I used this and the included adapter between a zwo asi385 and a manual Samyang lens suitable for Canon ef/s connectors. Worked first time, great product, great Flo service 👌

Just the thing for enabling the use of a canon EF lens with a ZWO ASI camera, Very nice design which allows you to use a 2" filter inside the adapter, and fits cameras with either 17.5mm or 12.5mm back focus.
Really well made and was attached / unattached easily with no binding at all.
Excellent service and fast delivery as always by FLO.

Finally able to use my lenses and able to see some usable results. Works great with 3rd party glass, Tamron, Sigma art etc. Caught my first Nebula today. Thanks FLO!

Bought this so I could use my ASI1600~MM with Canon lenses (70-200- f2.8 and 400 f5.6). All goes together very snuggly and works a treat.

really pleased with it. it just works. allows me connect the 294mc pro to an EF lens very easy, as it was intended to do. And yes, FLO service it was excellent with fast order processing and delivery. Thank You.

Very good adapter to use my ASI 224MC camera to be able to use my Canon lenses with. Feels a solid bit of kit...

Hadyn - IOM

Great support service as usual, fast delivery. Well made product

Great to have this option with the zwo camera,, with a fast lens this will be a good quick set up on my skywatcher az gti,, shirva ,, video astronomy forum,, proboards,,

only 1 star dropped for a flimsy un-attaching screw