No, in fact the WW 2 Harvard Observatory Optical Project Baker-designed 7" f/2.5 lenses are of a different design made at around the same time to satisfy similar requirements using more readily...
Type: Posts; User: launiek; Keyword(s):
No, in fact the WW 2 Harvard Observatory Optical Project Baker-designed 7" f/2.5 lenses are of a different design made at around the same time to satisfy similar requirements using more readily...
The 36 inch f/8 is a fairly commonly found aerial lens that I'm pretty sure pre-dates the U2, despite what may have been said by some of the sellers of them. They were designed for a 9" x 18" format,...