10th Anniversary 2012-2022
More than just a camera lens database
1975

Contax/Yashica system

Discontinued

Created through the combination of Porsche design skills, Yashica electronics technology and Carl Zeiss precision optics, the Contax Real Time System (RTS) was the result of a rare combination of talents. Real Time photography was a concept created to meet the needs of the working professional and advanced amateur as well.

For overview of various models of Contax cameras, please refer to the History of Contax.

The Zeiss interchangeable lenses with Contax/Yashica mount covered the focal length range from 15 to 1000mm, all providing extra-high speed for most convenient application even in adverse light situations. All these lenses offered to the photographer the traditional Zeiss quality and performance standards. The latest developments were incorporated, including the Zeiss T* multi-layer anti-reflection coating, the use of aspherics and floating lens elements. Zeiss T* lenses were striking examples of the complete balancing of optical factors such as resolution and contrast, uniform illumination across the entire image field, high light transmission, freedom from distortion and optimum color correction. Image quality was also superb at all apertures.

Information about basic designs of Carl Zeiss lenses for film SLR cameras can be obtained from the dedicated article.

Yashica lenses featured advanced design devised through application of the most up-to-date know-how in the field of optics combined with the most sophisticated computer programming. Coupled with their original superb performance, all excepting the reflex and DSB lenses featured multi-layer anti-reflection coating which eliminated harmful reflections and assured maximum light transmission.

Yashica MC was a line of lenses compatible with Yashica Multi Program series cameras. MC means "meter-coupled", and not "multi-coated". Nevertheless, these MC lenses were also multi-coated.

YUS (stands for Yashica US) was a budget line of single-coated Yashica lenses that was sold only in the North American market and consisted of only three models: 28/2.8 (three variants), 135/2.8 (two variants) and 75-150/3.9. We decided not to record YUS lenses due to the total lack of manufacturer information.

Camera lineup

Contax/Yashica mount lens lineup

Fisheye lenses
2.8 Yashica ML 15mm F/2.8 Fish-eye 1976 
2.8 Carl Zeiss C/Y F-Distagon T* 16mm F/2.8 [AE] 1975 
Ultra-wide angle prime lenses
3.5 Carl Zeiss C/Y Distagon T* 15mm F/3.5 [AE]Pro 1975 
4.0 Carl Zeiss C/Y Distagon T* 18mm F/4 [AE, MM] A70Pro 1975 
3.3 Yashica ML 20mm F/3.3 ⌀72Pro
3.5 Yashica ML 21mm F/3.5 ⌀72Pro 1976 
2.8 Carl Zeiss C/Y Distagon T* 21mm F/2.8 [MM] E82Pro 1992 
Wide-angle prime lenses
2.8 Yashica DSB 24mm F/2.8 ⌀52
2.8 Yashica ML 24mm F/2.8 ⌀62 1976 
2.8 Carl Zeiss C/Y Distagon T* 25mm F/2.8 [AE, MM] E55 1975 
2.8 Yashica DSB 28mm F/2.8 ⌀52
2.8 Yashica ML 28mm F/2.8 [II] ⌀52
2.8 Yashica ML 28mm F/2.8 c ⌀49
2.8 Yashica ML 28mm F/2.8 [I] ⌀52 1975 
2.8 Carl Zeiss C/Y Distagon T* 28mm F/2.8 [AE, MM] E55 1979 
2.0 Carl Zeiss C/Y Distagon T* 28mm F/2 [AE] E55 1975 
2.8 Yashica ML 35mm F/2.8 [II] ⌀52
2.8 Carl Zeiss C/Y Distagon T* 35mm F/2.8 [AE, MM] E55 1975 
2.8 Yashica ML 35mm F/2.8 [I] ⌀52 1975 
1.4 Carl Zeiss C/Y Distagon T* 35mm F/1.4 [AE, MM] E67 1975 
Standard prime lenses
2.8 Carl Zeiss C/Y Tessar T* 45mm F/2.8 [AE, MM] E49Pancake lens 1982 
2.0 Yashica ML 50mm F/2 ⌀52 1981 
1.9 Yashica DSB 50mm F/1.9 ⌀52
1.9 Yashica ML 50mm F/1.9 ⌀52 1985 
1.9 Yashica ML 50mm F/1.9 c ⌀49 1989 
1.7 Yashica ML 50mm F/1.7 ⌀52 1975 
1.7 Carl Zeiss C/Y Planar T* 50mm F/1.7 [AE, MM] E55 1979 
1.4 Carl Zeiss C/Y Planar T* 50mm F/1.4 [AE, MM] E55 1975 
1.4 Yashica ML 50mm F/1.4 ⌀52 1975 
2.0 Yashica DSB 55mm F/2 ⌀52
1.2 Yashica ML 55mm F/1.2 ⌀55 1976 
Short telephoto prime lenses
2.8 Carl Zeiss C/Y Sonnar T* 85mm F/2.8 [AE, MM] E55 1975 
1.4 Carl Zeiss C/Y Planar T* 85mm F/1.4 [AE, MM] E67 1975 
3.5 Carl Zeiss C/Y Sonnar T* 100mm F/3.5 [AE, MM] E55 1982 
2.0 Carl Zeiss C/Y Planar T* 100mm F/2 [AE, MM] E67 1980 
Medium telephoto prime lenses
2.8 Yashica ML 135mm F/2.8 C ⌀52
2.8 Yashica DSB 135mm F/2.8 ⌀55
2.8 Carl Zeiss C/Y Sonnar T* 135mm F/2.8 [AE, MM] E55 1975 
2.8 Yashica ML 135mm F/2.8 ⌀55 1975 
2.0 Carl Zeiss C/Y Planar T* 135mm F/2 [AE, MM] E72 1975 
2.8 Carl Zeiss C/Y Sonnar T* 180mm F/2.8 [I] [AE] E72 1979 
2.8 Carl Zeiss C/Y Sonnar T* 180mm F/2.8 [II] [AE, MM] E72 1982 
4.0 Yashica ML 200mm F/4 C ⌀58
4.0 Yashica ML 200mm F/4 ⌀55 1975 
4.0 Carl Zeiss C/Y Tele-Tessar T* 200mm F/4 [AE, MM] E55 1982 
3.5 Carl Zeiss C/Y Tele-Tessar T* 200mm F/3.5 [AE] E67 1975 
2.0 Carl Zeiss C/Y Aposonnar T* 200mm F/2 [MM] E111Pro 1992 
Super telephoto prime lenses
5.6 Yashica ML 300mm F/5.6 C ⌀58Pro
5.6 Yashica ML 300mm F/5.6 ⌀58Pro 1976 
4.0 Carl Zeiss C/Y Tele-Tessar T* 300mm F/4 [I] [AE] E82Pro 1979 
4.0 Carl Zeiss C/Y Tele-Tessar T* 300mm F/4 [II] [AE, MM] E82Pro 1982 
2.8 Carl Zeiss C/Y Tele-Apotessar T* 300mm F/2.8 [AE]Pro 1982 
8 Yashica Reflex 500mm F/8 1975 
8 Yashica ML Reflex 500mm F/8 1982 
8 Carl Zeiss C/Y Mirotar T* 500mm F/8 E82 1997 
5.6 Carl Zeiss C/Y Tele-Apotessar T* 500mm F/5.6 [AE]Pro 1984 
8 Carl Zeiss C/Y Tele-Apotessar T* 800mm F/8 [AE]Pro 1984 
11 Yashica Reflex 1000mm F/11 1975 
Macro lenses
4.0 Yashica ML 55mm F/4 Macro ⌀521:2 @ CFD 0.25m 1976 
2.8 Yashica ML 55mm F/2.8 Macro ⌀521:2 @ CFD 0.25m 1979 
2.8 Carl Zeiss C/Y (S-Planar) Makro-Planar T* 60mm F/2.8 [AE] E671:1 @ CFD 0.27m 1975 
2.8 Carl Zeiss C/Y Makro-Planar T* 60mm F/2.8 C [MM] E551:2 @ CFD 0.27m 1992 
4.0 Yashica ML Bellows 100mm F/4 ⌀52For bellowsPro 1976 
4.0 Carl Zeiss C/Y S-Planar T* 100mm F/4 [AE] E55For bellowsPro 1978 
3.5 Yashica ML 100mm F/3.5 Macro ⌀551:2 @ CFD 0.44mPro 1979 
2.8 Carl Zeiss C/Y Makro-Planar T* 100mm F/2.8 [AE] E671:1 @ CFD 0.45mPro 1984 
Shift lenses
2.8 Carl Zeiss C/Y PC-Distagon T* 35mm F/2.8 [AE] A70Pro 1981 
Standard zoom lenses
3.5 Yashica ML 28-50mm F/3.5 ⌀72 1979 
3.5 Yashica MC 28-70mm F/3.5-4.8 ⌀52Push/pull
3.5 Carl Zeiss C/Y Vario-Sonnar T* 28-70mm F/3.5-4.5 [MM] E67 1998 
3.9 Yashica MC 28-80mm F/3.9-4.9 ⌀58Push/pull 1991 
3.8 Yashica DSB 28-80mm F/3.8-4.8 ⌀67
3.5 Yashica ML 28-85mm F/3.5-4.5 ⌀67Push/pull 1984 
3.3 Carl Zeiss C/Y Vario-Sonnar T* 28-85mm F/3.3-4 [MM] E82Push/pull 1988 
4.0 Yashica ML 35-70mm F/4 ⌀55 1983 
3.5 Yashica ML 35-70mm F/3.5-4.8 ⌀52
3.5 Yashica MC 35-70mm F/3.5-4.5 ⌀52Push/pull 1988 
3.5 Yashica ML 35-70mm F/3.5 ⌀62Push/pull 1980 
3.4 Carl Zeiss C/Y Vario-Sonnar T* 35-70mm F/3.4 [MM] E67Push/pull 1984 
3.8 Yashica DSB 35-105mm F/3.8-4.8 ⌀55Push/pull
3.5 Yashica ML 35-105mm F/3.5-4.5 ⌀55Push/pull 1982 
3.3 Carl Zeiss C/Y Vario-Sonnar T* 35-135mm F/3.3-4.5 [MM] E82Push/pull 1992 
3.5 Yashica DSB 38-90mm F/3.5 ⌀67
3.5 Carl Zeiss C/Y Vario-Sonnar T* 40-80mm F/3.5 [AE] E55Push/pull 1975 
3.5 Yashica ML 42-75mm F/3.5-4.5 ⌀55Push/pull 1980 
Telephoto zoom lenses
4.5 Yashica DSB 70-180mm F/4.5 ⌀52Push/pull
4.5 Yashica ML 70-210mm F/4.5-5.6 Macro ⌀52Push/pull
4.5 Yashica MC 70-210mm F/4.5-5.6 Macro ⌀52Push/pull
4.5 Yashica ML 70-210mm F/4.5 ⌀55Push/pull 1984 
4.0 Yashica DSB 70-210mm F/4 ⌀58
4.0 Yashica ML 70-210mm F/4 ⌀62Push/pull 1977 
3.5 Carl Zeiss C/Y Vario-Sonnar T* 70-210mm F/3.5 [AE] E67Push/pull 1980 
4.0 Yashica ML 75-150mm F/4 ⌀52Push/pull 1983 
3.9 Yashica DSB 75-150mm F/3.9 ⌀58Push/pull
4.5 Yashica DSB 75-200mm F/4.5 Macro ⌀55
4.5 Yashica MC 75-200mm F/4.5 Macro ⌀55Push/pull 1989 
4.0 Yashica ML 80-200mm F/4 [I] ⌀62Push/pull
4.0 Yashica ML 80-200mm F/4 [II] ⌀55Push/pull
4.0 Carl Zeiss C/Y Vario-Sonnar T* 80-200mm F/4 [MM] E55Push/pull 1984 
5.6 Yashica ML 100-300mm F/5.6 ⌀58Push/pull 1983 
4.5 Carl Zeiss C/Y Vario-Sonnar T* 100-300mm F/4.5-5.6 [MM] E67Push/pull 1994 
Superzoom lenses
3.5 Yashica ML 28-210mm F/3.5-5.6 Macro ⌀72Push/pull

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