500f4 and d90

[ron willis]

attention randy stout, when in aperture priority and turning aperture ring, I get no readings.when I open my raw files from my d90 it shows the iso f stop shutter speed that I shot. ron willis

[Ulli Hoeger]

Check this post in your previous thread for possible solution:
http://www.birdphotographers.net/forums/showthread.php/112889-500f-4p-and-d90?p=930364&posted=1#post930364

[Randy Stout]

Ulli:

That certainly sounds like that may be the issue. Thanks for your input.

Cheers

Randy