Canon 400mm f4 DO IS Extender 1.4x is a super-telephoto prime lens. It comes with 25 elements in 20 groups, 9 Circular Aperture, F2.8 maximum aperture, F22 minimum aperture, 72mm filter, and 0.17x maximum magnification ratio. It has a 0.2m Closest Focusing Distance & 76° Diagonal Angle of View. Available for Nikon Z-mount.
Brand |
Canon |
Model (Mount Type) |
400mm f/4 DO IS Extender 1.4x |
Status |
Rumored |
Release Date |
Exp release 2022 |
Construction |
25 elements in 20 groups |
Aperture Type |
9-Rounded diaphragm opening |
Maximum Aperture |
f/ 2.8 |
Minimum Aperture |
f/ 22 |
Closest Focusing Distance |
0.2m |
Maximum Magnification ratio |
0.17x |
Diagonal Angle of View |
76° – 11°30′ |
Filter Size |
72mm |
Max Diameter |
92 mm |
Overall Length |
333mm |
Weight |
1560 g |
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