富士龙 GFX系列 1.4倍 望远增倍镜

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由于镜头和望远增倍镜都具备优异品质,因此在安装望远增倍镜后,MTF曲线几乎没有变化。

GFX系列 1.4倍 望远增倍镜

GF1.4X TC WR是适用于G卡口镜头的1.4倍望远增倍镜。 在 GF250MF4 R LM OIS WR镜头上安装望远增倍镜后,可以实现350mm焦距(大约相当于35mm格式的277mm)望远焦段,而且图像质量依然出色。 最大光圈减小一个F值。 由于镜头和望远增倍镜都具备优异品质,因此在安装望远增倍镜后,MTF曲线几乎没有变化。

 

MTF Chart of GF1.4X TC WR with GF250mmF4 R LM OIS WR

Vertical axis : Contrast

Horizontal axis : Distance from the center of the image

S : Sagittal

M : Meridional

Spatial frequency 10 lines/mm

Spatial frequency 20 lines/mm

Spatial frequency 40 lines/mm

Specifications

TypeFUJINON TELECONVERTER GF1.4X TC WR
Lens configuration7 elements 3 groups
Focal length1.4x that of original lens
Max. aperture1 additional stop
Min. aperture1 additional stop
Focus rangeApprox. same as that of original lens
Max. magnification1.4x that of original lens
External dimensions : Diameter x Length*1 (approx.) φ82mm x 26.7mm
Weight*2 (approx.) 400g  
Accessories includedLens cap 
 Lens rear cap RLCP-002
 Lens pouch