Pentax ist *ist Manual - Page 21

Lenses and accessories that cannot be used with this, camera - slr

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19 *1. Lens with a maximum aperture of f/2.8 or larger (smaller aperture number), and with its aperture ring set to the position. *2. Lens with a maximum aperture of f/5.6 or larger (smaller aperture number). *3. To use an F/FA soft 85mm f/2.8 lens or FA soft 28mm f/2.8 lens, set custom function number [CF17] to [2]. Pictures can be taken with the aperture you set. *4. Only the standard program mode works in the Auto picture mode. ✍ MEMO KAF2 and KAF mount lenses are designed to work with the Autofocus SLR camera. Lenses and accessories that cannot be used with this camera Only FA J lenses or lenses that have the position on the aperture ring can be used. The camera does not operate under the following conditions unless custom function number [CF17] is changed to [2] (see pages 134 and 142): • When a lens without an position is used. • When an F or FA lens is used and the aperture ring is set to a position other than the position. • When accessories such as an auto extension tube or auto bellows are used.

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19
*1. Lens with a maximum aperture of f/2.8 or larger (smaller aperture
number), and with its aperture ring set to the
position.
*2. Lens with a maximum aperture of f/5.6 or larger (smaller aperture
number).
*3.To use an F/FA soft 85mm f/2.8 lens or FA soft 28mm f/2.8 lens, set
custom function number [CF17] to [2]. Pictures can be taken with the
aperture you set.
*4. Only the standard program mode works in the Auto picture mode.
✍
MEMO
K
AF2
and K
AF
mount lenses are designed to work with the
Autofocus SLR camera.
Lenses and accessories that cannot be used with this
camera
Only FA J lenses or lenses that have the
position on the
aperture ring can be used. The camera does not operate under
the following conditions unless custom function number [CF17] is
changed to [2] (see pages 134 and 142):
•
When a lens without an
position is used.
•
When an F or FA lens is used and the aperture ring is set to a
position other than the
position.
•
When accessories such as an auto extension tube or auto
bellows are used.