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Zeiss Tessar 4/300 with Zeiss Mutar II or III

G

Guest

Does anyone use the above mentioned lens with the mutar converters? How are the results. Is the 400 + Mutar II (i.e. 600 mm) a recommended combination?
 
G

Guest

Tom,
I have used the 300/4 with the mutar II on many occaissions. There is definitly a small softening effect, but it is still much sharper than my Yaschica 500mm mirror. There is a color shift too-tending towards blue. I have not yet tried a warming filter yet (81b or 812). Exposure can be a bit low, so consider overexposing by one stop. All in all, I am happy with the setup. Just wish I could afford the CZ 500/4.5-there was one on ebay two weeks ago.
Ron in NM
 
G

Guest

I have used the TT 300/4 with both Mutar II and Mutar III (400mmf5.6 and 600mmf8). The results are good with some loss of contrast and sharpness. It is not as sharp as my Mirotar 500mm/8 by its own. For the TT300/4, the average MTF value of the 10 lpmm curve shall drop from about 0.8 to approx 0.7-0.75 at max aperture, I guess, based on the published results of the apotessar 300/2.8 + mutar II combination.
 
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