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My 'old' Wicked Laser, blue Artic, about 1.3W produces a very small spot at several hundred feet away. I was expecting the spot from this one to be similar. Maybe someday, a very smart person will invent a laser diode that produces a round beam (instead of oval beams) directly from the chip...

Thanks for the info! I should have done more research before purchasing! I was 'sucked-in' by their spec that claimed the beam had a distance of 18.64 miles. But now, I'm ratioing my spot size measurements at 50 feet, and I estimate that the 'spot' at 18.64 miles will be about 800 feet wide...

I just received a Odin 5000mW, 450nm pointer from C4Lasers. It has a focus ring, but the smallest 'spot' I can get at about 50 feet is a rectangle of about 1 inch by 5 inches. See pic. I contacted their support@c4lasers.com, but they indicated that this is about the best to expect. Is there a...

I got some of the Norland 61 from eBay, but it never dried, even after three days, and direct sunlight and a UV flashlight for an hour, and after 15 seconds with a blue laser. Here's the link...

Thanks for the 'heads up'. I'm dealing with a 3mm dia lens. And I definitely do not want it fogged. Someone recommended Norland Optical Adhesive 61, but it seems more for joining 2 glass lenses together.

Does anyone have a recommendation for an adhesive to bond an acrylic lens into a brass or steel lens holder?

Thanks for the guidance! This will a bit different than the last one I set up, many years ago. That one was a Toshiba 9211 5mw red, with a PD feedback.

I got (2) of LDSE500 - Compact SEPIC (Buck/Boost) Laser Diode Drivers. I'll be powering PLT3-510. I'll set it up with several dummy diodes first, to see if volts/current look correct.

I got 2 of DTR's drivers yesterday. They look very nicely made. I'm looking forward to trying them. Thanks for all the guidance!

Gave up waiting for Innolaser! Called CC Co. They removed the charge. Still have not heard from Inno! Too bad! It looked like a nice product, and a nice company.

Thanks! Do you have any idea how long I'll have to wait to get my parts from Innolaser?

Ok....I have not called my CC company yet to cancel the payment. But I did place an order with DTR for their similar driver as recommended by RedCowboy. It's been a month waiting on Innolaser. No response, no tracking info, no reply to email/phone. Very disappointing!

The bore is .22". But the laser will be in the frame, not the barrel.

Yes! I will also need to get this assembly mounted. This is for a new system which is not commercially available. It will go 'in', not 'on' the firearm. I picked up a molded plastic asphere, Ø3mm, columnating lens from Thor Labs. I will be make a small steel holder/focuser for it. I don't...

Thanks! I'll look at those batteries. This is for a firearms aiming system, so I don't expect too much 'on' time. But I would hope a total life of a half hour or so would be available.

Thank you for the recommendations. I'm looking for small Li batteries, like the coin batteries; CR2016. Maybe 2 or 3 of them. Space is a concern.

New to group. Evidently getting burned by Innolaser. Ordered several of their Groove2 drivers, but then never received them. And there is no reply to emails or phone calls. I'm looking for a similar driver; suitable for the Osram PLT3 510. It needs to be small (surface mount components) and...