Ricoh published another product story of the new Pentax K-3 Mark III flagship APS-C DSLR camera and this time they are discussing the pentaprism shell: The PENTAX K-3 Mark III’s pentaprism shell — the most prominent design element in PENTAX SLR cameras — is styled to be similar to the glass pentaprism which is housed … Continue reading The pentaprism shell of the new Pentax K-3 III flagship APS-C DSLR camera