Sony FE 20mm f/1.8 G SEL20F18G

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Lens Specifications
Name Sony FE 20mm f/1.8 G
Image Circle 35mm
Type Ultra-wide angle prime
Focal Length 20mm
APS Equivalent 30mm
Max Aperture f/1.8
Min Aperture f/22
Diaphragm Blades 9 (rounded)
Lens Construction 14 elements in 12 groups, including 2 AA (advanced aspherical) elements and three ED (Extra-low Dispersion) glass elements; Nano AR Coating; Fluorine front-element coating.
Diagonal Angle of View(Based on image circle) 94 degrees
Focus Details Internal focus with wo XD (eXtreme Dynamic) Linear Motors; AF/MF switch; Customizable Focus-hold button
Front Element Rotation No
Zoom System n/a
Closest Focus 0.63 ft (AF), 0.59 ft (MF) / 0.19 m (AF), 0.18 m (MF)
Magnification Ratio 0.20 (AF), 0.22 (MF)
Filter Size 67mm
Dimensions(Length x Diameter) 84.7mm x 73.5mm / 3 in. x 3-3/8 in.
Weight 13.2 oz (373 g)
Notes Dust- and moisture-resistant construction; manual aperture ring with de-click toggle switch
Typical Online Price US$899.99 (Available Mar. 2020)