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Sold/Expired Sigma Customs
- Thread starter Thetasigma
- Start date
neutralwhite
Flashlight Enthusiast
neutralwhite
Flashlight Enthusiast
when the light arrives and it has all the blue O rings, will you also supply spare ones, and a spare boot ?.
will to pay cost of course.
just want to be covered!.
thanks.
will to pay cost of course.
just want to be covered!.
thanks.
Just a few posts that interested me though I'm not buying any lights.
Sapphire tends to be more scratch resistant than glass but not more shatterproof from my reading. So in a light with a bezel that protrudes beyond the lens surface to protect it it really serves no great advantage unlike a watch where the watch face abrades against other things often.
As for the blue o-rings, I don't know where Prometheus lights gets his but they are very dark and shiny. The fluorosilicone rings I ordered and offered here years ago were much lighter and a little more matte in finish. You might have to scour the net if you are fussy about the shade of blue.
Sapphire tends to be more scratch resistant than glass but not more shatterproof from my reading. So in a light with a bezel that protrudes beyond the lens surface to protect it it really serves no great advantage unlike a watch where the watch face abrades against other things often.
As for the blue o-rings, I don't know where Prometheus lights gets his but they are very dark and shiny. The fluorosilicone rings I ordered and offered here years ago were much lighter and a little more matte in finish. You might have to scour the net if you are fussy about the shade of blue.
neutralwhite
Flashlight Enthusiast
Thetasigma
Flashlight Enthusiast
Thanks, this run is sort of a trial phase, so there may be little changes here and there. Future prices will likely be a little higher after this run, but nothing drastic.
Sure thing.
Thanks.
Lights come with spare black rings and a black boot unless you pay for the spare set to be fluorosilicone as well. If you order a spare set in fluorosilicone/blue I will still include the default black spare set.
Thanks for contributing the information. The sapphire lens definitely resist scratches well which are more likely with the small bezel than a larger one, but otherwise it is a bragging right.
The o-rings are a crapshoot unless you find a supplier that carries a particular color, and even then it varies by batch. The ones I have on hand at the moment are reasonable.
stateoftheart
Enlightened
The Sapphire also let's a different wavelength if light through. I'd consider it better :-)
Can you explain further what you mean? I think sapphire has marginally better light transmission if that's what you mean but probably only detectable by an integrating sphere. If a different wavelength were coming through would you not have entirely different colored light coming out? I have lights with both sapphire and glass lenses and I cannot perceive a significant difference.
easilyled
Flashaholic
Thetasigma
Flashlight Enthusiast
If I remember correctly sapphire allows less transmission than UCL lens, but still plenty high enough. If there is any difference in wavelength transmission, it is not noticeable to the naked eye, nor is the slight difference in overall transmission.
Again the main benefit is the hardness of a sapphire lens. If you are prone to dropping your lights often or worried about cracking a lens, a regular glass lens is slightly less likely to break, and cheaper to replace. If anyone has a source for AR coated 21mm mineral glass lenses that would be appreciated.
Again the main benefit is the hardness of a sapphire lens. If you are prone to dropping your lights often or worried about cracking a lens, a regular glass lens is slightly less likely to break, and cheaper to replace. If anyone has a source for AR coated 21mm mineral glass lenses that would be appreciated.
Oops did I get it backwards? Well then there's another reason one might prefer glass, haha.
So I guess scratch resistance really is the only significant perk for sapphire then. I personally have never scratched a glass lens but who knows?
Similar to me, haven't scratched a lens yet, but still prefer sapphire :twothumbs
On totally different topic, driving through Wisconsin to Wausau tomorrow, in Green Bay Tuesday through Thursday..., driving home through Chicago - will be looking for a source to buy Bobak Veal Weiners.... (used to get them at my Costco)
neutralwhite
Flashlight Enthusiast
Thetasigma
Flashlight Enthusiast
Thanks for the link, the 21mm they have is 21.6 which won't fit. The 21.3 wouldn't either.
An update on the o-rings, function is more important than form, so I will only be sending viton o-rings installed for the threads. I tried the flourosilicone rings on the thread groove and they shred instantly even with the surfaces smoothed and deburred. This is partly a side effect of the thicker walls at the o-ring grooves than the Mac's, and the super squishy soft fluorosilicone rings. The bezel o-rings are no trouble though, and will be supplied as requested. The upside is that with proper o-rings, it provides a good, snug seal at the threads.
To clarify on spares, I include the spare black boot from the switch (requires trimming), a spare black bezel viton o-ring, and two spare black viton o-rings for the threads.
Slayer1
Newly Enlightened
!!!!!!!
Last edited:
Slayer1
Newly Enlightened
Thetasigma
Flashlight Enthusiast
I was hoping to find some AR coated ones, but I think I will switch to their plain glass ones as I already acquired some sapphires from there.
Tejasandre
Flashlight Enthusiast
Devin, you ok out there? News says there was some weather up north.
Thetasigma
Flashlight Enthusiast
I'm fine at the moment, southeastern Michigan area. We may get some thunderstorms later.
