• Type: AF 56mm F1.4
•Lens construction: 10elements in 9groups
•Focal length: f=56mm
•Angle of view：28°
•Stop size: 1/3EV (22 stops)
•Max. aperture: F1.4 Min. aperture: F16
•Number of of blades : 9(rounded diaphragm opening)
•Focus range: Approx. 60cm – ∞
•External dimensions: ø.65mmx72mm
•Weight (excluding caps and hoods): Approx.290 g
•Filter size: ø52mm