Sony DSLR A700 User's Guide - Page 38
nearby and faraway subjects, are brought into focus. - specifications
UPC - 027242714151
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Mode dial Front control dial Rear control dial 1 Set the mode dial to A. 2 Select an aperture value using the front or rear control dial. • The aperture range depends on the lens. • The aperture value is adjusted in 1/3 EV increments. You can set this exposure step to 1/2 EV increments with [Exposure step] in the Recording menu (page 98). • If the proper exposure is not obtained after making the settings, the shutter speed on the LCD monitor and in the viewfinder flashes when the shutter button is pressed halfway down. You can shoot at this point, but adjusting again is recommended. • When the flash is pulled up, the flash fires regardless of the amount of ambient light (page 73). • When using the flash, if you close the aperture (a larger F-number), the flash light does not reach a distant subject. Opening the aperture (a smaller F-number) is recommended. • If you close the aperture (a larger F-number), the amount of light passing through the lens is decreased and the shutter speed becomes slower. Using a tripod is recommended. z Shooting techniques The depth of field is the in-focus range. Opening the aperture makes the depth of field shallower (the infocus range becomes narrower) and closing the aperture makes the depth of field wider (the in-focus range becomes wider). Open the aperture The subject is sharpened with its background blurred. Close the aperture Over a wide range, both nearby and faraway subjects are brought into focus. Adjust the aperture to suit your purpose, either to sharpen the specific area of image, or to focus on the entire image. 38