Pentax K-30 Operating Manual page 304

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Circular polarizing filters and vignetting ..... ....... .......... ....................................... 35
Compatibility table for PENT AX circular polarizing filters ... ............................... 36
PRECAUTIONS WHEN USING THE LENS WITH A FLASH ............................... 40
Built-in Flash ...................................................................................................... 40
External Flash ... ................................................................................................ 40
Compatibility of DA Lenses with the Built-in Flash ............................................ 42
TRIPOD MOUNT .................................................................................................... 45
Removing the Tripod Mount .. ............... ....................... ...................................... 46
MAIN SPECIFICATIONS ....................................................................................... 47