Ontario Telescope's own adapters include M68 extension tubes in 10mm and 60mm, T2 and M48 variable locking extension rings, a Canon EOS 48mm T-mount, T-mount to Sony E and Nikon Z to M42 adapters, an M54 male to M48 male adapter, a Sony E to Canon EF lens adapter set, and custom machined adapters made to order. Part of T-Rings, Adapters & Spacers.
