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05-25-2010, 12:17 PM   #1
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F, FA lenses on A and K mount bodies.

Can you use F or FA lenses on K/A type bodies? How will they function? Simply MF, like A lens or some additional notes on exposure as well?

Thank you.

05-25-2010, 12:22 PM   #2
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Exactly like A lenses would, no exceptions.

Check this out for details:
Pentax K-Mount Lenses Explained
05-25-2010, 12:26 PM   #3
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Here's also a chart that shows pentax lens compatibility with various cameras: The Pentax Camera Lens Compatibility Chart
05-25-2010, 12:44 PM   #4
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Thank you very much, that is very usefull information.
I thought of buying as mechanical and as cheap as possible film camera, but since my lenses are F or later, i was a bit worried if i will be able to use them safely.
I was just afraid that there would be something sticking out of the lens for AF or some aperture lever in camera that might damage F/FA lens.

What do you thinnk of those bodies?
COSINA C1 PENTAX K SLR BODY
CHINON CE-4S
VIVITAR V6000
I've had the chinon previously, and it had really soft mirror action, nice viewfinder and capable night metering (except invisible speed numbers during night).
They all can be bought for approx 20GBP (~30$), incl. shipping.
I'd be probably using M28/2.8 and F50/1.7 or SMC55/1.8 depending on enviroment risk.

05-25-2010, 12:48 PM   #5
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Two of my best deals were a K1000 with an F50/1.7 lens, and an MX Data with an F28/2.8.
05-25-2010, 04:03 PM   #6
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Some FA lenses do not have aperture rings. On early k-mount cameras, such as the K-1000, there is no way to control the aperture and they can only be used wide open.

You should be okay on any autofocus film camera, as well as the Program models that use the A-series lenses. The M-series cameras and the first generation of k-mount cameras, including the K2, KX, KM, and K-1000, there is no way for the camera to control the aperture.
05-25-2010, 07:27 PM   #7
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QuoteOriginally posted by noblepa Quote
Some FA lenses do not have aperture rings. On early k-mount cameras, such as the K-1000, there is no way to control the aperture and they can only be used wide open.

You should be okay on any autofocus film camera, as well as the Program models that use the A-series lenses. The M-series cameras and the first generation of k-mount cameras, including the K2, KX, KM, and K-1000, there is no way for the camera to control the aperture.
Those'll be the FA-J lenses: I believe they only made a few models of them, some unremarkable kit zooms and an 18-35 I heard about here.
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