Nikon D300 D300 User's Manual - Page 69

Adjust Viewfinder Focus The camera is equipped with diopter adjustment to accommodate individual differences in vision. Check that the display in the viewfinder is in focus before shooting. 1 Turn the camera on. Power switch s Remove the lens cap and turn the camera on. 2 Focus the viewfinder. Rotate the diopter control until the viewfinder display, focus points, and AF area brackets are in sharp focus. When operating the diopter control with your eye to the viewfinder, be careful not to put your fingers or fingernails in your eye. A Adjusting Viewfinder Focus If you are unable to focus the viewfinder as described above, select singlepoint AF (K) and rotate the focus mode selector to S, then frame a highcontrast subject in the center focus point and focus using autofocus. With the camera in focus, rotate the diopter control until the subject is clearly focused in the viewfinder. If necessary, viewfinder focus can be further adjusted using optional corrective lenses (pg. 366). 43