Pentax smc DA 18-250mm f/3.5-6.3 Operating Guide (en)

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PRECAUTIONS WHEN USING THE LENS WITH A FLASH
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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 22 for
information on the compatibility of the built-in flash with the lens being used. Furthermore,
please note that when using the
-series camera, a warning indication does not
appear even when taking a picture with a built-in flash that is incompatible 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.
External Flash
● DA 14mm f/2.8ED (IF)
The AF360FGZ external flash unit with the wide-angle panel only can be used, and the lens
hood can be attached as well. Other external flash units are not recommended to use
because their coverage angle is not compatible with the angle of view of the lens.
● DA 16-45mm f/4ED AL, DA18-55mm f/3.5-5.6 AL, DA50-200mm f/4-5.6 ED,
DA 40mm f/2.8 Limited
When using the external flash unit, the vignetting will not occur with the lens hood attached
to the lens if the flash covers its angle up to 24 mm (equivalent in 35mm format).
For further details, refer to the operating manual for your external flash unit.
 06-2006 DA_Body_E  05.4.27 15:51  Page 21