Minolta Extension Tube for Minolta SR hasselblad and focusing is nice and

and focusing is nice and quick for a macro lens

heavy telephoto lens for the Minolta MD manual-focus lens mount

with original box and instructions

It's got fast autofocus

Minolta Extension Tube for Minolta SR hasselblad and focusing is nice andThis is a modular extension tube set for Minolta MD mount cameras, with a maximum extension of about 67mm, and a minimum extension of about 7mm. It's adjustable by adding or removing threaded rings (or, in the case of the shortest extension, ignoring the rings entirely.) Worth noting that there's no autodiaphragm function on this tube: you'll have to stop down manually. In excellent condition, with box.