Type XF 18mm F1.4 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 (approx.) Ø68.8mm x 75.6mm
Weight (approx.) 370g
Filter size Ø62mm