Canon FTb Instructions Manual page 17

Hide thumbs Also See for FTb:

Table of Contents

FD 50mm F 1.8 S.C

an ua I Lock Lever

Automatic/

Manual

Aperture Lever

In case of Canon FD Lens 50mm F 1.8 S.C., turn the

automatic aperture lever of the lens counterclockwise all

the way and set the manual lock lever at

position be-

fore mounting the lens

This manual lock lever locks the

automatic aperture lever and the diaphragm can be opened

or closed by turning the preset aperture ring

For releasing

the lever, return the manual lock lever to the original posi

tion (white dot).

With the use of this lock, photography using manually oper

ated aperture can also be performed on Canon single -lens

reflex cameras like FX besides the TLb, FTb

FT QL and F-1.

But do not use it together with Canonflex R, RP

RM and

R2000

When using the lens attached reversely to the macro-

photo coupler for duplicating photography

macrophoto-

graphy

etc

set the automatic aperture lever of the lens in

the position for manual operation

attach the macrohood

of the macrophoto coupler to the mounting section of the

lens

and turn the bayonet r ing until it locks.

Table of Contents