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6 Days Ago   #1
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Join Date: Nov 2018
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Fotodiox PRO PT67-P645 (II) doesn't show any F. data?

Hi Guys!

I just entered the pentax medium format world! Bought a Pentax 645z. a while ago and I also purchased an Fotodiox PRO PT67-P645 (II) adapter

to use P67 lenses. I tried to look it up in the forum but I might be overlooking something.
Is it correct when using this ring you don't receive/show no F. (apature) data on the camera at al? (I included an attachment)



And if so is there an adapter that does give you this information or something like an option on Nikon camera (as the NON-CPU) option?
To add manual lenses?


greetings

Shawn

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6 Days Ago   #2
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I hope I'm not confusing things, but AFAIK this is normal. The camera has no way of knowing what the maximum aperture of the lens is, so it can't give you a number.

However, the adapter has an aperture coupling, so the camera does know by how many stops you've stopped down, and thus enables the use of Av mode.

Adam
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5 Days Ago   #3
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Join Date: Nov 2018
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Ah ok. Then I will treat this as a fully manual sitution.
It was just pratical to see the F. on the screen. too bad
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