Specifications

Lens Configurations

MTF Chart

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

Spatial frequency 15 lines/mm

Distance from the center of the image

Spatial frequency 45 lines/mm

Distance from the center of the image

Specifications

TypeXF23mmF1.4 R LM WR
Lens configuration15 elements in 10 groups

(includes 2 aspherical and 3 ED elements)
Focal lengthf=23mm (35mm)
Angle of view63.4°
Max. apertureF1.4
Min. apertureF16
Aperture controlNumber of blades9(rounded diaphragm opening)
Step size1/3EV (22 steps)
Focus range19cm-∞
Max. magnification0.2x
External dimensions : Diameter x Length*1 (approx.)Ø67mm x 77.8mm
Weight*2 (approx.)375g
Filter sizeØ58mm

NOTES

*1 distance from camera lens mount flange
*2 excluding caps and hoods