Sony DSLR-A100 User's Manual / Troubleshooting page 35

(!) Set the mode dial to A.
@ Select an aperture value using the control dial.
I I ............. I- 1
.i,o 10030
• The aperture range depends on the lens.
• The aperture value is a([justed in 1/3 Ev increments.
• Belorc shooflng, you can do a quick check on the image bhu with the depth-ol-field preview fimcflon
(page 70).
• If the proper exposure is not obtained afier making tile settings, the shutter speed on the LCD monitor and
in tile viewfinder flashes when tile shutter butlon is pressed hallway down. You can shool al lhis poinl, but
at{jusfing again is recommended.
• When lhe flash is pulled up. the flash liras regardless of file amounl of anlbient light (page 54).
• When using the flash, if you close lhe aperture (a larger F-number). the flash light does nol reg_ch a distant
subject. Opening the aperture (a smaller F-number) is recommended.
• If you close tile aperture (a larger F-nunlber). the anlount of light passing through the lens is decreased
and lhe shulter speed beconles slower. Using a lripod is recomnlended.
"_;"Shooting tecl-miques
The deplh of fiehl is tile in-locus range. Opening the aperture makes tile deplh ol field shallower (tile in-
locus range beconles narrower) and closing the aperture nlakes the depth of lield wider (tile hl-fi)cus
range becomes wider).
Open the aperture Close the aperture
The subject ix sharpened _ith Over a wide range, both
its background blurred, nearby and far iway subjects
are brought into focus.
Adjust tile aperlure to suil your purpose, eifller 1o sharpen tile specific area of inlage, or to locus on lhe
entire inlage.
35