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Thread: Sofirn C01 for 2020

  1. #181

    Default Re: Sofirn C01 for 2020

    When you pull the one with the smaller ID over the light it stretches to become a thinner, less rotation resistant "gasket".
    I did that with some PKDL PL2 lights a couple years back and asked customers to give me feedback. All said they preferred the "put up a fight" feel over ease of activation. What I used (iirc) were 10mm x 1mm since I could not source oem o'rings without buying them in bulk so I went with 10's and 11's (again iirc) and the 10's stretched to become thinner, less rotation resistant.

    My brain did not think to call the ones with the C01 smaller or larger ID I guess. I also noticed a previous comment about rotating the pill out of the bezel is not an option with these since the pill is a push in type. Again I was thinking of the PL2 as that one the pill is mated to a threaded brass pill that rotates into the bezel and some early ones were rotated in too far.

    My next batch of Sophies should arrive any day. They were within an hour of me in a USPS warehouse last time I checked tracking. Perhaps a photo showing the o'ring on an orange head will show better than the blue one I have now. Shadow made it hard to see how it is thinner than on a Yuji or an E01.

    John 3:16

  2. #182
    Flashaholic* Tejasandre's Avatar
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    Default Re: Sofirn C01 for 2020

    I see it

  3. #183
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    Default Re: Sofirn C01 for 2020

    Byk, have you checked The O'ring Store LLC? They price and sell a few cents per piece.. Where ya get dinged is on shipping, they only offer FedEx,, no USPS

    As I remember the PL2 head oring = 1mm x 11 or 11.5mm. The stretching into the oring groove, that is hard to calculate how much twisty fit into body. Unless knowing exact size, ya have to buy a few sizes (0.5mm) up and down

    I looked for PL2 specs but could not find. Even sent PK a message on FB. He also probably couldn't find specs, or didn't care, never received an answer back so I set it aside

    Edit: appears The Oring Store has added USPS as an option, although not much savings, to my addy, over FedEx 2and day

    You can get 10 or 11mm in BunaN, FKM Viton (harder rubber) or Silicone color brick red, FDA approved for mouth carry
    Last edited by knucklegary; 12-04-2020 at 11:55 AM.

  4. #184
    Flashaholic* Timothybil's Avatar
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    Default Re: Sofirn C01 for 2020

    Quote Originally Posted by aginthelaw View Post
    I paid $9 for my C01rs. Anybody getting those models for $4?

    The $4 lights are the C01 single mode lights.
    Remember, Two is One, and One is None!.

  5. #185
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    Default Re: Sofirn C01 for 2020

    ^ Yup, and worth every penny

  6. #186

    Default Re: Sofirn C01 for 2020

    Looky what Santas helpers dropped off today.


    Whole buncha $4 Christmas presents.
    I ended up liking the orange one best.
    John 3:16

  7. #187
    *Flashaholic* Burgess's Avatar
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    Default Re: Sofirn C01 for 2020

    Thank you, KnuckleGary,
    for the tip about "The O-Ring Store LLC" !


    They have 1mm cross-section, and a number of
    ever-so-slightly LARGER cross-sections, also !


    So now we just need someone to determine
    the * IDEAL * size for these Sofirn flashlights.
    < hint hint >



    BTW --
    Which type of "rubber" would be the ULTIMATE for our needs ? ? ?
    ( gets a bit confusing for my feeble brain )


    https://www.theoringstore.com/store/...x&cPath=368_12

  8. #188

    Default Re: Sofirn C01 for 2020

    Quote Originally Posted by Burgess View Post
    now we just need someone to determine
    the * IDEAL * size for these Sofirn flashlights.
    < hint hint >
    I volunteer you :-)

    I measured the two O ring sizes I have received

    latest batch, O rings in clear bag
    1.5mm CS X 8.5mm ID (NBR) Buna-N 70 Duro Metric O-Ring

    previous, O ring bag has a red stripe
    1.5mm CS X 9.5mm ID (NBR) Buna-N 70 Duro Metric O-Ring

    I leave it up to you to order and test, and develop your own opinion of which O ring size and feel you prefer.
    Last edited by jon_slider; 12-06-2020 at 02:43 PM.

  9. #189
    Flashaholic* Katherine Alicia's Avatar
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    Default Re: Sofirn C01 for 2020

    Hmm... I see what folks mean about the 670nm beam being a bit, what`s the word... Miserable! LOL
    I just bought mine as a color reference anyway, I don`t think I`d like it as a flashlight though.

  10. #190
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    Default Re: Sofirn C01 for 2020

    I prefer the stiffer fit myself..
    The Viton rubber composition being harder material may also effect twisting action within same size ID

    I need orings for my PK PL2.. I'll try out a few sizes for C01, C01S, etc.. Won't be ordering for a few weeks tho

  11. #191

    Default Re: Sofirn C01 for 2020

    Quote Originally Posted by Katherine Alicia View Post
    Hmm... I see what folks mean about the 670nm beam being a bit, what`s the word... Miserable! LOL
    I just bought mine as a color reference anyway, I don`t think I`d like it as a flashlight though.
    Completely agree...thought Id check it out but that beam is truly mangled! Glad I really dont have much use for red light!
    I only fear that if something happens to me, my wife will sell all my stuff for what I told her I paid for it.

  12. #192
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    Default Re: Sofirn C01 for 2020

    ^^ Do you think DC-fix will remedy the poor beam shape?

  13. #193
    Flashaholic* Katherine Alicia's Avatar
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    Default Re: Sofirn C01 for 2020

    Quote Originally Posted by knucklegary View Post
    ^^ Do you think DC-fix will remedy the poor beam shape?

    it probably would if there were somewhere to stick it too, but it`s a 5mm led at the bottom of an open cone

  14. #194
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    Default Re: Sofirn C01 for 2020

    Oops,, thought it has a lens like C01R
    How about the 3M scrub technique? I read about but never actually tried..

  15. #195
    Flashaholic* Katherine Alicia's Avatar
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    Default Re: Sofirn C01 for 2020

    I know some have sanded theirs and it does work a little but at the cost of lumens, and this light doesn`t really have the lumens to spare! LOL
    if I was going to use it as light, I`d probably try filling the cone with clear acrylic, if that didn`t work at least you now have a flat surface for your DC Fix

  16. #196
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    Default Re: Sofirn C01 for 2020

    Quote Originally Posted by Katherine Alicia View Post
    Hmm... I see what folks mean about the 670nm beam being a bit, what`s the word... Miserable! LOL
    My red C01's beam was also pretty bad, but polishing the LED and "reflector" removed most of the artifacts. I wasn't concerned about losing lumens since I wanted the output to be lower anyway. The beam will work when navigating the house at night.
    The hero is one who kindles a great light in the world, who sets up blazing torches in the dark streets of life for men to see by. - Felix Adler

  17. #197

    Default Re: Sofirn C01 for 2020

    Quote Originally Posted by Havok
    output drops from 0.4 lumens, to 0.2 lumens

    I consider the C01 670nm useless as a light
    but its a decent spare battery carrier. :-)

    if you want to try to diffuse the beam to hide the artifacts,
    imo scratch up only the LED, not the reflective cone

    otoh, with a C01 Sophia
    if you want to remove the hotspot and rely on the lens of the 5mm LED to give a nice even cone of light

    they, yes, make the reflective cone matte
    Last edited by jon_slider; 12-05-2020 at 01:40 PM.

  18. #198
    *Flashaholic* this_is_nascar's Avatar
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    Default Re: Sofirn C01 for 2020

    Quote Originally Posted by knucklegary View Post
    I prefer the stiffer fit myself..
    That's what she said.


    Sent from my moto g(7) power using Tapatalk
    ... it's not what you take when you leave this world behind you, It's what you leave behind you when you go.

  19. #199
    *Flashaholic* this_is_nascar's Avatar
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    Default Re: Sofirn C01 for 2020

    Quote Originally Posted by jon_slider View Post
    output drops from 0.4 lumens, to 0.2 lumens

    I consider the C01 670nm useless as a light
    but its a decent spare battery carrier. :-)

    if you want to try to diffuse the beam to hide the artifacts,
    imo scratch up only the LED, not the reflective cone

    otoh, with a C01 Sophia
    if you want to remove the hotspot and rely on the lens of the 5mm LED to give a nice even cone of light

    they, yes, make the reflective cone matte
    The only use this red led light has is for completing a collection, as far as I'm concerned.

    Sent from my moto g(7) power using Tapatalk
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  20. #200
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    Default Re: Sofirn C01 for 2020

    I received my order of every color body of the C01S along with the 3-mode 660nm red; I am extremely happy with them all.

    Now I'm wanting to order all the colors of the C01 along with the miserable 670nm single-mode red, only to complete the collection like nascar mentions.

  21. #201
    Flashaholic* Tejasandre's Avatar
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    Default Re: Sofirn C01 for 2020

    Mine are on the slow boat. Getting buyers remorse. Really like the co1ss. Thinking the co1 s will be drawer queens

  22. #202
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    Default Re: Sofirn C01 for 2020

    the 5mm Red beam is not what I like...


    so I diffused it with a film that I have...

    that's better...

    and the Sophia LED beam...

    acceptable but could be better, so...


    tested the output... a drop of less than 0.5 lumens on the Sophia C01 after sticking the film...


    this is not DC-fix, it's just a film I found at Ace H/W back in 2012... it let through more light than DC-Fix:


    Last edited by rookiedaddy; 12-06-2020 at 09:51 AM.
    changing sigline ...

  23. #203

    Default Re: Sofirn C01 for 2020

    Liking the film idea RD. Reverse-able is a good thing.

    Until I became a member of CPF I never knew the beam of my flashlight sucked.

    Now before joining I did have one called PT something or other from the checkout counter area of an auto parts store that was pretty bad. I called it the frozen fried egg beam because it was bright yellow in the center, a huge white ring of spill with a purple border.
    I sanded the lens with a Scotch Brite pad in a bunch of X's to give the beam a tic-tac-toe board look to go along with the ridiculous three color beam. It hangs in my bathroom to this day just in case power goes out and I did not have another one with me.
    John 3:16

  24. #204
    *Flashaholic* this_is_nascar's Avatar
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    Default Re: Sofirn C01 for 2020

    Quote Originally Posted by Tejasandre View Post
    Mine are on the slow boat. Getting buyers remorse. Really like the co1ss. Thinking the co1 s will be drawer queens
    They actually compliment each other. The C01 is comparable to the C01S on low as far as its ability to light a room, however the C01S is a thrower and the C01 is floodier spreader of light.


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  25. #205
    *Flashaholic* Burgess's Avatar
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    Default Re: Sofirn C01 for 2020

    I totally agree with NASCAR


    Love 'em Both !

  26. #206
    *Flashaholic* Burgess's Avatar
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    Default Re: Sofirn C01 for 2020

    Now --


    If somebody could just produce an AA cell body for these Little Gems !



    _

  27. #207
    Flashaholic* Katherine Alicia's Avatar
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    Default Re: Sofirn C01 for 2020

    Quote Originally Posted by Burgess View Post
    Now --


    If somebody could just produce an AA cell body for these Little Gems !





    _
    100%
    I`v already sugested it on BLF but it kinda gets lost amongst all the other posts, though it did have some support while it was on that page.

  28. #208
    *Flashaholic* gunga's Avatar
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    Default Re: Sofirn C01 for 2020

    I think an AA body would be awesome!

  29. #209
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    Default Re: Sofirn C01 for 2020

    Yes, I would buy a complete collection in AA if they made them like these AAAs. Im very impressed.

  30. #210
    *Flashaholic* this_is_nascar's Avatar
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    Default Re: Sofirn C01 for 2020

    I remember when the 1xAA tube was released for the Arc AAA bezel. It was glorious.


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