Contax 180mm f/2.8 (1936–Present)
A legendary telephoto prime lens originally developed for the 1936 Berlin Olympics, still in production today.
Overview
The Contax 180mm f/2.8 is a manual focus telephoto prime lens produced under the Carl Zeiss brand for the Contax/Yashica (C/Y) mount. Known by its full designation as the Carl Zeiss Sonnar T* 180mm f/2.8, it traces its origins to the 1936 Berlin Olympics, where an early version was first introduced. The lens has remained in continuous production in various forms, with examples made in East Germany, West Germany, and later in Japan (marked MMJ). It is celebrated for its robust build, optical quality, and historical significance among Zeiss lens designs.
Specifications
| Focal length | 180mm |
| Maximum aperture | f/2.8 |
| Mount | C/Y (Contax/Yashica) |
| Filter size | 72mm |
| Weight | 815 grams (1.8 lbs) |
| Dimensions | 78mm x 131mm |
| Aperture scale | f/2.8–4–5.6–8–11–16–22 |
| Focus type | Manual focus (only) |
| Coatings | T* |
| Optical design | Sonnar |
Design
The lens features a Sonnar optical design with T* anti-reflective coatings and is available in versions marked MM, AEG, AEJ, and MMJ—indicating production in different regions and eras. The built-in lens hood is minimal and considered ineffective, extending only slightly beyond the front element. Some versions, particularly those made in East Germany (CZJ), have non-matte aperture blades that can cause internal reflections and flare under certain lighting conditions.
Context
Originally produced for the 1936 Berlin Olympics, the 180mm f/2.8 Sonnar has maintained a legendary status and remains in production today, reflecting its enduring design and reputation. It was designed as a fast telephoto prime for 35mm SLR systems using the Contax/Yashica mount and can be used with the Mutar III 1.4x teleconverter. Most examples found today are from later production runs, particularly the MMJ (Made in Japan) variant.
Market
The lens is sought after by collectors and photographers alike, with used examples in excellent condition listed for around $180–$190. Some units may show minor issues such as oil on aperture blades, though functionality often remains unaffected. Its desirability is reflected in user comments noting long searches to acquire a good copy.
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