About Lenses With A Supersonic Motor; Precautions For Using Lenses Equipped With A Supersonic Motor On The - Pentax DA FISH-EYE 10-17mm f/3.5-4.5ED [IF] Operating Manual

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About lenses with a supersonic motor

The following lenses are equipped with an internal supersonic motor. When mounted on a
camera body that supports supersonic motors, the autofocus is quiet and smooth.
DA 16-50mm f/2.8ED AL [IF] SDM, DA
2.8ED [IF] SDM, DA 300mm f/4ED [IF] SDM
• Supersonic motor compatible camera body
, , ,
Note:
• When the lens is mounted on a camera body that does not support supersonic
motors, the autofocus is operated by the AF motor in the camera body.

Precautions for using lenses equipped with a supersonic motor on the

When using lenses equipped with a supersonic motor on the
firmware version 1.30 or later. The previous firmware versions will use the motor in the
camera and not the motor in the lens to operate the AF.
• How to Check and Update the Firmware
Holding-down the MENU button while turning ON the
version in the center of the display.
Download and install the firmware update for the
• Firmware Download Page:
http://www.pentax.jp/english/support/download_digital.html
50-135mm f/2.8ED [IF] SDM, DA 200mm f/
, use the camera
will display the firmware
using the link below.
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