20
19. INTERCHANGE OF COUPLING CAMS
(MASTER TECHNIKA classic)
For coupling of subsequently purchased lenses, it is necessary to return the
Master Technika to Linhof or to a Linhof service center. Lenses from 72 to 400
mm focal length can be range-finder coupled.
Each rangefinder-coupled lens is supplied with a separate carefully matched
coupling cam. On each coupling cam, both lens serial number and focal length,
are engraved.
Before changing the coupling cam, the lens standard must be pushed back all
the way into the camera body. The upper track of the drop-bed is extended by
means of the focusing knop (14a,b) until the coupling cam is freely accessi-
ble. Now the coupling cam is slightly lifted and pulled out in a straight direc-
tion from the cam shoe (see ill.).
When inserting a new coupling cam, please make sure to push it into the cam
shoe until it comes to a positive stop. Pull out lens standard to the required
infinity stops.
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