I’m going to measure throw of my GT and Nicolaas’ GT somewhere next week, it seems that you and/or your dad are also in or near Amsterdam?, we could make it a 4x GT session then if you are interested.
I would be very intrerested to find out what exactly is causing the difference - and how big the difference is on Djozz’ light meter…….
Provided good whether we could go outside (we have a nice beamshot area at a 5 min drive) and compare our GT’s to some other lights,
like my TN42 and modded Nitecore TM36 Light (dedomed XP G2 S2 with 849Kcd).
I think it’s the reflector. There’s a difference in reflection, my son has almost mirror finish (like it should be), while mine produces a blurry image of everything that reflects.
To my eye it looks like the hotspot itself is about the same size, the difference appears to just be the corona, which is what the different reflector finish would do.
This should not have a very large effect on the actual real world throw of the light, as we have seen even the V1 reflectors can light up a water tower at 1.9 miles away. It mostly just causes the hotspot to be smoothed out.
I saw this with the V1 to V2 reflectors but the real world performance difference was only marginal in my case.
I would also venture to say that a focus issue could be at fault.
Maybe the centeirng ring somehow got on top od the screws and cause it to change the focus? Not likely but only thing I can really think of.
Wow, that’s a little further back from me, but a big difference in size. 8” to 5.5” or 20.5cm to 14cm
It almost makes me think the curvature of the reflector is slightly different. I doubt it’s the finish. My guess would be a different reflector height.
I think I figured it out. I can shrink my hot spot down from 8” to about 6” if I remove the black centering spacer and carefully move the reflector closer to the emitter.
I don’t know if this will have a positive or negative effect when measured further away. I assume it will improve the throw, but I’m not positive.
Polarweis and Bozlight29, do you have different black centering plates? One with big hole and one with small hole? Maybe they are different thicknesses.
My theory is that Lumintop calculated the exact thickness of the black spacer just right, but with a warped bottom, it’s a tiny bit too tall.
I sanded down the bottom of mine until it was flat. I carefully cleaned it with a brush and a metal tool to get rid of any black pieces of plastic on the edges and in the holes.
Now I’ve got a 6” hot spot compared to an 8” (at 9 feet). That’s sounds better to me.
Tonight I’m gonna take identical distance photos that I did in the past and compare the hot spot and corona sizes.
Yes, but which one is better and which one is worse? I can see they are different at 3 meters, but I can’t say if left or right will better in actual use.