Sealife SportDiver Ultra SL405 Instruction Manual page 36

Underwater housing for smartphones
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Lens
If your iPhone has multiple camera lenses, you may select the lens of choice depending on what you are
shooting. For most shots, wide lens produces excellent results. The ultrawide lens is ideal for shooting
larger subjects while keeping a close shooting distance. The telephoto lens is best for subjects that don't
allow you to get close-up.
The focus range for each lens varies depending on your iPhone model. The ultrawide lens typically allows
close-up shooting distance of about 2" (5cm), while the telephoto lens has a minimum shooting distance of
about 10" (25cm).
3-lens iPhones will include a Triple Lens option. Triple lens allows you to quickly change optical lenses by
zooming. 1.0X is the ultrawide lens, 2.0X is the Wide (normal) lens and 3.0X to 4.0X is the Telephoto. All
other zoom values are optical plus some digital zoom.
Focus
There are two options – Auto focus or Manual focus. Selecting Manual allows you to manually adjust the
focus using the up/down buttons. When Manual is selected, push the OK button in Photo and Video
modes to switch between zooming function and manual focus (MF) function. Manual focus can be
adjusted from 0.00 (closest focus) to 1.00 (infinity focus) in 0.05 increments.
This setting is useful when photographing smaller subjects in the foreground, but the camera attempts to
focus on the larger background area.
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