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光圈在镜头上调节,根据拍摄环境和与所需要的景深,转动光圈环① 来选

择对应的光圈。

由于此镜头无 CPU 数据,所以暂时无法记录光圈参数。

由于光圈为手动调节,无法较好的使用快门优先模式,但可以使用光圈优

先模式 ( 测光准确度视相机型号而定 )。

使用说明

MTF

光圈说明

Summary of Contents for Circular Fisheye

Page 1: ...ail sales laowalens com Tel 86 0551 69107990 5 Add Building 5 USTC Alumni Innovation Park Crossing of Tianshui and Taihe Road Luyang District Hefei City Anhui Province China www laowalens com FACEBOOK...

Page 2: ...LAOWA CF 4mm F2 8 210 Circular Fisheye 210...

Page 3: ...4mm F2 8 210 360 4mm F2 8 135g...

Page 4: ......

Page 5: ...CPU 180...

Page 6: ...CPU MTF...

Page 7: ...LAOWA CF 4mm F2 8 210 CIRCULAR FISHEYE CF 4mm F2 8 210 CIRCULAR FISHEYE 4mm 210 2 8 16 6 7 7 0 11 8cm MF 45 2mm 25 5mm 135g E X EF M...

Page 8: ......

Page 9: ...lens features about a 210 circular angle of view delivering more creative shots and fun shooting experience PREFACE For operational safety please read this instruction manual thoroughly and place the...

Page 10: ...ecting it from water droplets and smudges Do not disassemble modify the lens by yourself Do not touch the internal parts that become exposed as the result of external force Do not leave the lens where...

Page 11: ...e lens is taken from a cold environment into a warm one condensation may develop on the surface and internal parts of the lens so moisture protection should be taken when transferring Because of the p...

Page 12: ...ng slowly and gently to prevent the focus mechanism from damage The distance scale and depth of field scale are for instructional purposes Actual focus and DOF may slightly differ from those scale ind...

Page 13: ...orresponding aperture This lens cannot provide actual aperture value to the camera since there s no CPU data Aperture priority is a better option than Shutter priority for the lens because of its manu...

Page 14: ...ture Lens Structure Aperture Blades Min Aperture Min Focusing Distance Focus Mode Dimensions Diameter Length Weight Mounts Max Magni cation CF 4mm F2 8 210 CIRCULAR FISHEYE Format Mirrorless APS C 4mm...

Page 15: ...NEW IDEA NEW FUN L A O WA...

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