Filters MBTFR

["Stan Patz" <skp113@xxxxxxxxxxx>]

To the list,

There have been numerous references to mounting IR filters between the film 
rails. It seems like a very good technique, especially with the more opaque 
materials.

However, this filter material would have two surfaces to collect dust and 
fingerprints. Since it is mylar or gelatin, it would be prone to scratches 
from manufacturing or mounting, and it would not be flat, like a good 
filter. Now, all of these flaws would be in close proximity to the film, so 
they would be in focus and cast sharp silhouettes.

Isn't that a problem?

Stan Patz   NYC


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