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is there any option of congo blue gel for my night vision? Answered

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RavingMadStudiosbalodabazar

Answer 8 years ago

You might be able to approximate the effect using some other dark blue material like cobalt glass, but the gel is specifically designed with the correct transmission/absorption characteristics you need. Your best bet is to wait until you can get the gel somehow, but it's worth trying other materials if you have them available.

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balodabazarNachoMahma

Answer 8 years ago

I live in rural area of india, i cant find congo blue gel........