Nikon 1683 Instruction Manual - Page 30

-CONTROLS IN DETAIL-continued--------- Depth-of-field preview lever ® When a lens with an automatic diaphragm is used, the image in the viewfinder is viewed with the aperture diaphragm of the lens wide open. However, pressing the depth-of-field preview lever will cause the lens to be stopped down to the fin umber set to enable you to examine depth of field before shooting _The image in the viewfinder " darkens " according to the selected f/number-the smaller the aperture (i.e., the larger the fl number), the " darker" the image. Components of the picture that appear in focus when the lever is pressed wi ll be in the zone of sharp focus. Note: Be sure to press the depth-of-field preview lever fully. Also, release the lever when you depress the shutter release button. Self·tlmer lever ® This device is useful in self-portraits or when taking a picture of yourself with other people. Set the self-timer by turning the lever as far as it will go in the direction of the arrow shown in the photo. This can be done either before or after the film is advanced . After the self-timer has been set, press the shutter release button. Reflex mirror @ will go up and the self-timer will start to operate ; the shutter is released after a delay of approx. 10 sec. If you wa nt to cancel self-timer operation after the lever has been set, move it back to its original position with your finger. You can then take the picture the standard way as before. However, turning the self-timer lever when it is already in operation will result in the shutter's being released the moment the lever is back in its original position . Except for B (bulb), the self-timer can be used at any shutter speed . 30