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Old 21-07-2013, 07:10 AM
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OneCosmos (Chris)
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Join Date: Apr 2010
Location: Brisbane
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Quote:
Originally Posted by bojan View Post
Maybe related but I'm talking about matching the camera with the field flattener. The field flattener has a back focus of between 71.4 and 81mm according to the specs (seems a lot of latitude) so obviously need to subtract whatever the 50D is from that to figure out the length of spacers required.

Chris
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