Pentax K-7 Operating Manual page 55

Attach a proper lenstothecamera's b ody.
When youuseoneofthefollowing lenses withthe
1_'-7, all the camera's
exposure modes will be available.
(a) DA, DA L, D FA, FA J lenses
(b) Lenses with an Aperture A (Auto) position, when used in the
A position
Turn the Cameia off before attaching or removing the !ens to prevent
unexpected lens m0vement.
' When !enses described in(b)are used ina positi0n 0ther than AI some
functions wi!l be restricte& See i'N0tes 0n [37! Using Aperture Ring] I' (p.29#)i
, With factory default settings, the camera will not work with other lenses and
accessories. Set [37_ Using Aperture Ring] in the [O Custom Setting 6] menu
to [Permitted] to use them. (p.294)
I
2
Make sure that the camera is turned off.
Remove the body mount cover
((_) and lens mount cover (_).
Be sure to put the lens down with the lens
mount side facing upward to protect the
lens mount from damage after removal.
3
Align the Lens mount index (red
dots; (_) on the camera and the
lens, and secure by turning the
lens clockwise until it clicks.
After attaching, turn the lens
counterclockwise to check that the lens is
locked in place.