Pentax smc -D FA MACRO 100mmF2.8 WR Operating Manual page 9

D FA macro 100mm.book Page 8 Friday, December 18, 2009 11:44 AM
CAUTION
• Keep pressing the shutter release button (or AF button) after you
achieve focus and before taking a picture. If you let go of the shutter
release button before taking the picture, autofocus will operate again
when you press the shutter release button again.
• During autofocusing, the focusing ring will rotate.
Do not touch the focusing ring while autofocus is operating as it may
cause a malfunction.
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