Specifications
Lens Configuration
MTF Chart
Vertical axis : Contrast
Horizontal axis : Distance from the center of the image
S : Sagittal
M : Meridional
Specifications
| Type | XF18mmF1.4 R LM WR | |
| Lens configuration | 15 elements in 9 groups (includes 3 aspherical and 1 ED elements) |
|
| Focal length | f=18mm (27mm) | |
| Angle of view | 76.5° | |
| Max. aperture | F1.4 | |
| Min. aperture | F16 | |
| Aperture control | ||
| Number of blades | 9(rounded diaphragm opening) | |
| Step size | 1/3EV (22 steps) | |
| Focus range | 20cm - ∞ | |
| Max. magnification | 0.15x | |
| External dimensions : Diameter x Length*1 (approx.) | Ø68.8mm x 75.6mm | |
| Weight*2 (approx.) | 370g | |
| Filter size | Ø62mm | |
NOTES
*1 distance from camera lens mount flange
*2 excluding caps and hoods
