Attribute | Canon EF 400mm f/2.8L IS USM × | Vivitar 2X Series 1 MC4 AF × |
---|---|---|
Name | Canon EF 400mm f/2.8L IS USM | Vivitar 2X Series 1 MC4 AF |
Image Circle | 35mm | 35mm |
Brand | Canon | Vivitar |
APS Equivalent | 640mm | - |
Focal Length (mm) | 400.00 | - |
Effective Reduction in Aperture | - | 2 f-stops |
Diameter (mm) | 163 | - |
Closest Focus (m) | 3 | - |
Focus Details | Inner focusing; full-time manual focus and USM | - |
Filter Size (mm) | 52 | - |
Magnification Ratio (x) | 0.15 | 2 |
Length (mm) | 349 | - |
Aperture (f) | 2.80 - 32.00 | - |
Diagonal Angle of View (degree) | 6.20 | - |
Weight (g) | 5370 | 240 |
Lens Construction | 17 elements in 13 groups, including 1 flourite and 2 UD elements | 4 elements; Multicoated Optical Glass |
Type | Telephoto Prime | Teleconverter |
Diaphragm Blades | 8 | - |
Focal Length Multiplier | - | 2X that of the master lens |
Notes | Image Stabilization | Available AF Mounts: Canon FE, Nikon F, Sony Alpha |