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About lenses with a supersonic motor
The lenses in the table below are equipped with internal supersonic motors. When mounted on a
camera body that supports supersonic motors, the autofocus (AF) is quiet and smooth.
• Supersonic motor compatible camera body
/ , , , *,
* If the firmware is version 1.30 or later, refer to page 11.
* In both cases focusing can be done manually.
Lens
Precautions
DA
55mm f/1.4 SDM
DA17-70mm f/4 AL [IF] SDM
• The lens uses a supersonic motor. When the lens
is mounted on a camera body that does not
support supersonic motors (including the
with firmware older than version 1.30),
the autofocus cannot be operated by either the
AF motor in the camera body or the supersonic
motor.
•
If using the lens with the following cameras, and
the power is turned on, MF appears in the monitor,
but it does not interfere with AF operations.
, , ,
DA
60-250mm f/4ED [IF] SDM
DA
16-50mm f/2.8ED AL [IF] SDM
DA
50-135mm f/2.8ED [IF] SDM
DA
200mm f/2.8ED [IF] SDM
DA
300mm f/4ED [IF] SDM
When the lens is mounted on a camera body that
does not support supersonic motors (including the
with firmware older than version 1.30), the
autofocus is operated by the AF motor in the camera
body.
e_da21_20.fm Page 10 Thursday, April 23, 2009 5:34 PM