Tamron Adaptall 2 (Pentax K) Lens Adapter at KEH Camera
Tomshoo T2-PK Metal Lens Mount Adapter Ring TT2 Mount Lens Adapter Replacement for Pentax K-70K-50K-30K-500K-1K-3K-3 IIK-5 IIsK-5 IIK-5K-7 K-Mount Cameras - Walmart.com
K&F Concept M17121 Pentax K Lenses to M43 MFT Lens Mount Adapter - KENTFAITH
Samyang T Mount Adapter for Pentax K - Extension Tubes & Lens Adapters - ShaShinKi
Tomshoo T2-PK Metal Lens Mount Adapter Ring TT2 Mount Lens Adapter Replacement for Pentax K-70K-50K-30K-500K-1K-3K-3 IIK-5 IIsK-5 IIK-5K-7 K-Mount Cameras - Walmart.com
T2-PK T Mount Lens Adapter Ring For Pentax K-70 K-1 K-3 K-S2 K-S1 K-50 K-30 K-5 IIs II K-500 K-x K-7 K-m K100D K10D K20D Cameras - AliExpress
T-Mount (T / T-2) Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body Adapter – Fotodiox, Inc. USA
T-Mount (T / T-2) Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body Adapter – Fotodiox, Inc. USA