Old 12-13-2014, 01:50 AM #1
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Default Sci-Fi Lasers SF501B 2W 445 Review

I ordered this laser from Sci-Fi Lasers in late October. It arrived on November 21, due to some complications in shipping. I'd say it is still not nearly as bad as the likes of WL in shipping, and wouldn't expect it to happen again. Eitan was very patient with me, and had great service.

The laser has an extremely bright beam, and is much better than my old Chinese "2W" 445nm laser. Since I don't have an LPM, I am unable to measure the brightness, but I can safely say that it is ridiculously bright. I would definitely buy from Eitan again.

It's great at burning, as expected. Here are some pictures:
Laser in operation:

Laser not in operation:

Obligatory beamshot:

Result of burning a CD, quite literally: (Everyone else on LPF is going to start doing this, I guarantee it. )


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Last edited by Sta; 04-08-2016 at 01:26 AM.
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Old 12-13-2014, 07:31 AM #2
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Default Re: Sci-Fi Lasers SF501B 2W 445 Review

Wow nice review Thanks !

I can send the graph by email. I just was super busy and did not have much time to reply.

email me again. Will send it asap.

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Old 12-13-2014, 06:22 PM #3
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Default Re: Sci-Fi Lasers SF501B 2W 445 Review

Nice review! thankz for sharing, good to see you have your eye protection on !
+ Rep
Can see a couple dead pixels in your camera? did u Laze it? Haha
I Can see a cheapo battery charger in the background too, try replace it with a basic nitecore charger if you have a few dollars spare, just for your safety
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Old 12-13-2014, 11:13 PM #4
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Default Re: Sci-Fi Lasers SF501B 2W 445 Review

Quote:
Originally Posted by Sta View Post
I have some good chargers lol, just trying to charge as many batteries as possible!
And yes, I did hit my camera with that old chinese junk laser a few months ago. :P
Good To hear you have better chargers!
those cheaper ones have nothing to them, open it one day when your sick of it, Haha
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650nm 300mW from NO4H99

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Old 12-14-2014, 01:21 AM #5
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Default Re: Sci-Fi Lasers SF501B 2W 445 Review

Quote:
Originally Posted by RYDorDIE278 View Post
Good To hear you have better chargers!
those cheaper ones have nothing to them, open it one day when your sick of it, Haha
I've already lit one of them on fire after it stopped working.
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Old 12-14-2014, 06:55 AM #6
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Default Re: Sci-Fi Lasers SF501B 2W 445 Review

Great choice, Eitan makes really solid lasers I've had a 445nm 501B from him for over a year now, still lases like a champ. Got a 3W Arcane from him on the way too, just left NY, super excited...
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Old 12-15-2014, 02:52 AM #7
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Default Re: Sci-Fi Lasers SF501B 2W 445 Review

Quote:
Originally Posted by Sta View Post
I've already lit one of them on fire after it stopped working.
I damaged good batteries with that type of charger. Even though unprotected type, they cost around $6 each. The problem is the charger over discharged them overnight with the LED. Never charged, just discharged with the indicator!
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