ZWO Electronic Filter Wheel (EFW) Canon EOS Adapter - ZWO EFW-EOS-II

The Short EOS adapter for connected Electronic Filter Wheels (EFW) & cooled cameras (6.5mm Back focus version).

The effective adapter width is 17.5mm

This new type of adapter is not adjustable.

This EOS-T2 adapter supports Canon EF lens only, it will not work with EF-S lenses.

So you can use Canon Lens with ASI1600 and EFW