Shutter Speed Keeps Changing

wtlwdwgn

Senior Member
I'm new to the D700 and I've run into a situation in Manual mode with a manual lens (Takumar). I set the shutter speed with the Command Dial and the f stop on the lens. I take a shot and the shutter speed changes to another setting, e.g., from 1/80 to 1/40 or 1/30 to 1/15. Pushing the shutter button does not return the speed to the original setting and I have to reset it manually. I have the ISO set at 200 and not on Auto ISO. I know I can use the Aperture priority setting and it works well enough but sometimes I want to set everything manually. I've been buried in the manual and not had any luck. Any ideas?
 
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