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Old 10-28-2010, 09:55 PM #1
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Default OD 3 at 200mW?

Ok, so I know that at 200mW, OD3 reduces power to around 0.2mW, and being blu-ray, im not sure if it is . Would it be visible for focusing at OD 3 or is it too high?


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Old 10-29-2010, 11:26 AM #2
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Default Re: OD 3 at 200mW?

I'd guess 0.2mW is still very visible
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Old 11-01-2010, 04:50 AM #3
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Default Re: OD 3 at 200mW?

Blu-rays aren't very visible as is, so you'll need to hit something that fluoresces to really see how much energy you're not seeing.
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