Ricoh announces new $550 100mm F2.8 weather-sealed macro lens: Digital Photography Review
HD Pentax D FA Macro 100mm f/2.8 ED AW lens officially announced - Pentax & Ricoh Rumors
Pentax K-500 - Camera – Kamerastore
HD PENTAX DA 35mm F2.8 Macro Limited - Ricoh
Amazon.com : 52mm Essential Lens Kit for Select Pentax Digital Cameras. Bundle Includes: 2X Telephoto Lens, 0.45x HD Wide Angle Lens with Macro, Flower Tulip Lens Hood, and UltraPro Accessory Set :
Pentax announces K-50 and K-500 mid- and entry-level DSLRs: Digital Photography Review
Pentax K-1 Review: The case for a DSLR in 2021. – Eric L. Woods
Pentax K-500 Overview: Digital Photography Review
Amazon.com : Wide Angle/Macro Lens FOR THE PENTAX K-7 K-X Digital SLR CAMERAS.THIS LENS WILL ATTACH TO ANY OF THE FOLLOWING PENTAX LENSES 18-55mm, 50-200mm : Electronics