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Carl Zeiss Jena Biotar 75 mm f/ 1.5 Lens

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Carl Zeiss Jena Biotar 75 mm f/ 1.5 lens

Optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: M42, Exakta

First year of production: 1939

Last year of production: 1960

Optical design: 6 elements in 4 groups

User reviews (1)

Photos (14)

Tests (0)

Owners (11)

Views (29497)

Average price: $933

Specifications:

Focal length	Max. aperture	Min. aperture	Blades	Min. Focus (m.)	Filter Ø (mm.)	Weight (gr/oz)	Length (mm/in)
75mm	f/1.5	f/22	10	0.8	55	450-560/15,9	76/3

Additional information:

The Carl Zeiss Jena Biotar 75 mm f/ 1.5is a legendary fast portrait lens for cameras with the Exakta bayonet and the m42 screw mount. The later version of the lens is equipped with the aperture preset ring and looks different outwardly.

Its optical scheme it is similar with the Gelios-40, however, the Carl Zeiss Jena Biotar 75 mm f/1.5 is sharper with the aperture wide open; there is no decrease of resolution at the center of the frame. The background blurring is more explicit.

Due to a high-quality build, the Carl Zeiss Jena Biotar 75 mm f/ 1.5 can be purchased in an excellent condition. The price for the lens with the m42 screw mount is considerably different.

Links to online resources:

PDF Files:

technical drawing Carl Zeiss Jena Biotar 75 mm f 1.5 (views: 437)

Posted by: dgr Date of publication: 13.05.2011

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Photos taken with this lens Carl Zeiss Jena Biotar 75 mm f/ 1.5:

All photos

Alone ...
Autor: Norbert Ludas

658

Morning
Autor: Petrsedycz

2120

Morning
Autor: Petrsedycz

1763

Alone ...
Autor: Norbert Ludas

2624

Mechanical quality	4.81	10
Optical quality	5.00	11
Usability	4.18	11
Pricing / Value	3.36	11
Bokeh	4.82	11
Overall lens rating	4.43