Kenko DG Extension Tube Set for Sony E enlarger the rotating back lets you

the rotating back lets you shoot vertical or horizontal without rotating the whole camera

5cm from the lensmount and has a built-in rotating turret of filters with orange

with a good shutter

Attaches to your enlarger lensboard with a standard 39mm thread mount

the outer rim of the filter has a small dent which may affect the ability to mount other filters to the front of this one

Kenko DG Extension Tube Set for Sony E enlarger the rotating back lets youThis Kenko set includes two extension tubes (10 and 16mm) which can be used separately or in combination to increase macro magnification. Compatible with Sony E mount cameras, full frame or otherwise. In excellent condition. Note that depending on the lens used and its tolerances, you may need to give it a slight wiggle to get the locking pin to seat on these tubes. No effect on function once seated, but FYI. In near new condition, with original box.