Mamiya RB67 Pro SD User Manual page 39

25 Lens Mount Adapter Ring
When using Mamiya Sekor C interchange-
able lenses with the RB67 Pro-SD, the lens
mount adapter ring must be used. It should be
attached to the rear lens mount. (When using
Mamiya KL lenses with the RB Pro-S and
RB67. remove the lens mount adapter ring.)
. The lens mount adapter ring comes with
Sekor C lenses.
For KL lenses it is attached to the rear lens
mount.
. Both the 75mm shift and APO 500mm lenses
are L lenses.
Make sure to securely tighten the lens
l
mount adapter ring onto the lens mount.
Sekor C
The lens mount
RB67 Pro-SD adapter ring should
be attached.
RB67 Pro-S
37
KL
The lens mount
adapter ring should
be detached.
L