Attribute | Nikon 28mm f/2.8D AF Nikkor × | Pentax SMC P-FA 28mm f/2.8 AL × |
---|---|---|
Type | Wide Prime | Wide Prime |
Name | Nikon 28mm f/2.8D AF Nikkor | Pentax SMC P-FA 28mm f/2.8 AL |
Weight (g) | 210 | 185 |
Image Circle | 35mm | 35mm |
Brand | Nikon | Pentax |
APS Equivalent | 42mm | 42mm |
Focal Length (mm) | 28.00 | 28.00 |
Lens Construction | 6 elements in 6 groups | 5 elements in 5 groups |
Diaphragm Blades | 7 | - |
Magnification Ratio (x) | 0.18 | 0.11 |
Closest Focus (m) | 0.25 | 0.3 |
Filter Size (mm) | 52 | 49 |
Aperture (f) | 2.80 - 22.00 | 2.80 - 22.00 |
Diagonal Angle of View (degree) | 74.00 | 75.00 |
Length (mm) | 45 | 40.6 |
Diameter (mm) | 65 | 63.5 |