Pentax SMC -FA Camera Lens User Manual


 
Setting the Aperture [A (Auto) Lock Switching]
15
To set the aperture ring to A [Auto],
hold down the Aperture A-lock but-
ton and align the A index with the
white-line index. To set the aperture
ring to another setting, hold down the
Aperture A-lock button and turn the
aperture ring.
* If your camera has a K mount with
no lens information contacts, set
the aperture ring to any aperture
except A.
22
16
11
8
5.6
4
A
50
15
10
3
2
ft
m
8
22
16 8
22
16
4
2.8
2
1.4
A
50
15
10
3
2
ft
m
8
22
16 8
11
8
5.6