Amazon.com : Fotasy Adjustable T/T2 Telescope Lens to Pentax K Mount DSLR Camera Adapter Ring, Compatible with K-70 K-1 K-3 II K-S2 K-S1 K-3 K-50 K-30 K-5 IIs K-5 II K-5 K-500
Pentax K-50 DSLR Camera with DA 18-135 WR Lens kit- Black 10916
Pentax 50mm F/1.4 SMC M K Mount Manual Focus Lens {49} - Used SLR & DSLR Lenses - Used Camera Lenses at KEH Camera at KEH Camera
T2-PK Lens Mount Adapter Ring For Pentax K-S2, K-S1, K-3, K-50, K-500, K-5, K-7 | eBay
LA-KE1 - Pentax K-mount lenses to Sony E-mount cameras adapter (FW v05 – MonsterAdapter
Pentax K-50 DSLR Camera with 18-55mm and 55-300mm Lenses 10874
T2-PK Metal Lens Mount Adapter Ring T/T2 Mount Lens Adapter Replacement for Pentax K-70/K-50/K-30/K-500/K-1/K-3/K-3 II/K-5 IIs/K-5 II/K-5/K-7 K-Mount Cameras - Walmart.com
Pentax-A SMC 50mm f2 K Mount Prime Lens -Mint in Box-
Pixco Pentax 67 lens to Pentax PK K mount adapter Pentax K-3, K-50, K-
T2-PK Metal Lens Mount Adapter Ring T/T2 Mount Lens Adapter Replacement for Pentax K-70/K-50/K-30/K-500/K-1/K-3/K-3 II/K-5 IIs/K-5 II/K-5/K-7 K-Mount Cameras - Walmart.com