ULTRASHORT M48 TO CANON EOS 1.4 mm

This adapter screws directly into the Canon EOS body and enables you to connect objectives and adapters with M48 x 075 thread.

In astro photography, the backfocus of some telescopes is so short that it is not possible to use a standard  camera adapter which have a thickness of roughly 10 mm.

Camera connection	Bayonet Canon EF mount
Telescope connection	M48 x 0.75 female thread
Optical thickness	1 mm