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Carl Zeiss Mirotar 500 mm f/ 4.5 C/Y Lens

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Carl Zeiss Mirotar 500 mm f/ 4.5 C/Y lens

Carl Zeiss Mirotar 500 mm f/ 4.5 C/Y lens


Carl Zeiss Mirotar 500 mm f/ 4.5 C/Y MTF Chart

Optical design

Carl Zeiss Mirotar 500 mm f/ 4.5 C/Y optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: C/Y (contax/yashica)

Features: Mirror lens
User reviews (1)

Photos (0)

Tests (0)

Owners (1)

Views (8889)

Average price: $8000


Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
500mmf/4.5f/11 3.5 4500/158,7235/9,3

Additional information:

The Carl Zeiss Mirotar 500 mm f/ 4.5 C/Y is a high-quality mirror lens for the 35 mm C / Y (Contax/Yashica) SLR cameras.

Due to its construction with additional mirrors, it is practically devoid of chromatic aberrations.

The scheme of mirror lenses was borrowed from that of telescopes, where it enables to increase focal length without increasing telescope dimensions.

The aperture values of the Carl Zeiss Mirotar 500 mm f/ 4.5 lens can be changed by installing  special dark filters between the camera  the rear lens.

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Posted by: kenjiz   Date of publication: 27.03.2012

Mechanical quality5.001
Optical quality5.001
Pricing / Value3.001
Overall lens rating

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Owner reviews: Carl Zeiss Mirotar 500 mm f/ 4.5 C/Y

Graham 27.11.2020 03:57:18
Period of use: 22 years


Incredible sharpness and even illumination.


Size and weight make this slightly unweildy though the carrying handle helps.  A tripod is a must unless you use this with a digital SLR like the Olympus E-M1 III which has sufficient IS to allow this to be used hand-held. The absence of the Zeiss T* coating can be an issue under difficult lighting conditions, such as where you are photographing directly  into sunlight or with very bright light crossing the plane of the front element, as a reduction in contrast and control of flare can become an issue.

Of course, the bokeh of a mirror lens is an issue for many people but this lens handles it better than most.  I have a photo of this lens alongside my Yashica ML 500 f8 - the contrast in size speaks for itself!


This is an amazing piece of optical and mechanical engineering that goes back to the late 1960s and the use of this lens on the Contarex.  The mount was adapted to a C/Y mount for use with Contax and Yashica SLRs post-1975 - only 215 were ever built.  The Contax 500mm and 1000mm Mirotar lenses are the only ones in the Contax Zeiss range not to have T* coatings, reflecting their earlier Contarex origins.