Pentax PZ-20 PZ-20 Manual - Page 48
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WINN When the Autofocus Mode or the In-Focus Indication Is Unsuitable for Focusing When the autofocus function or the viewfinder's infocus indicator 0 I cannot be used for focus confirmation for the following reasons, focus on the subject in the manual focus mode with the aid of the matte field in the viewfinder as in the case with a nonAF SLR camera. a) The in-focus indicator blinks because the subject is difficult to autofocus. b) The maximum aperture of the lens in use is smaller than f/5.6. c► A Bellows 100mm f/4, Shift 28mm f/3.5 (shifted), or Reflex lens is in use. d) An old type screw -mount lens is fitted with an optional "Mount Adapter K". SNOLLVII3d0 033NVA0V How to Manual-Focus 1. Set d.: focus mode switch to [ MF . 2. While looking through the viewfinder, turn the focusing ring to the right or left until the image in the viewfinder is clearest. Then, depress the shutter release button fully to take a photo. Using the Snap-in Focus Function If a KA- or K -mount lens is used together with the optional "Cable Switch F" with the focus mode switch set at AF ] , "snap-in focus" is possible where the shutter is automatically released when a subject comes into focus. 1. Use a KA- or K-mount lens. 2. Set the focus mode switch to [ AF . 3. Focus at the point where you expect to capture the subject. 4. Using the optional "Cable Switch F", keep the trigger release button depressed so that the autofocus and metering systems stay active. 5. The camera releases the shutter automatically when the subject comes into focus at the point selected.