Depth-of-fieldpreview
The viewfinder shews an image captured with the widest aperture. Tile change in aperture
affects tile sharpness of tile sul2ject image, creating a discrepancy between the sharpness seen
in the viewfinder and in tile actual picture. Tile preview lhuction enables you to see tile image
with the aperture used in the actual shootbtg, allowing you to check the approximate sharpness
of the subject image before the actual shooting.
Depth-of-field previewbutton
Press the depth-of-field preview button after the su/!iect is in R)cus.
While the button is held down, the aperture is narrowed to match the aperture value displayed in the
vic_ finder.
• About aperture and blurred images, _ aperture priority mode (page 34)
• The image in die viewfinder will be darker because lhe aperture is narrowed (aperture value is grctlter.)
• Tbe aperture value can be changed during preview.
• When lhe locus is not fixed and the preview button is pres_d, you cannot take a picture. To take a piclure,
press the deplh-oMield i)mview button with • lit in the view finder.
• Wilh a lens equipped with a locus hold buuon, you call set lbe camera 1operlorm tim preview filnclion
using the locus bold button (page 93).
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