Amazon.com : Fotodiox Lens Mount Adapter - T-Mount (T/T-2) Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body,T2-PK : Electronics
Amazon.com : Rokinon T-Mount Adaptor for Pentax K T2-PK : Camera Lens Adapters : Electronics
Adapter Ring For T2 T Mount Telephoto Lens To Pentax K Mount Pk K7 K100d Km K20d Camera - Lens Adapter - AliExpress
Amazon.com : Fotodiox Lens Mount Adapter - T-Mount (T/T-2) Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body,T2-PK : Electronics
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 SLR Lens to Fujifilm X-Series (FX) Mount Camera Body Adapter – Fotodiox, Inc. USA
Pentax K SLR / DSLR 2" UltraWide True-2 Prime Focus Adapter - TelescopeAdapters
Amazon.com : Fotodiox Lens Mount Adapter - T-Mount (T/T-2) Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body,T2-PK : Electronics
1.25" M42x0.75 Thread Telescope Adapter T2 for Canon Nikon Pentax Sony Olympus | eBay
FotodioX Lens Mount Adapter for T-Mount T/T-2 Screw Mount T2-PK
K&F Concept M35111 Pentax K/M/A/FA/DA Lenses to Fuji X Lens Mount Adapter - KENTFAITH
2 inch to M48*0.75 Telescope Mount Adapter + T T2 Ring for Pentax K-x, K-r, K-01, K-30, K20D, K200D, K2000, K1000, K100D Super, - Walmart.com
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
Amazon.com : 2inch Telescope Camera Adapter for Pentax K SLR/DSLR - with 2” Filter Threads : Electronics