Attribute | Tamron AF 55-200mm F4-5.6 Di II LD Macro × | Pentax 50-200mm f/4-5.6ED SMC DA WR × |
---|---|---|
Filter Size (mm) | 52 | 49 |
Closest Focus (m) | 0.95 | 1.1 |
Magnification Ratio (x) | 0.29 | 0.24 |
Length (mm) | 83 | 79.5 |
Front Element Rotation | - | - |
Diagonal Angle of View (degree) | 8.00 - 28.50 | 8.10 - 31.50 |
Focus Details | - | "Quick Shift" AF/MF mechanism |
Focal Length (mm) | 55.00 - 200.00 | 50.00 - 200.00 |
APS Equivalent | 1.5x: 82.5 - 300mm; 1.6x: 88 - 320mm | 75 - 300mm |
Brand | Tamron | Pentax |
Image Circle | APS-C | APS-C |
Name | Tamron AF 55-200mm F4-5.6 Di II LD Macro | Pentax 50-200mm f/4-5.6ED SMC DA WR |
Weight (g) | 295 | 285 |
Type | Telephoto Zoom | Telephoto Zoom |
Notes | Available AF Mounts: Canon, Konica Minolta, Nikon; Included Accessories: Lens Hood | Weather-resistant construction. Included Accessories: Lens Hood |
Diaphragm Blades | 9 | 6 |
Aperture (f) | 4.00 - 32.00 | 4.00 - 32.00 |
Lens Construction | 13 elements in 9 groups | 11 elements in 10 groups, including 1 ED element |
Zoom System | Rotary | Rotary |
Diameter (mm) | 71.6 | 69 |