Ricoh 170543, GXR, 170553 Tip Depth of Field, Focus bar, green, approximate, Depth of field

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Focus

Choose how the camera focuses. By default, the camera uses autofocus.

Option	Description
	The camera selects the focus area with the closest
Multi AF*	subject, preventing out-of-focus shots by keeping
	the camera from focusing on the background.
Spot AF*	Focus on the subject in the center of the frame.
MF	Focus manually (page 65).
(manual focus)
Snap	Focus is fixed at distance selected with Snap Focus
	Distance (page 68) for quick shutter response.
∞ (infinity)	Fix the focus distance at infinity when photographing
	distant scenes.

* The icon is displayed on the DIRECT screen only.

When MF, Snap, or ∞ is selected,	4:3 N
the current selection is shown by
an icon in the picture display.

Tip: Depth of Field

Depth of field is the portion (range of distance) that appears sharp in an image. Small apertures (high f-numbers) increase depth of field, bringing more of the scene into focus; large apertures (low f-numbers) decrease depth of field, emphasizing the main subject by blurring the foreground and background. At settings of MF,

Snap, and ∞, the focus bar shows depth		Focus bar
of field in shooting modes	M, A, and P	(distances are
(in mode P, depth of field is	only shown	approximate)
when the shutter-release button is		Depth of field
pressed halfway and aperture values are		(green)
displayed).

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