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Old 12-09-2009, 09:26 PM #1
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Default Congo blue and primary red eye protector

I have a sheets of congo blue and primary red gel sheets. When combined, the effect is like looking through that of a welders mask. I can point my lasers directly at my pupil, and just see the red glow of the LD (keep in mind the lasers are <50mW green). I am wondering if this is as safe as goggles. I tested if IR is leaking through with my camera, but it seems to let as much IR through as regular light--which is close to nothing. It was originally meant for a project fo IR pics of the sun. or just going outside and looking at the sun--which the effect of doing this is like a dim glowing ball. As i said, i just want to make sure this is safe, and will not potentially harm my eyes, as of now, i think it is ok. What do ya think?


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Old 12-09-2009, 10:13 PM #2
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Default Re: Congo blue and primary red eye protector

crossposting
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Old 12-09-2009, 11:18 PM #3
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Default Re: Congo blue and primary red eye protector

XD well it went in "safety" and "green laser" sections. So w/e my bad
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Old 12-10-2009, 01:37 AM #4
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Default Re: Congo blue and primary red eye protector

Quote:
Originally Posted by creanzworld17 View Post
I have a sheets of congo blue and primary red gel sheets. When combined, the effect is like looking through that of a welders mask. I can point my lasers directly at my pupil, and just see the red glow of the LD (keep in mind the lasers are <50mW green). I am wondering if this is as safe as goggles. I tested if IR is leaking through with my camera, but it seems to let as much IR through as regular light--which is close to nothing. It was originally meant for a project fo IR pics of the sun. or just going outside and looking at the sun--which the effect of doing this is like a dim glowing ball. As i said, i just want to make sure this is safe, and will not potentially harm my eyes, as of now, i think it is ok. What do ya think?
Gels fade and burn, and bleach. Dont trust them, get the Od6 material that has been tested. I speak from experience that the congo blue WILL fade.

Steve
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Old 12-10-2009, 01:39 AM #5
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Default Re: Congo blue and primary red eye protector

[QUOTE=LSRFAQ;621939]Gels fade and burn, and bleach. Dont trust them, get the Od6 material that has been tested. I speak from experience that the congo blue WILL fade. Looks dim is not the same as measuring the power and computing the true optical density.

Steve
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