Attribute | Canon EF 28mm f/2.8 × | Pentax SMC P-FA 28mm f/2.8 Soft × |
---|---|---|
Brand | Canon | Pentax |
Name | Canon EF 28mm f/2.8 | Pentax SMC P-FA 28mm f/2.8 Soft |
Focal Length (mm) | 28.00 | 28.00 |
Image Circle | 35mm | 35mm |
Diaphragm Blades | 5 | - |
APS Equivalent | 45mm | 42mm |
Focus Details | Focus Details | Soft Focus |
Length (mm) | 42 | 41 |
Magnification Ratio (x) | 0.13 | 0.18 |
Closest Focus (m) | 0.3 | 0.25 |
Filter Size (mm) | 52 | 49 |
Aperture (f) | 2.80 - 22.00 | 2.80 - 22.00 |
Diagonal Angle of View (degree) | 75.00 | 75.00 |
Weight (g) | 185 | 190 |
Lens Construction | 5 elements in 5 groups, including 1 aspherical element | 5 elements in 5 groups |
Type | Wide Prime | Wide Prime |
Diameter (mm) | 67 | 66 |