Pentax DA 15mm F4 ED AL Limited Operating Guide
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PRECAUTIONS WHEN USING THE LENS WITH A FLASH
Built-in Flash
The built-in flash can not be used when the distance is less than 0.7m. When the flash is
used within 0.7m, it causes incorrect exposure control and vignetting in the picture corners.
• Refer to the “Compatibility of DA Lenses with the Built-in Flash” chart on page 40 for
used within 0.7m, it causes incorrect exposure control and vignetting in the picture corners.
• Refer to the “Compatibility of DA Lenses with the Built-in Flash” chart on page 40 for
information on the compatibility of the built-in flash with the lens being used.
• If the built-in flash is used with the lens hood attached to the lens, the flash light will be
blocked by the lens hood. Always make sure to remove the lens hood before using the
built-in flash.
built-in flash.
External Flash
The external flash can be used while the lens hood is attached. However, the following
conditions apply to some types of lens.
conditions apply to some types of lens.
zDA 14mm f/2.8ED [IF]
The AF540FGZ and AF360FGZ external flash units can only be used when the wide-angle
panel is used (it is also possible to use the lens hood). Other external flash units are not
recommended because their coverage angle is not compatible with the angle of view of the
lens.
panel is used (it is also possible to use the lens hood). Other external flash units are not
recommended because their coverage angle is not compatible with the angle of view of the
lens.
zDA 21mm f/3.2 AL Limited
External flash units can be used while the lens hood is mounted without problems if it is
possible to set their zoom [coverage angle] up to 28mm.
possible to set their zoom [coverage angle] up to 28mm.
zDA FISH-EYE 10-17mm f/3.5-4.5ED [IF]
External flash units cannot be used because their coverage angle is not compatible with the
angle of view of the lens.
angle of view of the lens.
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