Hi all:
I've beaten in the tests for all the fixed lenses that I have. I still
have 4 zooms to ad, the 35/2.8 shift, and the 50/3.5 macro. I'm also
going to do a page on mirror lenses and "interesting" 3rd-party lenses
(sigma fisheyes and extreme wides, Vivitar 90/2.5 macro, and the like).
Now, it's time to hit the blues bar for a few beers. As I read thru
these old MP's, I passed by the introduction of 110, Kodak polaroid-type
cameras, and several other technologies like polyesther clothing which
have gone away. Why does this give me the blues? I'm old enough to
remember all those things :)
Seriously, though, if folks would like to contribute missing tests,
please either mail them to me at the address below or just type them in
in the format, also below, so that I'm sure everything is kept as
consistent as possible. I'm going to try to get ILL copies of the tests
I know about but which we don't have here.
Test format for FAQ:
16/3.5 SC? (MP 10/75): 15.7/3.43, Barrel? Tons!, Not provided.
3.5 5.6 8 11 16 22
Resolution (lines/mm) at 1:50x
Center: Ex 63 Ex 70 Ex 63 Ex 63 Ex 56 Gd 50
Corner: VG 32 VF 35 Ex 45 Ex 50 Ex 40 Ex 35
Contrast (%) at 30 lines/mm
Center: Hi 59 Hi 63 Med 69 Hi 68 Hi 65 Med 57
Corner: Low 22 Hi 32 HI 35 Med 35 Med 34 Low 27
Cheers,
--Lee
________________________________________________________________________
R. Lee Hawkins lhawkins@xxxxxxxxxxxxxxxxxxx
Department of Astronomy lhawkins@xxxxxxxxxxxxx
Whitin Observatory http://www.astro.wellesley.edu/lhawkins/lee.html
Wellesley College Ph. 781-283-2708
Wellesley, MA 02181 FAX 781-283-3667
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