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Difference of GDN-850 and GDN-850A1

Date: 2015-06-09  Categories: Basic   View:1,144 views

Both of GDN-850 and GDN-850A1 are day night 850nm filters.They’re used for day night 850nm cameras.

GDN-850 is normal type without AR coating,Tavg>90% @ 420-620nm.GDN-850A1 is with AR coating type,Tavg>95% @ 420-620nm.You can see this from their test plot.Pls see GDN-850 and GDN-850A1 for details.

When you take one piece of GDN-850 on you hand,you’ll see your shadow of yourself in it.But you can’t see a shadow from GDN-850A1 because we do AR coating on it.

GDN-850,GDN-850A1

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