Yasuhiro Sakuda 7/22/18 Yasuhiro Sakuda 7/22/18

Biometar 2.8/80

Carl Zeiss Jena Biometar 2.8/80 for Pentacon SIX.

Yasuhiro Sakuda 7/15/18 Yasuhiro Sakuda 7/15/18

Sonnar 2.8/180

Carl Zeiss Jena Sonnar 2.8/180 for Pentacon Six.

Yasuhiro Sakuda 10/3/17 Yasuhiro Sakuda 10/3/17

Onomichi - Summicron 5cm

Onomichi, Japan.
X-Pro2, Summicron 5cm F2 LTM and Fujifim M mount adapter

Yasuhiro Sakuda 10/1/17 Yasuhiro Sakuda 10/1/17

Summicron 5cm vs XF 50mm F2R

Summicron 5cm F2 LTM was made in 1950s. Also, Modern Fujinon XF 50mm F2R WR has same spec. It is very interesting in the difference between these two lenses.