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
Amazon.com : JINTU T Mount T2 T-Ring Adapter Telephoto Lens Adapter Ring Compatible with Pentax K Mout K10 K20 K-X K-R K-100 K-200 K3 K5 K7 Cameras : Electronics
T2-PK Lens Mount Adapter Ring For Pentax K-S2, K-S1, K-3, K-50, K-500, K-5, K-7 | eBay
FotodioX Lens Adapter Astro Edition for T-Mount Wide Field
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
Baader Russian / Pentax M42x1 Female to T2 Male Camera Adapter # T2-23 1508015
Lens Adapter - T-Mount (T/T-2) Screw Lenses to Pentax Q Mount Cameras – Fotodiox, Inc. USA
Baader M42 to T2 Adapter for Russian/Pentax Universal Style Telescopes - Camera Concepts & Telescope Solutions
Kowa TSN-CM2-K T2 adapter for Pentax K mount
Fotasy PK lens to Fuji X Adapter, Adapter for Pentax K Mount, Compatib – RainbowImaging
Pentax K SLR / DSLR 2" UltraWide True-2 Prime Focus Adapter - TelescopeAdapters
Jadkinsta T2 Camera Lens Caps Adapter Ring for T Mount T2 Telescope Lens to for Pentax K PK Sony NEX Canon Nikon F mount Minolta - AliExpress
Lens Adapter - T-Mount (T/T-2) Screw Lenses to Pentax Q Mount Cameras – Fotodiox, Inc. USA
T-Mount (T / T-2) Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body Adapter – Fotodiox, Inc. USA
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
T-Mount (T / T-2) Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body Adapter – Fotodiox, Inc. USA
Lens Adapter - T-Mount (T/T-2) Screw Lenses to Pentax Q Mount Cameras – Fotodiox, Inc. USA
Novoflex Adapter for T2 Mount Lenses to Pentax Q Cameras
Meiji T2 SLR Adapter Rings for Canon, Nikon, Olympus - New York Microscope Company