Amazon.com : Microscope Adapter 0.5× C Mount Lens Adapter Set 23.2mm/30mm /30.5mm Ports for CCD Camera and Digital Eyepiece : Electronics
Kenko Global - MILTOL Scope Eyepiece Kit
Henmomu Camera To Eyepiece Adapter 1.25in,Eyepiece Adapter For Camera,Macro Lens Adapter For F Lens Mount To 1.25in Eyepiece Telescope Camera Adapter - Walmart.com
Kenko LENS2SCOPE Adapter for Sony Alpha Mount Lenses - Straight Eyepiece K-LS10-SASB
C-Mount to Eyepiece Adapter Kit for 1/3 in. & 1/2 in. Video cameras
RafCamera M42x1 female thread to 2" telescope eyepiece adapter for $38
Kenko Lens2scope Adapter for Canon EF / EF-S Mount K-LS10-CEAB
Fully Metal 0.91" to 1.25" Telescope Eyepiece Adapter 23.2mm to 31.7mm Mount Adapter
Henmomu Camera To Eyepiece Adapter 1.25in,Eyepiece Adapter For Camera,Macro Lens Adapter For F Lens Mount To 1.25in Eyepiece Telescope Camera Adapter - Walmart.com
2X Coupler for DSLR Digital Camera 42mm Photoport + C-Mount Eyepiece Adapter 23mm to 30mm Kit for Microscopes | Boli Optics Microscope Store
RafCamera M42x1 female thread to 1.25" telescope eyepiece adapter...
NDPL 2X / 9.6X SLR Microscope Eyepiece Adapter 23.2mm T2 for Canon Nikon Camera | eBay
Lens to eyepiece adapters - Turn your Lens into a Telescope - Bob Atkins Photography