|SONNAR||Optical design invented by Ludwig Bertele in 1929. Lenses that use this optical design are lightweight and of high speed. The Sonnar designation comes from German word Sonne which means "sun" and emphasized the lens speed of 2.0 (that was extraordinary rare in those days). In comparison with Planar the Sonnar design has more optical aberrations but the contrast and flare control is much better. In comparison with older Tessar design it has less chromatic aberrations and the lens speed is higher. Due to short working distance the Sonnar design could not be used in wide angle lenses for SLR cameras. That's why Sonnar lenses for SLR cameras are generally available with focal lengths of 135mm or more.|
|T*||The multi-layer coating is applied to the surface of lens elements. It boosts light transmission, ensures sharp and high contrast images, minimizes ghosting and flares.|
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|Maximum format:||35mm full frame|
|Diagonal angle of view:||75.4°-28.5° (35mm full frame)|
|Lens construction:||16 elements in 13 groups|
|Closest focusing distance:||60 cm|
|Number of diaphragm blades:||6|
|Maximum diameter x Length:||Ø85 x 98 mm|
|Materials:||Metallic barrel, metallic mount|
|Filter size:||82 mm|
|Hood type:||Metal hood W-1|
Design and Features
The 28-85 mm Vario-Sonnar® T* f/3.3 - 4.0 lens from Carl Zeiss ofters excellent image quality over its entire focal length range - so good in fact that it can be readily compared to lenses with fixed focal lengths. Even at the minimum focusing range of 0.6 m, good results are still obtained.
Its sturdy mechanical design guarantees extreme reliability in use. Like all Zeiss Vario® lenses for the Contax® SLR Camera System, this is a Zeiss-patented, one-touch zoom lens, i.e. the same ring is used for zooming and focusing.
The large focal range of the 28 - 85 mm Vario Sonnar® T* f/3.3 - 4.0 lens from Carl Zeiss makes it ideal for universal application, e.g. for architectural, landscape and portrait photography.
|User Manual. English, Adobe PDF, 130 KB|
Alternatives (MF, 24-96 mm)
|Yashica DSB 28-80mm F/3.8-4.8||⊗|
|Yashica MC 28-80mm F/3.9-4.9||⊗|
|Yashica ML 28-85mm F/3.5-4.5||⊗|