Canon Extension Tube EF25  type_Digital Cameras but this is a pretty

but this is a pretty decent manual-focus zoom lens for the Nikon F mount

and reflector

and that includes 4x5

Original Leitz manual for the Universal Focusing Bellows

the legs are spindly and unsteady and you’re more likely to pinch yourself trying to push the legs back in than you are to get a steady photo when extended

Canon Extension Tube EF25 &nbsptype_Digital Cameras but this is a prettyCanon Extension Tube EF25 for Canon EF mount, in excellent cosmetic condition. Adds 25mm of extension to mounted lens, improving close focus capability while maintaining complete communication between lens and camera. Excellent fit and function.