Specifications
Lens Configurations

MTF Chart
Vertical axis : Contrast
Horizontal axis : Distance from the center of the image
S : Sagittal
M : Meridional

Spatial frequency15 lines/mm

Spatial frequency 45 lines/mm

Specifications
| Type | XF400mmF4.5 R LM OIS WR | ||
| Lens configuration | 21 elements in 14 groups (includes 4 ED and 2 super ED elements) | ||
| Focal length (35mm format equivalent) | f=400mm (609mm) | ||
| Angle of view | 4.1° | ||
| Max. aperture | F4.5 | ||
| Min. aperture | F22 | ||
| Aperture control | Number of blades | 9 (rounded diaphragm opening) | |
| Stop size | 1/3EV (15stops) | ||
| Minimum focus distance (measured from focal plane) | 2.75m | ||
| Max. magnification | 0.16x | ||
| External dimensions : Diameter x Length * (approx.) *distance from camera lens mount flange | φ104.5mm×239.5mm | ||
| Weight * (approx.) *excluding cap and hood | 1,245g | ||
| Filter size | φ95mm | ||
| Accessories included | Front lens cap FLCP-95 Rear lens cap RLCP-001 Lens hood Lens pouch Tripod collar foot Shuolder strap | ||