Pentax 16561 Operation Manual - Page 28

Guide Indications A guide indication for each available button/key operation appears as follows on the display during operation. 2 3 4 5 MENU Four-way controller (2) Four-way controller (3) Four-way controller (4) Four-way controller (5) 3 button / OK SHUTTER X/i I/J e-dial 4 button Shutter release button 9/i button I button Using the Histogram Number of pixels→ A histogram shows the brightness distribution of an image. The horizontal axis represents brightness (dark at the left and bright at the right) and the vertical axis represents the number of pixels. The shape of the histogram (Dark) ←Brightness→ (Bright) before and after shooting tells Dark portions you whether the brightness and Bright portions contrast are correct or not, and lets you decide if you need to adjust the exposure and take a picture again. Adjusting the Exposure 1p.76 Understanding Brightness If the brightness is correct, the graph peaks in the middle. If the image is too dark, the peak is on the left side, and if it is too bright, the peak is on the right side. Dark image Correct image Bright image D26ownloaded From camera-usermanual.com Pentax Manuals