Comparison of Canon EF 400mm f/4 DO IS USM and Canon EF 400mm ƒ/4 DO IS II USM [S]ave
| Attribute |  Canon EF 400mm ƒ/4 DO IS II USM × |  Canon EF 400mm f/4 DO IS USM × |
|---|---|---|
| Filter Size (mm) | 52 | 52 |
| Notes | Image Stabilization (4 stops); Weather-sealed construction | Image Stabilization |
| Closest Focus (m) | 3.3 | 3.5 |
| Magnification Ratio (x) | 0.13 | 0.12 |
| Type | Telephoto Prime | Telephoto Prime |
| Focus Details | Inner focusing; full-time manual focus and ring USM | Inner focusing; full-time manual focus and USM |
| APS Equivalent | 640mm | 640mm |
| Diameter (mm) | 128 | 128 |
| Image Circle | 35mm | 35mm |
| Focal Length (mm) | 400.00 | 400.00 |
| Brand | Canon | Canon |
| Name | Canon EF 400mm ƒ/4 DO IS II USM | Canon EF 400mm f/4 DO IS USM |
| Weight (g) | 2100 | 1940 |
| Aperture (f) | 4.00 - 32.00 | 4.00 - 32.00 |
| Diaphragm Blades | 9 | 8 |
| Diagonal Angle of View (degree) | 6.20 | 6.20 |
| Length (mm) | 233 | 233 |
| Diaphragm Blades Type | rounded | - |
| Lens Construction | 18 elements in 12 groups, including 1 aspheric and 1 UD element; Newly-developed gapless dual-layer diffractive optical (DO) elements | 17 elements in 13 groups, including 1 flourite and 1 DO element |
Help · Contact us · Disclaimer · Contributors · Developers · Donate