II B,” the cornerstone of Precision Optical Industry after the war
“S II,” the first new model when the factory resumed operation after the world war II
“S II,” the first new model when the factory resumed operation after the world war II
II B,” the cornerstone of Precision Optical Industry after the war
Serenar 50mm f/1.8,” masterpiece lens of Gaussian type
Serenar 50mm f/1.8,” masterpiece lens of Gaussian type
“IV Sb2,” highly appreciated as an all-time classic model
“IV Sb2,” highly appreciated as an all-time classic model