EXC! JUPITER-3 1.5/50 lens Optical design of Carl Zeiss Sonnar M39 for Leica LTM

Interchangeable ultra-fast lens with coated optics for rangefinder cameras.

It is a replica of the Carl Zeiss Sonnar 1.5/50 lens.

Characteristic:

Focal length: 50 mm

Diaphragm: f/1,5 - f/22

Number of aperture blades: 13 pieces

Mount: M39

Front Filter Diameter: 40,5 mm

Optical design : 7 elements in 3 groups

Minimum focusing distance: 1 m.

Length: 50 mm

Weight: 145 gm.