Lens Compatibility With The Built-In Flash - Pentax K-5II Operating Manual

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Lens Compatibility with the Built-in Flash

Depending on the lens used with this camera, the use of the built-in flash
may not be available or may be limited due to vignetting.
The built-in flash cannot be regulated and fully discharges when A lenses
not set to the s (Auto) position, lenses manufactured prior to the A lenses
or soft focus lenses are used.
DA, DA L, D FA, FA J, and FA lenses not listed below can be used without
problems.
* The following lenses were evaluated without a hood.
Unavailable due to vignetting
DA FISH-EYE 10-17mm F3.5-4.5ED (IF)
DA12-24mm F4ED AL
5
DA14mm F2.8ED (IF)
E
FA 300mm F2.8ED (IF)
E
FA 600mm F4ED (IF)
E
FA 250-600mm F5.6ED (IF)
Available with some restrictions
F FISH-EYE 17-28mm F3.5-4.5
DA16-45mm F4ED AL
E
DA 16-50mm F2.8ED AL (IF) SDM
DA17-70mm F4AL (IF) SDM
DA18-250mm F3.5-6.3ED AL (IF)
E
FA 28-70mm F2.8AL
FA SOFT 28mm F2.8/
FA SOFT 85mm F2.8
Lens Name
Lens Name Restrictions
Vignetting may occur if the focal length is
less than 20 mm.
When the focal length is less than 28 mm or
when the focal length is 28 mm and the shooting
distance is 1 m or less, vignetting may occur.
When the focal length is 20 mm or less or
when the focal length is 35 mm and the
shooting distance is less than 1.5 m,
vignetting may occur.
When the focal length is less than 24 mm or
when the focal length is 24 mm and the shooting
distance is 1 m or less, vignetting may occur.
Vignetting may occur if the focal length is
less than 35 mm.
Vignetting may occur if the focal length is
28 mm and the shooting distance is less than
1 m.
Built-in flash always discharges fully.