产品规格

镜头结构

MTF 曲线图

纵轴:对比度

横轴:距图像中心的距离

S : 弧矢曲线

M : 切向

空间频率10线/ mm
空间频率20线/ mm
空间频率40线/ mm

产品规格

TypeFUJINON GF23mmF4 R LM WR
Lens configuration15 elements 12 groups (includes 2 aspherical ,1 Super ED , 3ED elements)
Focal lengthf=23mm (18mm in 35mm format equivalent)
Angle of view99.9°
Max. apertureF4
Min. apertureF32
Aperture controlNumber of blades: 9 (rounded diaphragm opening)
Step size: 1/3EV (19 steps)
Focus range38cm - ∞
Max. magnification0.09x
External dimensions : Diameter x Length*1 (approx.)ø89.8mm x 103.0mm
Weight*2 (approx.)845g
Filter sizeø82mm
Accessories includedLens cap FLCP-82 
Lens rear cap RLCP-002 
Lens hood
Lens pouch

备注

*1 距相机镜头卡口法兰的距离

*2 不包括镜头盖和遮光罩