Contax 50mm f/1.7 Planar T* (1972–1975)
A Carl Zeiss-designed 50mm prime lens for the Contax/Yashica C/Y mount, produced circa 1972–1975.
Overview
The Contax 50mm f/1.7 Planar T* is a manual focus camera lens designed by Carl Zeiss for the Contax/Yashica C/Y mount system. Manufactured around the early 1970s, serial number ranges suggest production occurred between 1972 and 1975. This lens is part of the high-performance Planar optical design family, known for delivering sharp, balanced imagery. It features Zeiss's signature T* anti-reflective coating, enhancing contrast and light transmission.
Specifications
| Focal length | 50mm |
| Maximum aperture | f/1.7 |
| Mount type | C/Y mount |
| Filter size | 55mm screw-in (57mm cap) |
| Coating | T* |
| Lens design type | Planar |
Design
The lens is noted for its optical precision and timeless design, delivering natural and balanced imagery. It carries the T* coating, a hallmark of Carl Zeiss optics, which reduces flare and improves contrast.
Market
Listings show near-mint examples priced at $209.99, while a Pentax-mount version was listed at $325 USD. One reviewer describes a sub-$200 price as a bargain for a Zeiss 50mm faster than f/2, especially compared to modern equivalents like the $809 Sony-mount Zeiss 50mm f/2. A tested unit was confirmed in perfect working condition, free of haze, fungus, and scratches.
eBay Listings
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