Compatibility With Built-In Flash - Pentax 26755 - SMC P FA 645 Zoom Lens Operating Manual

Compatibility with Built-in Flash

FA and FA J lenses other than the following can be used with the built-in flash
with no problems.
Lens
FA 600mm f/4ED (IF)
FA J 18-35mm f/4-5.6AL
FA 20-35mm f/4AL
FA J 28-80mm f/3.5-5.6AL
FA 28-105mm f/4-5.6 (IF)
*1: Except the MZ-S.
*2: Vignetting may occur if the focal length is 18mm and the subject is closer than 1 meter.
*3: Vignetting occurs at the 18-28mm focal lengths.
*4: Vignetting occurs if the focal length is 18-24mm and the subject is closer than 1.5
meter.
*5: Vignetting occurs at the 20-28mm focal lengths.
*6: Vignetting occurs at the 20-24mm focal lengths.
*7: Although a warning is displayed, vignetting does not occur.
*8: Vignetting occurs at the 28-35mm focal lengths.
*9: Vignetting occurs at the 28-40mm focal lengths.
K series
series
× ×
*2
MZ-S
*1
MZ series
× ×
*3
*5
*7
*9
31
Z series
×
*4 *3
*6 *5
*8
*9