Attribute | Canon EF 90-300mm f/4.5-5.6 USM × | Pentax SMC P-FA J 75-300mm f/4.5-5.8 AL × |
---|---|---|
Magnification Ratio (x) | 0.25 | 0.3 |
Filter Size (mm) | 58 | 58 |
Focus Details | Internal; USM (ultrasonic motor) | Dedicated AF/MF |
Closest Focus (m) | 1.5 | 1.3 |
Lens Construction | 13 elements in 9 groups | 12 elements in 10 groups, including 1 aspherical element |
Length (mm) | 114.7 | 116 |
Focal Length (mm) | 90.00 - 300.00 | 75.00 - 300.00 |
Diagonal Angle of View (degree) | 8.30 - 27.00 | 8.20 - 32.50 |
Brand | Canon | Pentax |
Image Circle | 35mm | 35mm |
Name | Canon EF 90-300mm f/4.5-5.6 USM | Pentax SMC P-FA J 75-300mm f/4.5-5.8 AL |
Weight (g) | 420 | 385 |
Type | Telephoto Zoom | Telephoto Zoom |
Notes | Accessories: ET-60 lens hood, LP1019 soft case. | - |
APS Equivalent | 144 - 480mm | 112.5 - 450mm |
Aperture (f) | 4.50 - 45.00 | 4.50 - 38.00 |
Diaphragm Blades | 7 | 6 |
Zoom System | Rotary | Rotary |
Diameter (mm) | 71 | 69 |