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Ped, they used to put the 300mW model on the website but now they removed it. You can ask them for availability.

Realista, I don't have a 50 or 100mw green laser, I only have a crappy 145mw green with no IR filter, so its hard to make a fair comparision.

PM sent

according to Laserbee's ebay item description: This auction is for a New suplus Stock OPHIR 20C-A Calibrated Thermopile Head. The Thermopile head has never been used and the Thermopile's Active Area is pristine. The head has an internal calibration amplifier that is calibrated to 1mV=1mW...

thanks HIMNL9 , will remeasure the laser power today Now measurements updated~ The battery die fast on me, from 4.15v to 3.95v in like no time. I guess i will have to use a dc power supply next time. As for beamshots, my picture wasn't successful, I guess i have to adjust the exposure...

:wave: Please check out my new greenie~ :wave: http://laserpointerforums.com/f52/rayfoss-rf532-300mw-fmk-ir-filtered-55739.html#post786068

Here is a picture of a OHIR 20C-A Calibr.Thermopile Head for Laser Power Meter‏ (bought from LaserBee's ebay store) and wiring diagram provided. One interesting thing about the thermopile is that it requires dual rail of 5 to 18 volts input power. rear view of the thermopile Thermopile...

This is my first green laser from Rayfoss, 300mW IR filtered :wave: As shown in the picture (below) beside a ruler, the RF532-300mW-FMK is 23.5cm long. And it is by no means a small thing~ :o The laser pointer itself weights 358g, with ultrafire protect 18650 is 403g, which is not...

I have a bunch of 18650 ultrafire 3000mAh battery, i want to know whats the maximum voltage when it is fully charged so i can do a fair review on my laser with a LPM.

worked, thread closed.

Thanks for your help LaserRX, but i am good for now. I just purchased the OHIR 20C-A Calibr.Thermopile Head from Laserbee's auction. :)

Just ordered a RF532-300mW-FMK(IR filtered) from rayfoss but don't have a power meter, Anyone from Toronto wanna help me out? I planned to buy a OHIR 20C-A Calibr.Thermopile Head from Laserbee's auction @ ebay, but I missed it, hopefully he put another one up for auction soon.;)

I wanna purchase a 200 mW + laser, but don't know if it is illegal here in Canada.

I bought a green laser pointer from some Chinese stores on the internet. It was said to be 350mw green laser. But i don't quite believe it. It can burn electrical tape, melt a bit of a black plastic cd-case, but couldn't make a hole (even for a minute). I test the current of the pointer, it...