|Format||35 mm full frame|
|Focal Length (mm)||21mm (With SEL28F20)|
|35 mm equivalent focal length (APS-C)||31.5mm (With SEL28F20)|
|Lens Groups / Elements||4/4|
|Angle of View (35 mm)||92° (With SEL28F20)|
|Angle of View (APS-C)||68° (With SEL28F20)|
|Maximum aperture (F)||2.8 (With SEL28F20)|
|Minimum Aperture (F)||22 (With SEL28F20)|
|Minimum Focus Distance||0.79 ft (AF) / 0.66 ft (MF)) (With SEL28F20 (0.24 m (AF) / 0.20 m (MF))|
|Maximum Magnification ratio (x)||0.15x (AF) / 0.20x (MF) (With SEL28F20)|
|Size & Weight|
|Dimensions (Diameter x Length)||28.35" x 20.08"|
|Weight||9.5 oz (267 g)|
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Dedicated ultra-wide converter for the FE 28 mm F2 lens provides a wider 21 mm focal length, and 92 field of view when used with full-frame cameras. Because it is specifically designed for the full-frame FE 28 mm F2 it delivers imposing wide perspective with high resolution throughout the image area from infinity down to the closest focusing distance, without compromising the lens's image quality. The sophisticated design seamlessly matches the lens, and is dust and moisture resistant for maximum reliability.
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