Nikon D70 Manual

Contents

Nikon D70 Manual Manual pdf 74 page image

64Taking Photographs—FocusFocus Controlling How the Camera FocusesThis section describes the options that control how your camera focuses:fo cus mode, focus-area selection, and AF-area mode.Focus ModeFocus mode is controlled by the focus mode se-lec tor on the front of the camera. Two modes areavailable:VIDEOOUTCamera focuses automatically when shutter-release button is pressedhalfway. Operation depends on option selected for Custom Setting 2(Autofocus; 139):• AF-S (single-servo autofocus): When camera focuses, beep soundsand in-focus indicator (●) appears in viewfind er. Focus remains lockedwhile shutter-release button is pressed halfway (focus lock). Shuttercan only be released when in-focus indica tor is dis played (focus pri-or i ty). If subject was moving when shutter-release button was pressedhalf way, camera will track subject until focus ing is complete and theshutter can be re leased (pre dic tive focus tracking; 65). If subjectstops moving before shutter is released, in-focus indi ca tor will appearin viewfinder and focus will lock at this distance.• AF-C (continuous-servo autofocus): Camera focuses continuouslywhile shutter-release button is pressed halfway. If subject moves, fo-cus will be adjusted to compensate (predictive focus tracking; 65).Photographs can be taken whether or not camera is in focus (releasepriority).AFAutofocusDescriptionOptionCamera does not focus automatically; focus must be adjusted manuallyusing the lens focusing ring. If maxi mum aperture of lens is f/5.6 orfaster, viewfi nder focus in dica tor can be used to confi rm focus (elec-tronic range finding; 74), but photographs can be taken at any time,wheth er or not camera is in focus.MMan u alChoosing single-servo AF ensures a sharp, focused image. Continuous-servoAF may be a better choice with erratically-moving subjects. Manu al focus isrec om mended when the cam era is unable to focus using autofocus.