In addition to the new Pentax KF DSLR camera, yesterday Ricoh also announced two new high-performance Pentax eyepieces for astronomical telescopes (see all Pentax eyepieces). The new smc PENTAX XW16.5 and smc PENTAX XW23 have a field of view of 85° – the widest viewing angle in the XW series, suitable for observing nebulae and … Continue reading Ricoh also announced two Pentax eyepieces for astronomical telescopes