Tag Archives: K-AF4

Pentax K-3 and K-50 firmware updates released

    Ricoh Imaging announced new firmware updates for the Pentax K-3 (version 1.30) and K-50 DSLR cameras (version 1.10) that add the possibility to use K-AF4 lenses with these two cameras (K-AF4 corresponds to lenses, the aperture of which is electromagnetically controlled instead of being controlled by the traditional coupling lever; this is the […]

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