35mm Carl Zeiss Jena Flektogon f 8

Schneider-Kreuznach Kleinbild-Xenon

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Schneider-Kreuznach Kleinbild-Xenon (A.W.Tronnier, 1937)




55mm Cosina f/1.2:
(PK mount. Produced by Tomioka for Cosina, while in the same time Cosina produced the 55 f/1.2 M42 mount for Porst..crazy, but the same 1st version of this Tominon scheme, not the 2nd later version Yashinon)
The scheme is drawn in an artistic way, the original curves are much less extreme

The lens with the most noticeable 3d volume rendering to my eye, still harsh on OOF and has quite geometrically patterned bokeh. The 2nd later version/calculation of the scheme has a bit less aberrations and much poorer 3d effect.
Based on:

  • Leica Noctilux 50mm f/1.0 (Leica, 1976)




58mm Helios 44M-7 f/2 ; 50mm Helios 77M-4 f/1.8:
58mm Helios 44M-7 f/2

(КМЗ, нет точных данных; П.А. Лапин, first series 1951)

50mm Helios 77M-4 f/1.8

(Валдай - ВОМЗ, 1980-x)

Exceptional sharpness and microcontrast with average overall contrast and good colour rendering. Crazy swirled bokeh. Much better performers than the highly praised 85mm fast portrait version.

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