Nikon AI system



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Comparasion of non-AI (left) and AI (right) 50/1,4 Nikkor lens flanges. Aperture transmission ledge in the red circle. Additional line of f-stop digits for Aperture Direct Readout system.

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Сравнение байонета объективов Nikkor 1,4/50 до введения системы AI (слева) и после. Красным кружком обозначен уступ кольца диафрагмы, передающий отношение установленного относительного отверстия к светосиле объектива. На правом снимке виден дополнительный ряд диафрагменных чисел, предназначенный для системы считывания Aperture Direct Readout.


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Photo's description:
Comparasion of non-AI (left) and AI (right) 50/1,4 Nikkor lens flanges. Aperture transmission ledge in the red circle. Additional line of f-stop digits for Aperture Direct Readout system.

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EXIF data:
File name nikon_ai_system.jpg
Size, Mbytes 3.0327998046875
Mime type image/jpeg
Camera manufacturer Canon
Camera model Canon EOS-1D Mark IV
Orientation of image 1
Image resolution in width direction 72
Image resolution in height direction 72
Unit of X and Y resolution 2
Exposure time 1/200 sec (0.005)
F number f / 29
Exposure program 1
ISO speed rating 800
Exif version 0221
Lens focal length 100 mm
Date and time original image was generated 2014:03:21 09:49:58
Date and time image was made digital data 2014:03:21 09:49:58
Meaning of each component 
Shutter speed 7.625
Aperture 9.625
Exposure bias 0
Metering mode 2
User comments
Supported Flashpix version 0100
Color space information 1
Exif image width 5880
Exif image length 2880
InteroperabilityOffset 1024
Focal plane X resolution 3348.8372093023
Focal plane Y resolution 3444.976076555
Focal plane resolution unit 2
Exposure mode 1
Interoperability index R98
Interoperability version 0100
Software used Adobe Photoshop CS4 Windows
Copyright holder (c)Yarovitcin

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