Fenix L2T 2.0, starting up problem

jzmtl · Oct 26, 2007

Just got my L2T a couple of days ago, noticed something when I was playing with it.

When the light is in low mode and you switch it on, it seems for the first fraction of a second the light intensity is hi, then immediately switch to low, it's pretty hard to see, you need to look at the beam shot not relector to notice. Does anyone else notice this too? Or is it just my eyes playing tricks on me?

HorseFilms · Oct 26, 2007

Mine does that, but it's so fast that I hardly notice it. It doesn't bother me.

jzmtl · Oct 26, 2007

Okay, at least I know I'm not nuts.

It's a bit annoying thou, when I start in low mode there's a reason, and I'd prefer no bright flash first.

HorseFilms · Oct 26, 2007

jzmtl said:
Okay, at least I know I'm not nuts.

At least not when it comes to the startup flash.:thumbsup:

blademan · Oct 26, 2007

My L1-T v2 does this also. It's the same head so it makes sense.

swxb12 · Oct 26, 2007

The same flash problem occurs on my L2D head. It's been a complaint of quite a few owners, since it could compromise night-adapted eyes. Something with the design that Fenix needs to fix. Still on the backburner, I guess.

markfinn · Oct 26, 2007

My L2T v2.0 does the same (also thought about posting here...) but I found that it seems to be less when operating the light with (fresh charged) Eneloop NiMHs compared to Alkaline primary batteries.
Doesn't bother me anymore, it has no effect on my night vision since I feel that the low mode is already too bright. No light for reading a book in the bed

Besides that, I really like the throw & spill, it's very close to my P3DR100 except for a 'cooler' tint.

paulr · Oct 27, 2007

This is a well known glitch of multi-level fenix lights. The zebralight h50 also does it.

jzmtl · Oct 27, 2007

But my P3D doesn't seem to have it, maybe it's just the L heads.

ViReN · Oct 27, 2007

paulr said:
This is a well known glitch of multi-level fenix lights. The zebralight h50 also does it.

This occurs due to charging filter capacitor at the burst (first switching cycle)... initial transient wave settles down quickly to a low mode.

Oddjob · Oct 28, 2007

ViReN said:
This occurs due to charging filter capacitor at the burst (first switching cycle)... initial transient wave settles down quickly to a low mode.

Huh? :thinking:

Just kidding. I love hearing technical terms. And yes my L1T v2 does it as well.

asdalton · Oct 28, 2007

Oddjob said:
And yes my L1T v2 does it as well.

Mine too. But it's much harder to notice than with my L2D, where it is quite distracting.

Fenix L2T 2.0, starting up problem

jzmtl

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HorseFilms

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jzmtl

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HorseFilms

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blademan

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swxb12

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markfinn

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paulr

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jzmtl

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ViReN

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Oddjob

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asdalton

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