Ernst Dinkla
Well-known
To start with the last request: It is the Mamiya 35S with the Mamiya Sekor 48mm 1.9 that has basically the shape of Plasmat lens. There are more Mamiya 35 cameras with that lens design, I suspect that both the 48mm 2.0 and 1.9 of the fixed lens rangefinders have that design.
The Minolta 35 B for example: Chiyoko 45mm 1:2.8 tests and review - Lens QA Works however the lens is a 5 element 3 groups, my mistake. The fixed lens rangefinder Minolta A2 with the 45mm 2.8 has the same design.
The Ricoh 35 De Luxe with Riken Ricomat 4,5cm 2.8 also shows the same 5 element 3 groups design.
The Minolta 35 B for example: Chiyoko 45mm 1:2.8 tests and review - Lens QA Works however the lens is a 5 element 3 groups, my mistake. The fixed lens rangefinder Minolta A2 with the 45mm 2.8 has the same design.

The Ricoh 35 De Luxe with Riken Ricomat 4,5cm 2.8 also shows the same 5 element 3 groups design.
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