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Non CPU lens data not working

shivajib

US
24 posts

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shivajib Registered since 30th Sep 2011
Sun 26-Feb-12 10:13 PM

I have a 50mm f 1.4 non CPU lens from my F2 days. I attached it to my D7000 body today and configured it as my first non CPU lens in the shooting menu supplying the Max Aperture and Focal length values. After that, it started showing the aperture but alas incorrectly. It is showing an aperture of 1.4 for actual setting of 1.4 through 8 and then changing to show 2.8 for actual setting of 11 and 5.6 for 16. Any idea how could I make the camera understand the aperture setup correctly for this lens?

Thanks

Shivaji

N.B. The TTL photo meter is responding to the changes in the actual setting but not with every stops and as I shoot a few with compete manual setting ( without reading anythig from meter etc), the lens is working fine.

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