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I was going to type something but this dude will explain it better. https://www.youtube.com/watch?v=_wR_mFWeI6Y That said, maybe it's genuine. Probably a bunch of poorly binned chips. That aside, trust me, a true 100W led with a glass 5-10 degree lens a highly polished spotlight housing is...

Cheers for that :) I discovered edmund optics earlier in the week. Given the crappy AUD>USD exchange rate, I'm holding off on buying pro optics until I know exactly what I need. I also managed to find a few suppliers of older edmund optic glass (uncoated) but once again, the damn exchange rate...

Counterfeit batteries are biiig buisness in china and india. Been going on for a very long time and will continue to do so as long as people don't understand the value of batteries. I have a good chuckle when people bitch and moan about their cheap portable USB battery packs. I'm not sure what...

Good points on the safety aspects. Yes, it's for night vision. Homebrew style but hopefully no less effective :) I've planned to have a cone on the end of the illuminator to catch any stray beams for those beside me and the few other users of it will know to not dick around with it. As well as...

Tbh, i still like using https://www.google.com.au/search?q=site:laserpointerforums.com but the search bar down the bottom is handy :) I like that you can use basic logic expressions with searches but I like being able to filter by date as well. In any case, it's a lot better than the phpbb...

Cheers, happy to be here. I've been trawling here for info for a while now, figured it was time to finally sign up! Laser > LED when it comes to range :) A torch IR illuminator would be what I am designing. I'm aiming for at least 50m at the moment. To get that I need to minimise losses in...

Those 60w globes don't put out enough light for my liking. I've got philips 14w (100w equiv) around my home in 3000 and 6500k depending on location. Floodlights are 20w LEDs in 5000k. Bloody good investment. When I see something that can match these, then I'll look into it more :)

Hello all, new member throwing out a random blurb in the hopes that I can be pointed in the right direction. I'm building an IR illuminator for night vision. It'll be based on the 808nm wavelength, using the cheap to18 diodes until the optics are sorted. The idea of the project is to build...