Carl Zeiss Biogon 21 mm f/ 2.8 T* Lens

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MTF-charts

Carl Zeiss Biogon 21 mm f/ 2.8 T* MTF Chart

Optical design

Format: 35mm rangefinder

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: Contax G, Contax G

Optical design: 9 elements in 7 groups

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Average price: $1090

Specifications:

Focal length	Max. aperture	Min. aperture	Blades	Min. Focus (m.)	Filter Ø (mm.)	Weight (gr/oz)	Length (mm/in)
21mm	f/2.8	f/22		0.5	55	200/7,1	35/1,4

Additional information:

The Carl Zeiss Biogon 21mm f/2.8 T* is an ultra-wide angle prime lens for 35mm Contax G rangefinder cameras.

Posted by: tormentor Date of publication: 03.03.2013

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Mechanical quality	4.67	3
Optical quality	4.67	3
Usability	4.67	3
Pricing / Value	3.33	3
Bokeh	4.00	3
Overall lens rating	4.27

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