Adding two models to high-performance eyepiece "smc PENTAX XW" series
Adding two models to high-performance eyepiece "smc PENTAX XW" series： Achieves the widest 85° apparent field of view in the XW series.
Ricoh Group About Ricoh Economy Of Japan Live Preview Digital Cameras Pentax 645 Pentax Da 40mm Lens
Source: pressreleasepoint.com