Ricoh published another product story of the new Pentax K-3 Mark III flagship APS-C DSLR camera and this time they discussed the aperture info record: “When you mount an older lens and turn the power switch on, the PENTAX K-3 Mark III displays the focal-length selection menu. This is done for two reasons: to save … Continue reading Pentax K-3 Mark III flagship APS-C DSLR camera aperture info record