John, For infinity focus you need about 13.75 inches of extension. As a process lens it should be sharp enough (though I have no experience with this particular version). As far as the best f-stop,...
Type: Posts; User: Joel Edmondson; Keyword(s):
John, For infinity focus you need about 13.75 inches of extension. As a process lens it should be sharp enough (though I have no experience with this particular version). As far as the best f-stop,...
If I recall correctly, the Xenar is a four-element lens which was designed as a "taking" rather than enlarging lens. Also, some of the older lenses were equipped with a different ratio thread for ...
The actual cold light and associated circuitry are really not that expensive(I purchased an 8x10 from Aristo about five years ago for $250) however the necessary adaptation to a specific enlarger...