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Thread: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

  1. #1

    Default Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    The Original Sofirn Intro Thread is here.

    I started this thread you are reading, for comparisons.
    Please share your thoughts on pros and cons of various AAA cockroach lights here in this thread.

    Here are some similarities and differences

    E01 uses AAA and has a Low CRI Cool White LED
    C01 uses AAA and has a High CRI Cool White LED, plus a Warm White High CRI LED option.

    E01 is potted
    C01 is potted

    E01 no pocket clip
    C01 yes pocket cllip

    E01 cost about $11
    C01 cost about $7

    E01 can be bought from USA stock and arrives within a week
    C01 comes from China stock, and takes weeks to arrive.

    E01 comes in several different colors
    C01 comes in Black with red and blue expected soon.

    E01 survives getting tossed off a building
    C01 survives getting tossed off a building

    E01 survives under water
    C01 survives under water

    E01 has no magnet hole
    C01 does have a magnet hole

    E01 has not trit slot
    C01 does have a trit slot

    E01 is a single mode twisty
    C01 is a single mode twisty

    E01 head works on C01 body
    C01 head works on E01 body

    keep it friendly :-)
    Last edited by jon_slider; 12-08-2018 at 12:50 PM.

  2. #2
    Flashaholic* LeanBurn's Avatar
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    Question Re: Compare and Contrast the Sofirn C01 to the Fenix E01



    So for those that also own both the E01...how close is the C01 for build quality etc? Tube thickness, o ring, threads, etc?
    Last edited by LeanBurn; 12-07-2018 at 12:34 PM.
    THRUNITE > Archer1AV2|TiS|TH20|TN4A Hi...all in neutral white
    YUJILEDS BC Series 95+ HiCRI
    > Sofirn C01|Dorcy Penlight (Yuji modded)
    XTARVC4, LCTBC500, Amaloops, 1999 MAG-LITE 2D Incandescent(glass lens) Petzl Tikkina 80L ..... E01

  3. #3
    Flashaholic* Grijon's Avatar
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    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01

    Thanks for the thread, jon! Great start! I'm looking forward to more.

  4. #4

    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01

    Here are some comments from other threads, that speak to comparing and contrasting the E01 and C01

    https://www.candlepowerforums.com/vb...=1#post5262905
    Quote Originally Posted by Hondo View Post
    I am very impressed with this light so far. Finish and function are superb, silky smooth threads, but firm enough not to turn on its own.
    ...
    I can say already that I like it better than the E01, both for the lower power consumption, and even more for the high CRI and more useful up-close beam profile.
    so far so good :-)

    Quote Originally Posted by Random Dan View Post
    The quality on both appears to be excellent with no detectable flaws. ...Perfect amount of light for within 5-10ft in darkness. The little bits of potting I can see appear to be solid. The pocket clip is working well so far.

    Overall I would say it's a winner! Several good improvements on the classic ARC/E01 design.
    ---
    2 sofirn 1 Arc: (image hosted on my own photo account, not a hotlink)
    Quote Originally Posted by pc_light

    Quote Originally Posted by slowtechstef
    Quote Originally Posted by Geuzzz
    I used the light for a couple of days now. Here is my opinion.

    The light feels sturdy with nice anodising that seems to hold up well.

    Gave it to the kids a few times and its nice to know that it is completely safe. They even took it to bath so water resistance is also ok.

    The tint (3200k) is very nice (if you like it also, you should really try the 3000k sst-20 for even nicer tint).

    The lumen level is a perfect mix between a moonlight mode and a lowlow, if this makes sense. It can be used well as a bedside light.

    What I don't like is that the twisting action on mine is a little stiff. It takes quite some effort to rotate.

    I don't know if I am going to use it a lot, because I have other lights with equally good tint and color temperature and they have more modes for a lower moonlight mode and a higher mode if needed.

    All in all I am very happy with the purchase. Thank all involved for making this possible.
    Geuzz: thanks for sharing your experience and opinion with us :THUMBS-UP:

    Concerning the twisting action: we got what we asked for, as the threads are an exact copy of the Fenix E01 (C01 and E01 can 'lego'), the twist resistance of the C01 is a deliberate design decision and carry-over from the Fenix E01.

    After reading your post I just tested the twisting resistance of my golden and purple Fenix E01. The golden one E01 is even more stiff than all my four Sofirn C01s, while my purple Fenix E01 is slightly less stiff. Strangely enough, the golden E01 -is- was one of my most used lights (I carried it for over a year on my keychain, untill I received my Sofirn C01s). I can still operate all of them single-handedly, so I do not perceive any stiffness as a problem. Like djozz said, if the twisting action is too smooth, chances are higher to loose the head during everydaycarry. Perhaps also the length of the battery might be a factor in "stiffness" of the twist action.

    Funny to read your kids took it to bath; my kids did as well, and they really enjoyed its waterproofness. ^
    I have other lights where my kids did the same, which lead them to observe: "Look dad, there are coming bubbles out this flashlight." :FACEPALM:
    Quote Originally Posted by djozz
    The output is low and the beam is flood, this light has no punch whatsoever. I kept it in my pocket for weeks together with an E2L triple shorty EDC (also 3000K extreme CRI but 1000+ lumen at max) and in no circumstance that I needed some light for a moment I decided to pick the C01.
    But the C01 has already been a nightstand light for my son when we stayed in a hotel (he’s afraid for total dark), doubling as his donald duck reading light in the morning when I was still asleep. For the nightstand duty the diffuser of the Lumintop Worm worked quite perfectly (btw, Barry will try to source a suitable diffuser for the C01 for selling separately). I check the mailbox with the C01 as well. And there’s always the people who want a light that always works when everything else fails, the C01 may prove to be that light over time. At least Sofirn has tried to copy that feature from the Fenix E01. The 95CRI may not be needed for this function but it does not hurt either :-) . I can confirm that the 5 to 7 lumen flood of the C01 will sufficienty light your path in the woods when it is totally dark (it will not spot the bear in the distance :P ).
    Quote Originally Posted by slowtechstef
    News from Sofirn:
    ... the potting material is the same of Fenix E01 but I don’t know the brand.

    and a comment about thread stiffness:
    "the twist resistance of the C01 is a deliberate design decision and carry-over from the Fenix E01"

    I think there is a slight misunderstanding about twist resistance, and threads

    the stiffness of a twisty, and the amount of play in the threads is controlled by the O Ring
    if you remove the O ring from a Fenix E01 (or any other twisty), you will see what I mean..
    without the O ring there is slop in the threads, and very little twisting resistance
    Last edited by jon_slider; 12-07-2018 at 09:15 PM.

  5. #5

    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01

    Great thread, thanks jon_slider!

    One important distinction not mentioned in the opening post is the much lower current draw of the Sofirn C01 versus the (newer) Fenix E01, at >0.9 Volt or so. I encourage everyone to measure the current draw of their C01 and E01 with a DMM with different types of batteries with different open circuit voltages. The lower current draw of the C01 versus E01 is significant because it means longer regulated runtime, especially with NiMH batteries.

    My unsubstantiated feeling is that on depleted batteries (<0.9 Volt) runtime is equivalent between E01 and C01 with their similarly reduced current draw in 'moonlight mode' (somewhere around 10-15 mA or so). Please only use alkaline cells when on dim 'battery vampire mode' with your E01/C01 as deep discharging is really effective in killing your NiMHs.
    One other remark: in my opinion the Arc AAA is still the best looking of the whole bunch with its clean design

    Finally, I think it would be great if someone could compare the Sofirn C01 with a Maglite Marquis/Solitaire, which I believe was the first truly popular 1AAA flashlight; and in 2018 it is still available in the original 1988 incandescant version (2 lumens, 3.5 hours runtime on AAA alkaline, 7.5 USD, tailstand). Please correct me if I am wrong if there is another earlier 1AAA flashlight. So in my view the oldest flashlight DNA the C01 goes right back to the Solitaire. That said, perhaps it is an idea the broaden the thread title to "Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights"?

  6. #6

    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    Quote Originally Posted by slowtechstef View Post
    One important distinction not mentioned in the opening post is the much lower current draw of the Sofirn C01 versus the (newer) Fenix E01
    ...
    Please only use alkaline cells when on dim 'battery vampire mode' with your E01/C01
    Great post, thanks for all your input.. title expanded, good suggestion :-)

  7. #7

    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    I don't even have the stinkin' thing yet but all this C01, E01, Solitaire, and the like talk has me back on the AAA wagon in a major way. Little lights are fun! I have more AAA Eneloops on the way to try to keep up!

    EDIT: I tend to agree with Slowtechstef when it comes to the Arc AAA design. I like the minimalist design although the E01 and its two flats have grown on me.
    Last edited by gurdygurds; 12-07-2018 at 06:15 PM.

  8. #8

    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01

    Quote Originally Posted by jon_slider View Post

    and a comment about thread stiffness:
    "the twist resistance of the C01 is a deliberate design decision and carry-over from the Fenix E01"

    I think there is a slight misunderstanding about twist resistance, and threads

    the stiffness of a twisty, and the amount of play in the threads is controlled by the O Ring
    if you remove the O ring from a Fenix E01 (or any other twisty), you will see what I mean..
    without the O ring there is slop in the threads, and very little twisting resistance
    Thanks for pointing this out! You are absolutely right: remove the O-ring from the C01 and there is indeed almost no twisting resistance left.
    I guess this also means that replacing the thick sturdy O-ring of the C01 with a thinner version, that would reduce the force needed to twist the light on and off.

  9. #9
    Flashaholic* Crazyeddiethefirst's Avatar
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    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    I am still waiting for my C01’s to be delivered. I did want to point out that the E01 is now discontinued “officially” per Fenix. Many places still have E01’s in stock. Fenix has said a replacement is in the works but no details yet. I have always had great respect for the E01’s runtime and durability....

  10. #10

    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    E01 was my first keychain AAA

    Ive become a total tint and CRI snob since then.
    So the C01 is perfect for me, to give as a gift to newbies that I inflict my High CRI seminar on. (thats only partly a joke)

    I do believe that Sofirn C01 is Standing on the Shoulders of Giants, whose
    Ancestral DNA includes

    Arc, McGizmo Sapphire, Fenix E01, Skylumen E01 w Yuji mod.. ...

    can you think of other members of the C01 Family Tree?
    Sapphire and the Skylumen both offer Yujis.
    Sofirn C01 comes from excellent lineage.
    Last edited by jon_slider; 12-07-2018 at 09:59 PM.

  11. #11
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    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    Quote Originally Posted by jon_slider View Post
    E01 was my first keychain AAA

    Ive become a total tint and CRI snob since then.
    So the C01 is perfect for me, to give as a gift to newbies that I inflict my High CRI seminar on. (thats only partly a joke)

    I do believe that Sofirn C01 is Standing on the Shoulders of Giants, whose
    Ancestral DNA includes

    Arc, McGizmo Sapphire, Fenix E01, Skylumen E01 w Yuji mod.. ...

    can you think of other members of the C01 Family Tree?
    Sapphire and the Skylumen both offer Yujis.
    Sofirn C01 comes from excellent lineage.
    Peak Matterhorn (I think that was the AAA one?) You could also include the Fenix E0 to that list.
    What kind of self respecting nocturnal being cannot see in the dark, one way or another?

  12. #12
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    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01

    Quote Originally Posted by slowtechstef View Post
    Thanks for pointing this out! You are absolutely right: remove the O-ring from the C01 and there is indeed almost no twisting resistance left.
    I guess this also means that replacing the thick sturdy O-ring of the C01 with a thinner version, that would reduce the force needed to twist the light on and off.
    See if lubing under the o-ring helps at all, it really has helped me with some of my more stubborn to twist lights.
    What kind of self respecting nocturnal being cannot see in the dark, one way or another?

  13. #13
    Flashaholic* LeanBurn's Avatar
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    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01

    For me, I will want the high resistance thicker o-ring. I like that it won't twist on or off in pocket or while I am moving around with it in my hands etc.
    THRUNITE > Archer1AV2|TiS|TH20|TN4A Hi...all in neutral white
    YUJILEDS BC Series 95+ HiCRI
    > Sofirn C01|Dorcy Penlight (Yuji modded)
    XTARVC4, LCTBC500, Amaloops, 1999 MAG-LITE 2D Incandescent(glass lens) Petzl Tikkina 80L ..... E01

  14. #14

    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01

    Quote Originally Posted by defloyd77 View Post
    Peak Matterhorn (I think that was the AAA one?) You could also include the Fenix E0 to that list.
    If anyone owns any of those lights, please feel free to post photos, especially side by side with the C01, and with beamshots :-)

    My Maratac twisties arrive with such tight Orings when new, that I cannot operate the light one handed. A bit of lube and a some repetitive twisting, will soon reduce the resistance and make the light easy enough to operate one handed, but still secure enough not to rotate in pocket.

    Note that all twisties have some play in the threads, which creates a "feature" or a "bug" that will allow the light to be turned on by pressing on the head, if it has not been unscrewed enough.. This leads to false activation in pocket.. The cure is to unscrew a bit more.

    When I want off, I mean OFF, not maybe.
    Last edited by jon_slider; 12-08-2018 at 01:22 PM.

  15. #15

    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01

    Quote Originally Posted by slowtechstef View Post

    ...One important distinction not mentioned in the opening post is the much lower current draw of the Sofirn C01 versus the (newer) Fenix E01, at >0.9 Volt or so. I encourage everyone to measure the current draw of their C01 and E01 with a DMM with different types of batteries with different open circuit voltages....

    My unsubstantiated feeling is that on depleted batteries (<0.9 Volt) runtime is equivalent between E01 and C01 with their similarly reduced current draw in 'moonlight mode' (somewhere around 10-15 mA or so). ...
    Thanks for the info on the moonlight current draw, slowtechstef!

    I do not have a DMM to do the measurements, so I would love to know what you found on the full-brightness mode (sc. above 0.9v) for the comparison btw. Sofirn C01 and E01.

    I am glad to hear that the Sofirn is dimmer--for a light like this, I think dimmer and longer-lasting is a good bargain.

    ("She took another sip from her glass, looked me in the eyes, and said, "I like my men the way I like my EDC lights: dim, and long-lasting." ")

    I got my Sofirn C01 yesterday (ordered it around Nov.10), and I like it. So far as I can see, it has all of the virtues of the E01 plus a better tint (much better) and a better tail-end. Not only does it have the options for magnet and trit vial, but it does a more stable tail-stand. Also, the reflector *seems* to do a bit more focusing than the E01 reflector does? Hard to compare, but that would explain the slight hot-spot that has been reported with the new Sofirn.

    Some time ago I modded two Gerber UI's with Yujis, one of them a 3200 and one a 5600. This Sofirn is rated at 5600, but looks *slightly* cooler than my cooler Gerber. Maybe just a matter of drive current? But the visible brightness is quite comparable, and I doubt that the Sofirn is driving it *harder* than the Gerber is. (Again, no DMM, so no can check.)

    Personally -- and this is very much a matter of taste -- I don't think the cool Yuji is as delicious and special as the warm Yuji. It's a good tint, and a good CRI, but it does not give me the pure *pleasure* I get from the 3200 Yuji. That just makes everything look better, richer, more luminous, more deeply saturated in color. Of course, you do pay a penalty in output--I'd guess the 3200 is about 20% dimmer.

    I have another pair of Sofirns coming from a second order, one of each tint. I suspect I'll use the warm tint more often, and keep the cool tints as back-ups in emergency kits.

  16. #16
    *Flashaholic* this_is_nascar's Avatar
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    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    Quote Originally Posted by jon_slider View Post
    The Original Sofirn Intro Thread is here.

    I started this thread you are reading, for comparisons.
    Please share your thoughts on pros and cons of various AAA cockroach lights here in this thread.

    Here are some similarities and differences

    E01 uses AAA and has a Low CRI Cool White LED
    C01 uses AAA and has a High CRI Cool White LED, plus a Warm White High CRI LED option.

    E01 is potted
    C01 is potted

    E01 no pocket clip
    C01 yes pocket cllip

    E01 cost about $11
    C01 cost about $7

    E01 can be bought from USA stock and arrives within a week
    C01 comes from China stock, and takes weeks to arrive.

    E01 comes in several different colors
    C01 comes in Black with red and blue expected soon.

    E01 survives getting tossed off a building
    C01 survives getting tossed off a building

    E01 survives under water
    C01 survives under water

    E01 has no magnet hole
    C01 does have a magnet hole

    E01 has not trit slot
    C01 does have a trit slot

    E01 is a single mode twisty
    C01 is a single mode twisty

    E01 head works on C01 body
    C01 head works on E01 body

    keep it friendly :-)
    E01 has a history and proven track record of reliability, durability and performance.

    C01 does not.
    ... it's not what you take when you leave this world behind you, It's what you leave behind you when you go.

  17. #17
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    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    Quote Originally Posted by this_is_nascar View Post
    E01 has a history and proven track record of reliability, durability and performance.

    C01 does not.
    *Yet.
    History has to start somewhere.
    What kind of self respecting nocturnal being cannot see in the dark, one way or another?

  18. #18

    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    well.. lots of happy people reporting lately

    there is one guy complaining about the anodizing perling off like paint, and that the clip is rusty.. but i dont believe him. He has posted no pics

    wear happens... it does not affect function

    Quote Originally Posted by nbp View Post
    My first E01, ordered when they were just announced a decade ago. Not sure how well the wear shows on the pics, but it did a lot of keychain and pocket duty and has been dropped countless times.

    Quote Originally Posted by gurdygurds View Post
    Well......I got bored. And.....I had access to sandpaper...
    and there is some talk about the contact area being smaller on the CO1, but no reports of failures.
    E01 left, C01 right
    Last edited by jon_slider; 12-10-2018 at 03:41 PM.

  19. #19

    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    Received my 2 Sofirn today

    First impressions
    Sofirn tailstands more easily, Fenix throws more.

    weight w no battery and no clip
    Sofirn 14.2 grams
    Fenix 13.3 grams

    The lumens measurements were all done using the same Lithium Primary, in the Fenix body, I just changed the heads for the lumens tests.






    in this next photo you can get some idea that the Fenix has more throw


    Lumens
    Sofirn C01 3200k 6.1 Lumens
    Sofirn C01 5600k 9 lumens
    Fenix E01 6000k 10.2 lumens

    The beam on the Fenix is smaller, brighter, throws more and has a more concentrated hotspot.
    Fenix has blue tinted hotspot
    5600k Sofirn looks white and very floody, almost no hotspot
    3200, Sofirn looks slightly orange and very floody, almost no hotspot



    it is 10 am by a window on an overcast day. I cannot see the beam of the sofirns on the ceiling, only the blue hotspot of the fenix is visible.


    the 5600k sofirn has the most “natural” tint


    another view of the beam shapes and hotspots





    Test of looking under the bed, during the day, when my brain is White Balanced to Daylight.
    The 5600k Yuji is my favorite. The Fenix blue tint and hotspot bothers me. The warm Yuji is too dim and warm, at this time of day.

    More tests to follow tonight when I wake for the bathroom.. I suspect the warm Yuji will prevail in that application, but will update after real world testing.

  20. #20

    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    Quote Originally Posted by jon_slider View Post
    Received my 2 Sofirn today
    ...
    Lumens
    Sofirn C01 3200k 6.1 Lumens
    Sofirn C01 5600k 9 lumens
    Fenix E01 6000k 10.2 lumens
    ....
    Okay, the 10% drop down from the E01 to the C01 5600k is compatible with what I am seeing. Roughly the same, but the Fenix definitely brighter.

    But the 33% penalty in moving from the 5600k to the 3200k -- wow! That is quite a drop!

    (or the 50% bonus in moving from the 3200k to the 5600k, if you're a glass-half-full kind of person).

    I don't have my 3200k yet so I cannot confirm or deny.

    But I do have a pair of Gerber Infinity Ultras that I modded, one with a 5600k Yuji and the other with a 3200k Yuji. And I would not have *said* that there was that much of a drop off in output from the cool to the warm.

    On the other hand, I have never done any actual measurement, even via light-meter (much less integrating sphere), so my sense of their outputs is entirely impressionistic. And given how very different the *quality* of the light is, and the aesthetic experience of the light is, it is certainly possible that there is a 33% drop in output and I simply have not realized it.

    Thanks for all of the measurements and photos, Jon! I am going to predict that come night-time, when your eyes rebalance, you are going to appreciate that 3200k a lot more. Wait till it turns all of your pastels into saturated jewel-tones. It's pretty magic.

  21. #21

    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    Quote Originally Posted by lampeDépêche View Post
    50% ... from the 3200k to the 5600k
    correct
    our eyes are not very sensitive to differences in lumens
    HDS uses a ~44% increase between each of the 24 steps (one of the levels goes from 4.6 lumens to 6.6 lumens on my meter, for my Rotary)
    that percent increase is required to "notice" the change from one level to the next

    Also not only differences in color temperature, but also differences in hotspot focus, add to the confusion our brain has to sort through.. for example comparing the Fenix beam to the Yuji beams

    disclaimer, my light meter is just a homebrew affair.. it tends to read about 15% low, but you can rely on the numbers I posted, as directly comparable, since they were on the same meter. There are also small differences in lumens, based on which battery I use, which is why I decided to use the same battery for the comparisons.

    Im very happy to have both Yuji LEDs, and very happy not to use the angry blue Fenix.. but no offense to anyone that is happy with their Fenix.. when a light is needed, any light is better than no light.


    Im pretty much done with the purple tinted Fenix after this pic.. but in parting I will say, it throws much farther than the Yuji LEDs..
    otoh, the evenly floody Yuji beam is fantastic as a reading light or arms reach headlamp. I prefer the 3200k Yuji after dark, and I prefer the 5600k Yuji when my brain is whitebalanced to daylight.

    Hotspot overexposes part of the pic:


    Floody even beam:


    Gotta Love the Warm Yuji when its time to get mellow:
    Last edited by jon_slider; 12-10-2018 at 10:43 PM.

  22. #22
    Enlightened
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    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    damn I knew I should have bought a 5600K as well. for close up work it is amazing compared to the E01. I think I will still really like the warm but that last pic really shows what the 5600 is capable of!!

    thanx for taking the time to putting up such an informative entertaining post

  23. #23

    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    Jon, those three photos of the sunburst tie-die quilt are perfect. The most useful and accurate depiction of the differences between the three beams that I could imagine.

    That E01 beam -- it's ugly, it washes out the colors, and it does not even illuminate the entire quilt. But it has more throw, that's for sure! If you need to deal with things 10-15 meters (30 - 50 feet) away from you, and you don't care about color-fidelity or peripheral vision, then it is the best choice.

    The Yuji beams are just beautiful. Smooth, even, lustrous and flattering to the colors. If you are doing a photo-shoot and you want your product to look good, this is the light to use. Your food will look more delicious, your artwork will look more beautiful, your human model will look more alive and vibrant.

    Even in these two pics I have a preference for the warmer color, but the cooler tint is very nice, too, and perhaps gives slightly better articulation to the green-blue-purple band on the upper-right.

    Honestly, this is an amazingly good record of what my eyes see in real life. Now you have it, folks: here's why you buy a light with a Yuji emitter in it.

  24. #24

    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    Quote Originally Posted by Warmcopper123 View Post
    thanx for taking the time to putting up such an informative entertaining post
    Quote Originally Posted by lampeDépêche View Post
    If you are doing a photo-shoot and you want your product to look good, this is the light to use. Your food will look more delicious, your artwork will look more beautiful, your human model will look more alive and vibrant. .
    thank you both for the very kind words of support

    the versatility of having Both Color Temperatures is Vantastic!;-)

    fwiw, the inside of my Van has lots of places to stick a magnet, and I keep several in different spots. This allows me to place a Yuji, and aim it as needed, without having to permanently attach a magnet to the light itself.

    These Yujis are perfect for close range applications.

  25. #25
    Flashaholic* LeanBurn's Avatar
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    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    It is amazing to me that the C01 in both tints 3200K and 5600K have the same CRI. They are very different to me. Very fascinating indeed.

    People often associate CRI = "rendering a color in its most true shade". When you have two different tints having the same CRI, yet colors look so slightly different. The human eye is so complex and wonderful that something as simple as a green leaf to 'person A' could look different than how 'person B' processes it.

    The uniqueness only the LED brings to us. We would not normally see this as the incandescent bulb only really has one small tint temperature range determined by how hot the wire gets.
    THRUNITE > Archer1AV2|TiS|TH20|TN4A Hi...all in neutral white
    YUJILEDS BC Series 95+ HiCRI
    > Sofirn C01|Dorcy Penlight (Yuji modded)
    XTARVC4, LCTBC500, Amaloops, 1999 MAG-LITE 2D Incandescent(glass lens) Petzl Tikkina 80L ..... E01

  26. #26
    Flashaholic* Timothybil's Avatar
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    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    Actually, if you look at the spec sheet, the CRIs are close, but not identical, IIRC. But when both are above 90, the difference in CCT probably has a greater effect than any difference in CRI
    Remember, Two is One, and One is None!.

  27. #27
    Flashaholic*
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    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    CRI is determined by how well a light source of a particular color temperature renders colors compared to an ideal light source of the same color temperature. This is why you can have two LEDs with completely different color temperatures both having a high CRI rating.

  28. #28
    *Flashaholic* this_is_nascar's Avatar
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    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    Can someone post a physical size comparison between the two lights please? I'm interested in length and thickness.
    ... it's not what you take when you leave this world behind you, It's what you leave behind you when you go.

  29. #29

    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    Quote Originally Posted by this_is_nascar View Post
    Can someone post a physical size comparison between the two lights please? I'm interested in length and thickness.
    Lengths are almost identical (71.1 vs 71mm) probably just a rounding error.
    Not sure about thickness but read heads are interchangeable.

  30. #30
    Flashaholic*
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    Default Re: Compare and Contrast the Sofirn C01 to the Fenix E01 and similar flashlights

    Quote Originally Posted by this_is_nascar View Post
    Can someone post a physical size comparison between the two lights please? I'm interested in length and thickness.
    Jon_slider posted this in post 19

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