Pentax 105G IQZoom 105G Manual - Page 19

3. Shooting Depress the shutter release button fully, and the shutter will be released. The film automatically advances to the next frame. • When the shutter is released, the self-timer lamp lights up to indicates that a picture has been taken. Automatic Flash Emission The flash automatically discharges in low light or in a backlit condition. When the shutter release button is pressed halfway down, the red lamp lights up indicating that the flash is ready. If the red lamp blinks, the built-in flash is being charged and the shutter cannot be released. Flash effective ranges (Negative color film is used) Lens I SO 100 200 400 am m ( 404) 0.65 - 4.1m 0.65 - 5.8m 0.65 - 8.2m (2.15-13ft) (2.15-19ft) (2.15-27ft) 105m m ( 4) 0.65 - 1.7m (2.15-5.6ft) (02'6.155--72..94fmt) 0.65 - 3.3m (2.15-11ft) HARD-TO-AUTOFOCUS-SUBJECTS The autofocus system is highly precise, but not perfect. Some subjects may not focus as you wish. In this case, use the focus-lock technique on another subject near the actual one and equidistant from the lens. Subjects which may fool the autofocus system include: a) Black or very dark objects, which don't reflect much light. b) Subjects with horizontal lines, complex or detailed patterns. c) Flickering light sources such as neon signs, fluorescent lamps, TV images, sunlight coming through trees, etc. and subjects illuminated by these light sources. d) Glossy and reflective surface like glass, mirror, car bodies, etc. e) Fast moving subjects. f) Water jets, water surface, smoke, flame, fireworks, etc. which have no distinct or consistent form, or a subject in mist. 17