What does this mean?

Solution
Assuming you're talking about a digital camera:

Fuji FinePix S1: http://www.dpreview.com/forums/post/2626614
Q: "I am getting a FEE error on a Fuji FinePix S1 Pro Digital, the 300mm lens seems to be connected correctly.?"
A: That information is in the user manual. You need to lock the aperture ring at its smallest aperture (usually f/16 or f/22)
Source(s):
proFotog

A: Set aperture ring to largest f/number.
If you want to manually select the aperture size using the ring, set camera to M (manual) mode. When you leave manual mode, return aperture to smallest size (largest f/number) again. Some lenses have a lock beside that largest number. Use it then even with the camera in manual mode, you can use the buttons or wheel on the...

USAFRet

Illustrious
Moderator
Assuming you're talking about a digital camera:

Fuji FinePix S1: http://www.dpreview.com/forums/post/2626614
Q: "I am getting a FEE error on a Fuji FinePix S1 Pro Digital, the 300mm lens seems to be connected correctly.?"
A: That information is in the user manual. You need to lock the aperture ring at its smallest aperture (usually f/16 or f/22)
Source(s):
proFotog

A: Set aperture ring to largest f/number.
If you want to manually select the aperture size using the ring, set camera to M (manual) mode. When you leave manual mode, return aperture to smallest size (largest f/number) again. Some lenses have a lock beside that largest number. Use it then even with the camera in manual mode, you can use the buttons or wheel on the camera to change aperture size.
 
Solution