Sony Alpha Carl Zeiss Sonnar T* 135mm f/1.8 ZA lens

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Carl Zeiss Sonnar T* 135mm F1.8 ZA
Key features
Maker: Sony, Carl Zeiss
Ultrasonic motor: No
Technical data
Type: Prime
Focal length: 135 mm
Frame coverage: 18°
Aperture (max/min): f/1.8 - f/22
Construction: 9 groups / 11 elements
# Diaphragm blades: 9 circular
Close focus distance: 720 mm
Max. magnification: 0.25x
Physical
Max. diameter: 88.5 mm
Max. length: 115 mm
Weight: 1050 g
Filter diameter: 77 mm
Accessories
Lens hood: Metal bayonet
Angle of view
Horizontal: 18°
History
Introduced: 2007
Retail info
MSRP US$ 1400

The Sonnar T* 135 mm f/1.8 ZA (SAL-135F18Z) is a high-quality wide-aperture prime telephoto lens compatible with cameras using the Sony α lens mount. It was designed and is manufactured by Sony in Japan in collaboration with Carl Zeiss.

The lens is also compatible with cameras using the predecessor Minolta AF lens mount, however some Minolta SLR cameras will claim an aperture of f/1.7 when the lens is in fact only capable of f/1.8.

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