Optics
Film formats
Film formats at their true size, one corner shared: half frame, 35 mm, the medium formats from 6×4.5 to 6×9, and 4×5 in sheet film.

1 piece
Optics
Film formats at their true size, one corner shared: half frame, 35 mm, the medium formats from 6×4.5 to 6×9, and 4×5 in sheet film.

1 piece