Pentax Lens and Built-inFlash, Unavailable due to vignetting, Available with some restrictions

Lens and 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 sposition, 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

Lens Name

DA FISH-EYE 10-17mm F3.5-4.5 ED (IF)

DA 12-24mm F4 ED AL

DA 14mm F2.8 ED (IF)

FAE 300mm F2.8 ED (IF)

DAE 560mm F5.6 ED AW

FAE 600mm F4 ED (IF)

FAE 250-600mm F5.6 ED (IF)

Available with some restrictions

Lens Name	Restrictions
F FISH-EYE 17-28mm F3.5-4.5	Vignetting may occur if the focal length is less
	than 20 mm.
	When the focal length is less than 28 mm, or
DA 16-45mm F4 ED AL	when the focal length is 28 mm and the shooting
	distance is 1 m or less, vignetting may occur.
DAE 16-50mm F2.8 ED AL (IF)	When the focal length is 20 mm or less or when
SDM	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
DA 17-70mm F4 AL (IF) SDM	when the focal length is 35 mm and the shooting
	distance is 1 m or less, vignetting may occur.
DA 18-250mm F3.5-6.3 ED AL (IF)	Vignetting may occur if the focal length is less
	than 35 mm.
DA 18-270mm F3.5-6.3 ED SDM	Vignetting may occur if the focal length is less
	than 24mm.
FAE 28-70mm F2.8 AL	Vignetting may occur if the focal length is 28 mm
	and the shooting distance is less than 1 m.
FA SOFT 28mm F2.8/	Built-in flash always discharges fully.
FA SOFT 85mm F2.8

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Appendix