イメ=ジサークルのようなもの
tilt
26 Dec 01:21

平板にレンズを取り付けて10mm格子のあるピントガラスに写した像をdp3mで写してみました、
18-35mm DC フード無し
1 : 18mm
2 : 20mm
3 : 24mm
4 : 35mm

1 18-35mm DC 18mm
Maker SIGMA
Model SIGMA DP3 Merrill
DateTimeOriginal 2016:12:25 19:41:39
ExposureBiasValue 0/1
ExposureMode Manual
ExposureProgram Manual
ExposureTime 25/1
FNumber 7/2
FocalLength 50/1
ISOSpeedRatings 160
Flash Flash did not fire
2 18-35mm DC 20mm
Maker SIGMA
Model SIGMA DP3 Merrill
DateTimeOriginal 2016:12:25 19:43:01
ExposureBiasValue 0/1
ExposureMode Manual
ExposureProgram Manual
ExposureTime 25/1
FNumber 7/2
FocalLength 50/1
ISOSpeedRatings 160
Flash Flash did not fire
3 18-35mm DC 24mm
Maker SIGMA
Model SIGMA DP3 Merrill
DateTimeOriginal 2016:12:25 19:44:32
ExposureBiasValue 0/1
ExposureMode Manual
ExposureProgram Manual
ExposureTime 25/1
FNumber 7/2
FocalLength 50/1
ISOSpeedRatings 160
Flash Flash did not fire
4 18-35mm DC 35mm
Maker SIGMA
Model SIGMA DP3 Merrill
DateTimeOriginal 2016:12:25 19:47:06
ExposureBiasValue 0/1
ExposureMode Manual
ExposureProgram Manual
ExposureTime 25/1
FNumber 7/2
FocalLength 50/1
ISOSpeedRatings 160
Flash Flash did not fire