|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:||73.4°-31.4° (35mm full frame)|
|Lens construction:||7 elements in 7 groups, including 1 ASPH|
|Closest focusing distance:||25 cm|
|Number of diaphragm blades:|
|Type of autofocus motor:||Micromotor (Contax N)
|Full-Time Manual Focus:||No|
|Maximum diameter x Length:||Ø76 x 70 mm|
|Materials:||Metallic barrel, metallic mount|
|Filter size:||55 mm|
|Hood type:||Metal hood GB-51|
Design and Features
The Carl Zeiss Vario-Sonnar T* 3.5-5.6/28-80 lens is a very compact autofocus zoom lens in the Contax N system. It offers the focal length range most often used in 35 mm photography, both indoors and outdoors.
On top of this it has a built-in macro function, which enables close-ups with a magnification of up to 1:2 at focal length of 80 mm. This allows to completely fill the frame with an object the size of a credit card. The lens weighs only 380 g. All this makes it a very convenient optic for the travelling photographer.
An aspheric lens element is used to achieve high imaging performance while keeping the lens compact. The Carl Zeiss T* anti-reflex coating of the Vario-Sonnar T* 3.5-5.6/28-80 lens helps to prevent stray light and thus enables brilliant images with vibrant colors.
Preferred use: Travel, vacation, people, live-action.
The type of autofocus motor is indicated according to Conurus. The lens can be converted to Canon EF mount with AF support by Conurus service.
|User Manual. English, Adobe PDF, 489 KB|