Pentax SLR specifications Hard-to-Autofocus Subjects, Fast moving objects, Focus points range

Models: SLR

1 208
Download 208 pages 44.1 Kb
Page 48
Image 48

46

Hard-to-Autofocus Subjects

The autofocus mechanism is not perfect. Focusing may be difficult when capturing under the following conditions (a to f below). These also apply to manual focusing using the focus indicator ] in the viewfinder.

If the subject cannot be focused automatically, set the focus mode lever to

\and use the manual focus mode to focus on the subject with the aid of the matte field in the viewfinder. (p.122)

(a)Extremely low-contrast subjects such as a white wall in the focus

 

 

points range.

3

(b) Subjects which do not reflect much light within the focus points

 

range.

Basic

 

(c)

Fast moving objects.

(d)

Strongly reflected light or strong backlighting (bright background).

Operations

(e)

If vertical or horizontal line patterns appear within the focus points

 

range.

(f)

Multiple subjects in the foreground and background within the

 

focus points range.

Subject may not be focused even when ] (focus indicator) is displayed when

(f) above applies.

Page 48
Image 48
Pentax SLR Hard-to-Autofocus Subjects, Fast moving objects, Multiple subjects in the foreground and background within