Attribute | Sony SAL-20F28 20mm f/2.8 × | Nikon 24mm f/2.8 AIS Nikkor × |
---|---|---|
Aperture (f) | 2.80 - 22.00 | 2.80 - 22.00 |
Filter Size (mm) | 72 | 52 |
Notes | Included Accessories: SH0013 Lens Hood | Classic Nikon F Mount; AIS / AI / NAI Metering Compatibility; Includes front and rear lens caps. |
Closest Focus (m) | 0.25 | 0.3 |
Magnification Ratio (x) | 0.13 | 0.11 |
Type | Wide Prime | Wide Prime |
Focus Details | Rear focusing | Manual Focus Only; Close Range Correction |
APS Equivalent | 30mm | 36mm |
Diaphragm Blades | 7 | 7 |
Image Circle | 35mm | 35mm (FX) |
Focal Length (mm) | 20.00 | 24.00 |
Brand | Sony | Nikon |
Name | Sony SAL-20F28 20mm f/2.8 | Nikon 24mm f/2.8 AIS Nikkor |
Weight (g) | 285 | 275 |
Diagonal Angle of View (degree) | 94.00 | 84.00 |
Length (mm) | 53.5 | 45.7 |
Diameter (mm) | 78 | 63.5 |
Lens Construction | 10 elements in 9 groups | 9 elements in 9 groups |