Lens Configuration
MTF Chart
Vertical axis : Contrast
Horizontal axis : Distance from the center of the image
S : Sagittal
M : Meridional
Specifications
| Type | XF23ｍｍF1.4 R LM WR | |
| Lens configuration | 15 elements in 10 groups (includes 2 aspherical and 3 ED elements) |
|
| Focal length | f=23mm (35mm) | |
| Angle of view | 63.4° | |
| Max. aperture | F1.4 | |
| Min. aperture | F16 | |
| Aperture control | ||
| Number of blades | 9(rounded diaphragm opening) | |
| Step size | 1/3EV (22 steps) | |
| Focus range | 19cm-∞ | |
| Max. magnification | 0.2x | |
| External dimensions : Diameter x Length*1 (approx.) | Ø67mm x 77.8mm | |
| Weight*2 (approx.) | 375g | |
| Filter size | Ø58mm | |
NOTES
*1 distance from camera lens mount flange
*2 excluding caps and hoods