colyn
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I picked up several series VI filters today. One is an Ednalight filter marked infra red. The paper says Infra-Red (88A, 89B)
It is a bit darker than the 25 red filter but not as dark as my Leitz IR filter.
Anybody have any specs such as filter factor etc?
It is a bit darker than the 25 red filter but not as dark as my Leitz IR filter.
Anybody have any specs such as filter factor etc?