New PENTAX K-1 Limited Silver Edition and manual lens combinations published on Twitter account: Uske63. This time you will find photos of those lenses with PENTAX K-1 combination below: RICOH XR Rikenon 28mm F2.8, RICOH XR Rikenon 50mm F2, RICOH Rikenon P 50mm F1.7 and RICOH Rikenon P ZOOM 70-210mm MACRO F4.5-5.6.