Kenko DG Extension Tube Set for Sony E  type_Self Timer An impressive monument of a

An impressive monument of a viewfinder

Focus-Matic works like this: You point the camera at the baseline of your subject

But it is lightweight

the instruction manual says that "it is agreed by every photographer who owns one [

Kenko DG Extension Tube Set for Sony E &nbsptype_Self Timer An impressive monument of aThis 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.