StarPal 2inch T ring Adapter M54 M48 Double Screw|Monocular/Binoculars| - AliExpress
ZWO 16.5mm M42 to M48 Extension - M42-M48-16.5MM - Camera Concepts & Telescope Solutions
DEO-Tech OWL Canon EF Lens to Sony E-mount Drop-In Filter Adapter Filter Drawer
Amazon.com : Metal M42 to M52 Male to Female 42mm to 52mm M42-M52 Step-Up Coupling Ring Adapter for Lens Filter : Electronics
Amazon.com : Prettyia 2 inch to T2 M420.75 Telescope Eyepiece Mount Adapter (T-Mount) + T Ring for Canon DSLR Camera Bodies 450D 500D 550D 600D 1100D : Electronics
New Canon EOS Bayonet Mount To Telescope Extension Tube 1.25" Adapter | eBay
Baader Wide-T-Ring Canon R (for Canon R bajonet) with D52i to T-2 and S52 - T-Rings (Wide and Classic) - Camera Adapters - Adapters & Imaging Accessories - Accessories
Adapters and Imaging Accessories — Alpine Astronomical LLC
Sony RX100 M4 Attached to Telescope
M42 x1 to M52 Step up Step down Ring Female Male Coupler Adapter Pack of 2 | eBay