Zeiss 21mm f/2.8 Loxia 2.8/21

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Lens Specifications
Name Zeiss 21mm f/2.8 Loxia 2.8/21
Image Circle 35mm
Type Wide Prime
Focal Length 21mm
APS Equivalent 1.5x: 31.5mm
Max Aperture f/2.8
Min Aperture f/22
Diaphragm Blades 10 (rounded); Manual aperture ring can be de-clicked
Lens Construction 11 elements in 9 groups, including 1 aspherical and 4 anomalous partial dispersion elements; Zeiss T* anti-reflective coating
Diagonal Angle of View(Based on image circle) 91 degrees
Focus Details Manual focus only, with large 180 degree focus throw, engraved distance and DOF scales
Front Element Rotation TBD
Zoom System n/a
Closest Focus 25cm / 9.84 in.
Magnification Ratio 0.13x / 1:7.8
Filter Size 52mm
Dimensions(Length x Diameter) 85mm x 62.1mm / 3.35 in. x 2.44 in.
Weight 394g / 13.9 oz
Notes Sony E-Mount (full frame); Weather-resistant lens mount gasket; Included Accessories: Lens hood, front and rear lens caps, de-click key.
Typical Online Price US$1,500 (Available Dec. 2015)