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Thread: NiteCore Defender Infinity: shipping vs pre-production (Olight T15 Q5 added)

  1. #1

    Exclamation NiteCore Defender Infinity: shipping vs pre-production (Olight T15 Q5 added)

    REVIEWER’S NOTE: This is a two-part review – the first part is a build comparison of the shipping version of the EDGETAC NiteCore Defender Infinity with the pre-production version I reviewed previously. The Second part is a detailed comparison of both lights to other lights (updated from my pre-production review). Both NiteCore lights were provided free of charge by EDGETAC for review.

    To see comparisons to a wider range of 1AA lights, please see my new:
    Multi-stage 1AA Review - Part III: Runtimes, beamshots & more!


    UPDATE 1/9/08: Added Olight T15 Q5 to the runtime comparisons in Part II.

    PART I: Shipping vs. Pre-production Build Comparison



    As you can see, the lights have the same dimensions. The shipping version has a slightly darker anodized finish, with identifying labels all around the light. All parts are interchangeable between the two lights.

    Here’s what came in the package (Shipping first, Pre-Production second)




    The Shipping version comes in a nice box with foam insulation and warranty card, manual, tactical lanyard, and spare parts. Quality of the lanyard is similar to my pre-production version. Here are a few other views of light (again, Shipping first followed by Pre-production).







    Build quality seems roughly identical between the lights, although the contact disc in the head is clearly different. The Shipping version is slightly stiffer when tightening the head the last couple of turns on the body, which seems to be due to a slightly wider o-ring on the shipping version. It doesn’t affect function in my case.

    Both lights shipped quite “dry” – little or no lube on the threads and o-rings. I always add a little nyogel to the o-rings, but be careful in lubing the threads in the head. I experienced mode switching errors when I recently tried a little nyogel 760G lube on the threads on my pre-production version (which thankfully disappeared once I thoroughly cleaned it off). Regular thread cleaning with deoxit might be the best course of action.

    Feature set is the same for both lights, although switching time has been reduced from 1 sec to 0.5 sec (i.e. how long you have to perform a loosen/tighten switch of the head to change modes). If you are too slow on the switch, the light will simply move between max and user defined modes. See below for a greater description of the interface.



    Ramping time is similar between the lights, maybe ~1 sec faster on the Shipping version (again, see further below for a discussion in comparison to the Liteflux)

    Comparison of beamshots (Shipping on left, Pre-production on right, both on AW 14500)






    Beam profiles are similar, both a premium white tint, although the dark ring around the corona is slightly more pronounced on my Shipping version compared to the Pre-production sample. This is likely due to a slight height difference of the pill inside the head.

    Regulated overall output and runtimes are similar, but there is a difference in initial output between the Pre-Production and Shipping versions (see comparison runtimes below for greater discussion of output/runtime differences).

    PART II: Comparison of the NiteCores to other lights

    For this part of the review, the Shipping and Pre-production NiteCores will be compared to the Fenix L1DCE Q5 and Liteflux LF5. The Olight T15 (Q5) has just been added to the output/runtime graphs.

    The contenders:

    From left to right: Pre-Production Nitecore Defender Infinity, Fenix L1DCE Q5, Liteflux LF5. Not shown is the Olight T15 Q5



    Beamshots:

    On 2650mAh NiMH (on Max/Turbo/100%) at ~0.5m from a white wall.







    The camera is accentuating the tint differences a bit. The Nitecore Q5 is a premium white, slightly on the cool side. The L1D Q5 is also a premium tint, slightly warm. The LF5 uses a SSC emitter, and is definitely cooler. The Nitecore has a slightly smaller overall spillbeam than the Fenix, but still larger than the Liteflux.

    Method: All my output numbers are relative for my home-made light box setup, a la Quickbeam's FR.com method. My relative overall output numbers are typically similar to his, although generally a little lower. You can directly compare all my review graphs - i.e. an output value of "10" in one graph is the same as "10" in another.

    Throw values are the square-root of lux measurements taken at 1m using a light meter.

    Summary Chart


    Note: The chart has only the Pre-production NiteCore at the moment - I will update the chart with the Shipping results shortly.

    For more detailed comparisons, please scroll down to the runtimes below. For additional comparison purposes, here are the results of a "ceiling-bounce" test in a small windowless room, with my light meter on the floor near the base of the light (which is shining upward in candle-mode), all on 2650mAh NiMH:

    L1DCE Q5: 4.1 lux
    L2DCE Q5: 7.1 lux
    Nitecore (Pre-Production): 5.1 lux

    To see more about the Fenix L2DCE Q5, please see my detailed review here:
    Fenix L2D Q5 vs R100, R80, Q2, P4 Comparison Review: RUNTIMES+

    Runtimes:

    Note: The NiteCore does NOT have defined medium/low modes – rather, the light uses a continuously variable digitally-controlled brightness level. For the purposes of this review, I’ve manually set the Pre-Production Nitecore to ~85%, ~50% and ~15% max output in order to compare to the Fenix and Liteflux lights. These levels are completely arbitrary on my part, and are simply to facilitate comparison between the lights.

    Turbo/Max/100% mode on 2650mAh NiMH


    Turbo/Max/100% mode on eneloops (~2100mAh)


    Turbo/Max/100% mode on Energizer e2 lithium (L91)


    Turbo/Max/100% mode on Duracell Alkaline


    “Medium” modes on Duracell Alkaline


    “Low” modes on Duracell Alkaline


    Hi mode on AW protected 14500


    Medium modes on AW protected 14500


    Output/runtime observations:

    • The Shipping Pre-Production versions both share the same regulated output level and runtime, but the Pre-Production NiteCore had a 5-10 min period of up to 10% brighter output initially, before settling down to the regulated level. The Shipping version is missing this initial ~10% increase in output.
    • The Nitecores are the brightest 1AA light on regular batteries (NiMH and alkaline) that I’ve tested to date.
    • Good output on 14500 on Hi (slightly higher than NiMH), but not as bright as some of the competition (this is intentional on EDGETAC’s part, see discussion further below).
    • Pre-Production NiteCore runtime on NiMH at ~85% max output on Turbo graph was done to allow direct comparison to Fenix L1DCE Q5, matched for intial outut. As you can see, runtimes compare well.
    • Output on low self-discharge eneloops is similar to the higher capacity regular NiMHs, but with less runtime of course. The runtime difference between the Shipping and Pre-Production NiteCores is probably not significant, and just reflects a difference between individual batteries.
    • Good regulated performance on all modes on all battery types (you’ll notice the Fenix light looses the ability to run in low mode on 14500)
    • Alkaline runtimes are certainly acceptable. Although the specific lower mode I chose (i.e. ~15%) wasn't all that impressive, the light gets almost a full 2 days out of an alkaline on its lowest mode. Note that is also manages to drain a little more from the alkaline as the cell recovers (see the "blips" at the end of the runtime, which typically lasted at least half a minute each).
    • It’s clear that this light was designed to excel on rechargeables (NiMH and Li-ion). Also, the continuously variable brightness system is quite impressive, as it allows you to choose your own low mode across a continuous spectrum of outputs.
    • The light features a low battery warning on 14500. As you'll see on my graphs above, before dropping to zero output on my protected 14500, the light flickered for several minutes at a low intensity. Although this suggests you could safely use non-protected cells in the light, the manufacturer does not recommend this (and neither do I - I don't have any to test, for example).
    • Olight T15 Q5 output characteristics are similar to the Fenix L1D Q5 in my tests, but with just slightly lower output on Max modes with various batteries.


    General observations:

    Digital control:

    EDGE Tactical confirms that the light uses PWM, and the frequency is >1 kHz. I'm thinking it's likely considerably above, since I can measure it with my setup, or detect its presence by eye.

    Interface:

    The Nitecore allows you to set your low mode through a continuously variable brightness mechanism similar to Liteflux (but easier to use and more linear, as described below). The light is controlled by a forward clicky switch with momentary on, followed by a click to lock-on. Sequence is as follows:

    • With the head in the fully tightened position, momentary press or click on the switch and you get maximum brightness.
    • To get strobe, loosen and tighten the head within 0.5 sec on the Shipping version. Note that the light has a memory feature, so it will come back on in strobe if you click it off in that mode. To get back to max, loosen and tighten the head again.
    • To get to the user defined low mode, simply slightly loosen the head.
    • To change the low mode brightness level (i.e. set user defined level), tighten and then loosen the head within 0.5 sec, and the light will ramp up to the maximum brightness (takes about 7 secs on my samples to cover the min to max range, see below for a comparison). Switch the clicky off to save the output setting you desire (memory will have it come back on at that level). Loosen and tighten again to get the light to ramp back down to minimum.
    • When in user defined low mode, repeated tightening and loosening of the head will cause it to ramp up or down alternately. Again, simply click off to save the setting.

    And that’s it. The whole user interface is quite simple and straight-forward. I found it very intuitive. Note that my Pre-Production sample has a 1 sec switching time, but the Shipping version is 0.5 sec. This switching time means there is a slight lag if you want to simply go back into max output mode (i.e. it waits 0.5 sec after you tighten the head, in case you were in the middle of performing a switching cycle)

    Variable Output ramping time

    Below is a graph comparing my Pre-Production and Shipping NiteCores to the Liteflux LF5, which has a similar mechanism. For this test, I measured output at 1 sec intervals in my lightbox as the lights underwent a ramp down from max to min, on 14500.



    The NiteCore is far superior in my view since light brightness is adjusted in a visually linear manner over the 7-8 sec time frame. The Liteflux takes over twice as long, but has a curvilinear sequence that’s very difficult to gauge visually.

    To explain what I mean by that, consider if you wanted to manually reach quartile outputs of 75%, 50%, 25% and 0% with both lights. For NiteCore it takes approximate 2 secs to reach each level, and you can thus predict how long it will take you to get to any point. For the Liteflux, it will take about 7-8 secs to reach 75%, then 4-5 secs to reach 50%, about 3 secs to reach 25%, and 2 secs to reach 0%. This accelerating rate makes it hard to accurately gauge when the desired low mode will be reached (in fact, for the first few secs, you aren’t even sure if anything is happening!). Coupled with the multiple SW switching required by the Liteflux, the NiteCore is a model of simplicity in comparison.

    Build, Machining and Anodizing
    • Build quality is top-notch of both my samples, as described in Part I of this review
    • Machining is very smooth throughout, no rough edges - except for the raised portion around tailcap switch, which is slightly sharp (i.e. like the JetBeam lights).
    • Diamond pattern knurling throughout helps with grip, but like on most Chinese made lights it is not very aggressive. If you like the Surefire “rip a hole in your pant’s pocket lining” type of knurling, you will be disappointed here.
    • Crenelated bezel only has 3 points, making it less stable when standing head down.
    • Anti-roll feature provided by two recessed points on the upper body ring (marked with an “X”), but I found this to be only slightly effective. Since the lower ring (located on the tailcap) is continuous and the same height as the upper ring, the light still rolls with a slight “wobble” as it goes over the upper recessed X portions.
    • Anodizing is perfect on my samples, and is a very nice slate gray natural finish (HA-III). Seems very durable, as I accidentally dropped my Pre-Production sample on a tiled floor – no damage to the light, but it did chip my tiles!
    • The tailcap threads are anodized, so you can lock out the light by twisting the tailcap (alternatively, you could also turn the light on and off like a twisty this way, if you leave the clicky in the on position)
    • The lens supposedly has a “diamond coating” exterior and anti-reflective interior coating. Obviously, I have no way of testing that, but it looks clear and clean.


    Body/Head/Tailcap
    • The heads ares sealed in my samples, so I can’t access the circuitry. According to EDGE, the Pre-Production samples were sealed by hand, but a SMT technique is used in the mass production versions.
    • The tailcap was sealed on my Pre-production version. Haven't dissaembled the Shipping version yet, but EDGE has informed me that they were not planning to seal it.
    • The forward clicky is quite good, and reliable in my testing so far. There can sometimes be a slightly variable output (i.e. flicker) as you move further past the initial press - but you'd only notice it if you were looking for it. The effect is less noticeable on 14500, for some reason. It doesn't interfere with momentary signalling on my samples.
    • The tactical lanyard is made of nylon “parachute cord” and seems of very high quality. Note that it can't be used as wrist strap, but could be used as a thumb lanyward.


    Conclusion:
    • No bones about it, this is the brightest light on 1AA alkaline or NiMH that I have ever tested. Runtimes on Hi are very respectable on these battery types.
    • Output and runtime on 14500 is very good, with output somewhat brighter than regular batteries (although not the brightest I’ve seen – on 14500 Fenix and JetBeam models are brighter, but shorter lasting).
    • Regulated output on all battery types in all output modes is impressive (e.g. unlike Fenix on 14500, where you loose low modes until light drops to regulated level)
    • The user interface is a model of simplicity and ease of use. Strobe is neatly tucked away so you don’t need to see it.
    • The continuously variable brightness system is very well executed – better than the Liteflux in my opinion.
    • Build quality on my pre-production sample is very high quality, on par with the highest end Chinese-made lights in my collection.
    • The Shipping version has the same regulated output and runtime as the Pre-Production version, but is lacking the early ~10% increase in initial output during the first 5-10 mins of the runs shown in the Pre-Production version.


    I’ve been EDCing my Pre-Production NiteCore since I received it, and my opinion of this light has not changed. It has performed reliably and consistently, and will remain my EDC.
    Last edited by selfbuilt; 02-20-2008 at 10:43 AM. Reason: Added Energizer e2 lithium (L91)
    Full list of all my reviews: flashlightreviews.ca. Latest hobby: whiskyanalysis.com. Latest flashlight review: Thrunite TN42.
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  2. #2
    Flashaholic kilgor's Avatar
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Nice review. Thank you for your time!

  3. #3
    Flashaholic
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production


    It's not only great to experience this light through your eyes in these reviews, selfbuilt...but certainly a confidence builder to hear that it has become your EDC for the moment.

    Can't say or thank you enough once again.

  4. #4
    Flashaholic*
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Nice Review L1D CE Q5 is not shabby at all... it looks to be still the brightest on Turbo with 14500 Beam Quality of LF 5 is incomparable with the other two
    Last edited by ViReN; 01-01-2008 at 11:04 PM.

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    Flashaholic* Derek Dean's Avatar
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    WOW!!! That's an amazing amount of information, and I can't imagine how much time you must have spent putting it together for us, but thank you. Excellent beamshots and beautiful graphs that present a useful comparison between the lights in a clear and concise manner. Well done!

    After playing with the NDI for almost a week, I just today added it as my secondary EDC (with the NovaTac 120P being my primary EDC).

    My only concern with it at this point is how well my pockets will hold up to the slightly jagged edges of the bezel.... but only time will give me answers to that question.

    Thanks again selfbuilt for an excellent and thorough examination and comparison of these fine lights.

  6. #6
    Flashaholic* Lite_me's Avatar
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    What a great review with much attention to detail. I feel like I've already handled and tested my NDI before it has even arrived. Thanks selfbuilt!
    "People don't plan to fail, they fail to plan."

  7. #7

    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Glad you all are enjoying the review - I know it is a lot of text! But it wasn't as much work as you might think, as a lot of Part II was already done for the initial pre-production sample, and just needed to be updated.

    I'm just glad to see the Shipping version is a close match to the Pre-Production (except for lacking the initial ~10% increased brightness in the initial 5-10 min unregulated portion of the runtimes).

    Full list of all my reviews: flashlightreviews.ca. Latest hobby: whiskyanalysis.com. Latest flashlight review: Thrunite TN42.
    Gratefully accepting donations to my battery fund.

  8. #8

    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Selfbuilt,

    Great review as always! I'm waiting for my DI to come in the mail and can't wait.

  9. #9

    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Your review always helpful.
    Conception without Perception is empty.
    Perception without conception is blind. Immanuel Kant

  10. #10
    Flashaholic*
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Quote Originally Posted by Lite_me View Post
    What a great review with much attention to detail. I feel like I've already handled and tested my NDI before it has even arrived. Thanks selfbuilt!
    Same for me! My should be here in the next day or so, and now I'm ready to start using it without reading the manual!

    Psst... Hey Lite_me, I knew you'd probably be getting this light too! We seem to think alike...lol.
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  11. #11
    Enlightened
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    can't wait for mine either. ordered yesterday from tadgear but they haven't shipped it today. they seem a bit slow at getting things out.

  12. #12
    Flashaholic* woodrow's Avatar
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    selfbuilt,
    Another great review and incredible charts. Thanks again as always for all your hard work!
    "I only smile in the dark...my only comfort is the night gone black..."lyrics from Garbage

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    Flashaholic* Paul6ppca's Avatar
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Very nice review!
    My only comments to add are mine is pretty difficult to switch,due to thicker oring.Ive tried a couple other .So far nothing is significantly better.If anyone has an oring that will work easy/one hand let me know.The other comment ,comparing my liteflux to NDI is liteflux has a lower low.
    I really do love this light,it has been my new EDC and nightstand light!

  14. #14

    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Your reviews are always very informative, fair, and might I add, quite professional.

  15. #15

    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Excellent review indeed.
    A question about your runtime vs. output graphs. How are they generated? Do you have the light meter coupled to a data sampler/logger, or do you take manual readings at (what?) intervals?

  16. #16

    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Quote Originally Posted by Paul6ppca View Post
    The other comment ,comparing my liteflux to NDI is liteflux has a lower low.
    I really do love this light,it has been my new EDC and nightstand light!
    Quite true. If you look at my Low runtime graph, you'll see the LF5 gets ~0.3 on my output scale at its lowest setting (vs. just over 2 for the NiteCore). But the NiteCore is still my second lowest low among all my 1AA lights.

    Quote Originally Posted by EntropyQ3 View Post
    A question about your runtime vs. output graphs. How are they generated? Do you have the light meter coupled to a data sampler/logger, or do you take manual readings at (what?) intervals?
    I have a datalogger hooked up to a home-made lightbox/light sensor setup. Software on my computer collects the output readings at a regular time interval that you can set (I use once every 30 secs), and I then plot everything in Excel. I could use shorter time intervals, but I've noticed it doesn't make a difference to the graphs.

    My lightbox is a modified milk carton, and output readings are not entirely linear (especially at higher intensities, I've noted), but it is pretty consistent and very sensitive. I've adoped my method from Doug's approach on flashlightreviews.com. If you check out his site, you'll see a description on how to set it up.
    Last edited by selfbuilt; 01-03-2008 at 08:37 AM.
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    Flashaholic* Thujone's Avatar
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Thanks for your time putting this together, Highly impressed with 15 days of runtime on the low with a LF5, My LF5 is my nightstand light for bathroom trips... I should be able to make it for a year without a recharge in that capacity!
    01001100011010010111011001100101001000000110100101 10111000100000011101000110100001100101001000000110 0100011000010111001001101011
    00101100000011010000101001100001011011100110010000 10000001110100011010000110010100100000011101110110 1111011100100110110001100100
    00100000011010010111001100100000011101000110100001 11001001100101011000010111010001100101011011100110 1001011011100110011100101110


  18. #18
    Enlightened grinsekatz's Avatar
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Thanks a lot selfbuilt for this excellent review.
    It's a lot of work that you did there.
    If I not already had three NiteCores now I would buy them.

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    Flashaholic* Lite_me's Avatar
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Quote Originally Posted by FlashCrazy View Post
    Same for me! My should be here in the next day or so, and now I'm ready to start using it without reading the manual!

    Psst... Hey Lite_me, I knew you'd probably be getting this light too! We seem to think alike...lol.
    Hear-hear...
    "People don't plan to fail, they fail to plan."

  20. #20
    Flashaholic
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Thank you for that great review!

    Looks like I'll have to buy a few NiteCore Defenders for me, family, and friends.
    "I hate quotes. Tell me what you know." -Ralph Waldo Emmerson
    Greg at Brightguy.com rocks! Thanks for all the great service.

  21. #21
    gunga's Avatar
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Selfbuilt, your reviews are amazingly detailed, objective, and complete.

    Please keep up this amazing work as you are the new review King. I've read many others, but none as informative as yours.

    Kudos from a fellow Canuck!


  22. #22

    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Quote Originally Posted by gunga View Post
    Selfbuilt, your reviews are amazingly detailed, objective, and complete.

    Please keep up this amazing work as you are the new review King. I've read many others, but none as informative as yours.

    Kudos from a fellow Canuck!

    What he said. Except for the part about being a canuck.
    What a great day to be outside.

  23. #23
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Quote Originally Posted by LG&M View Post
    What he said. Except for the part about being a canuck.
    What he said. INCLUDING the part about being a canuck!

  24. #24

    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Thanks for all support everyone - it's appreciated! I'm just glad the shipping version is a pretty close match to the pre-production version.

    Quote Originally Posted by grinsekatz View Post
    If I not already had three NiteCores now I would buy them.
    I'm sure EDGETAC would be glad to hear that.
    Full list of all my reviews: flashlightreviews.ca. Latest hobby: whiskyanalysis.com. Latest flashlight review: Thrunite TN42.
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  25. #25
    Flashaholic* AFAustin's Avatar
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    selfbuilt,

    Let me add my thanks for all our detailed, objective, and highly informative work. You are a mainstay of CPF, and I hope you have the time and energy to keep it up for as long as it is rewarding to you.

    I have nothing of your technical expertise, but I know quality when I see it.

    Cheers,

    Andrew

  26. #26
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Thanks for the great review Selfbuilt!

    I am extremely overjoyed by being able to score one of the Pre-production models on the sellers forum! It has become my primary EDC with my P3D as a back-up.

    I am glad to see that Edge-Tac is trying (Key word - TRYING) to keep the same level of quality with the shipping model.

    I will be glad to know if Edge-Tac ever goes back to the amount of quality that they had with the Pre-production as far as construction but keeps the Laser engraving to a minimum. If they did this, I would be happy to buy several more of them. Sorry, I have a machinist's eye (I am one)

  27. #27
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    The one I bought off the B/S/T forum should be here any day... I can't wait! I find myself back here to drool over the pictures and info. I have to echo what everyone else is saying... your reviews are tops! All the info I'm looking for, excellent pictures, relevant comparisons, and informative beamshots! You've really set the standard... thanks selfbuilt!
    Last edited by FlashCrazy; 01-04-2008 at 11:47 PM.
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    Flashaholic Rob187's Avatar
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    What an awesome review. I am amazed at the effort that has gone into it. Reviews like this are the one of the best parts of CPF.

    Thanks selfbuilt.

  29. #29
    Flashaholic* Paul6ppca's Avatar
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    UPDATE on swithing modes

    I put on a thinner Oring(fom litefluxlf3)It is much easier to change modes and seems not to get hung up between max and user mode,So no intermittent stobe mode,so far. I have trie 2 different oring lubes,nyogel and the stuff from liteflux. Both were difficult to twist.

    If edgetac is reading It might be good to make with a thinner o ring on the head.It would be nice if you offered replacements of thinner ones.Avail in USA as to avoid shipping cost from oversaes to everonr that order one.

  30. #30
    Flashaholic kilgor's Avatar
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    Arkansas
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    Default Re: NiteCore Defender Infinity: shipping vs pre-production

    Quote Originally Posted by Paul6ppca View Post
    UPDATE on swithing modes

    I put on a thinner Oring(fom litefluxlf3)It is much easier to change modes and seems not to get hung up between max and user mode,So no intermittent stobe mode,so far. I have trie 2 different oring lubes,nyogel and the stuff from liteflux. Both were difficult to twist.

    If edgetac is reading It might be good to make with a thinner o ring on the head.It would be nice if you offered replacements of thinner ones.Avail in USA as to avoid shipping cost from oversaes to everonr that order one.
    I have two concerns about that:

    A looser head could make the head easier to inadvertently switch modes, blinding you if it goes from low to tactical (full power) at night.

    Your water resistance is decreased.

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