I just finished the final assembly of a homemade 4X5 monorail camera. My excitem ent was spoiled by a complete inability to focus an image on the ground glass. T he lens in use is a 90mm f6.8 Schnieder Angulon. My ground glass is a Bosscreen. The bellows is homemade, looks funky but appears to have no light leaks. Any su ggestions as to what might be causing the image which I see to be totally unfocu ssed. Any suggestions would be greatly appreciated.
Bruce Settergren
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