Posted by a reviewer on Amazon

Needless to say i was quickly reminded of fbw when i popped on a lens and it wasnt focusing

Posted by a reviewer on Amazon

So before you buy this check your lenses to see if the focus ring has stops if you turn it enough in one direction you cannot turn it any farther or physical bits of the lens move in and out when you turn the ring

Posted by a reviewer on Amazon

This extension tube isnt worth buying if you only have fbw lenses because it is way too limiting and itll be more frustrating than anything

Posted by a reviewer on Amazon

You will not enjoy this if thats the case

Posted by a reviewer on Amazon

For zeiss users this adapter does click or lock into place on my milvus lens it was reported somewhere that it did not for some of the older zeiss lenses

Posted by a reviewer on Amazon

You basically get what you were looking for and nothing else

Posted by a reviewer on Amazon

Only draw back it auto focus and stablization do not work

Posted by a reviewer on Amazon

Also f stops and shutter functions must b used to make nice pictures