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275
Selecting the AF Method
Shooting Conditions that Make Focusing Dicult
z
Subject with low-contrast such as the blue sky, solid-color at
surfaces or when highlight or shadow details are clipped.
z
Subjects in low light.
z
Stripes and other patterns where there is contrast only in the
horizontal direction.
z
Subjects with repetitive patterns (Example: Skyscraper windows,
computer keyboards, etc.).
z
Fine lines and subject outlines.
z
Under a light source whose brightness, color, or pattern keeps
changing.
z
Night scenes or points of light.
z
The image ickers under uorescent or LED lighting.
z
Extremely small subjects.
z
Subjects at the edge of the screen.
z
Strongly backlit or reective subjects (Example: Car with a highly
reective body, etc.).
z
Near and distant subjects covered by an AF point (Example: Animal
in a cage, etc.).
z
Subjects that keep moving within the AF point and will not stay still
due to camera shake or subject blur.
z
Performing AF when the subject is very far out of focus.
z
Soft focus eect is applied with a soft focus lens.
z
A special eect lter is used.
z
Noise (dots of light, banding, etc.) appears on the screen during AF.
AF Range
The available autofocus range varies depending on the lens and aspect
ratio used and whether you are shooting 4K movies or using features
such as Movie cropping or Movie digital IS.
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