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18th June 2017, 12:53 AM
#1
Lens Aperture
Is the aperture of the lens as recorded by exif an electronic signal or an actual measurement? I ask because when using a teleconverter on a lens with max aperture of f/40 exif shows aperture f/81.
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18th June 2017, 06:51 AM
#2
Re: Lens Aperture
Electronic - put a manual lens on and nothing is recorded.
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18th June 2017, 07:59 AM
#3
Moderator
Re: Lens Aperture
I agree, I assume the TC is a 1.4x losing one stop and it (I assume) is chipped in someway so that the camera (or TC) multiplies the lens' aperture by 2 before recording EXIF.
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18th June 2017, 08:11 AM
#4
Re: Lens Aperture
Hi Robin and Dave,
Thanks for responding.
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