Closed the sale - The Defiant "C" flashlight.

[luvlites]

@Old-Lumens

Ok guys, here’s the second set of lux measurements.

I did readings myself, at 1 meter, 2 meters, 10 meters and 20 meters.

The lux meter I am using has three possible ranges

• lux at 1x

• lux at 10x

• lux at 100x

At 1 meter I had to use the lux at 100x setting to get and the reading was 905 I would think I would multiply that by 100, is that correct? If so, then the reading would be 90,500

At 2 meters I had to use the lux at 100x setting and the reading was 265. That would mean 26,500 and here I am again, right where it was last night. This does not seem correct.

At 10 meters I had to use the lux at 10x setting and the reading was 56, which would mean 560 This does not seem correct.

At 20 meters I had to use the lux at 1x setting and the reading was 127

I think the meter is totally inaccurate. Does anyone want to chime in here? I did all the distances twice and got almost the exact same readings both times.

I will let y’all go from here. I am done and I like the old way better. It’s damned bright.

I took it to work tonight and put it up against the stock version. It beat the pants off the stock light.

I calculated peak beam intensity in candela from your readings and got the same numbers as scaru (90500, 106000, 56000,50800). Not sure why there’s such a big difference… something ain’t right.

[luvlites]

@dct73

@luvlites

@dct73

Two meters is still too close for a serious thrower.

Not according to the readings I linked you to, or ANSI/NEMA FL 1 (unless you don’t consider the TN31 a serious thrower).

DrJones is probably our leading expert in this area. According to him:

“Most of you already know that measuring the spot intensity at only 1m distance is not a good idea, as the beam often has not settled to it’s ‘final beam pattern’ in that short distance. Even ANSI/NEMA FL1 demands a minimum distance of 2m; for throwers that is still much too near (I suggest a distance where the spot size is at least 10 times as big as the reflector/lens diameter). ”

Old Lumens, I’ll quit side tracking your thread now.

That’s fine but the actual ANSI/NEMA FL1 standard will allow the TN31 for example to be tested at 2m. And my readings confirm it’s viable. So we have the standard and measurements versus opinion. I’m not saying distances greater than 2m shouldn’t be used because I do test at multiple distances myself for confirmation, I’m just challenging the conventional wisdom here that only greater distances will give accurate readings.

[Old-Lumens]

Well, I think I have let this "sales thread" go to hell completely, so I will let this thread die and maybe try again.. or not.

I think the meter is a piece of crap. I am still fighting the seller over it. I opened a case with ebay, so at least I will get the auction money back.

I'm done, y'all fight it out if you want, but this thread is toast and I started the problem. Live and learn.