α-system Spirit Wiki

2006-06-06 (火) 00:12:40 のバックアップ（No.1）

*Standard Primes- 20mm f2.8 Wide-Angle Lens


**Specifications

-20mm f2.8 Wide-Angle Lens
-Amazing visual accuracy from 10 inches to infinity
-Deep depth of field for extraordinary image detail
-Coated optics for sharp clarity and definition
-Rear focusing system for fast auto-focus response
-Circular Aperture for pleasing defocused effects
-Focal Length – 35mm Equivalent: 20 mm
-Focal Length – APS: 30 mm
-Angle of View – 35mm Equivalent: 94ﾟ
-Angle of View – APS: 70ﾟ
-Min Focus Distance: 9.6” (25 cm)
-Aperture – Maximum: f2.8
-Aperture – Minimum: f22
-Maximum Magnification: 0.13X
-Lens Construction: 10 elements in 9 groups with 7 aperture blades
-Filter Diameter: 72 mm
-Dimensions: 3-16 x 2-1/8” (78 x 53.5 mm)
-Weight: 10.1 oz (285 g)
-Supplied Accessories: Front and rear lens cap, SH0013 lens hood