Asahi Pentax K extension tube set  type_Remote Release This is a Cosina Voigtlander

This is a Cosina Voigtlander viewfinder for 25mm lenses

but they may have small cosmetic imperfections which will not affect fitment

and versatile

6 III USM is a good basic telephoto zoom lens for film and digital EF mount EOS cameras

the included 200PL quick release plate has a 1/4" thread for compatibility with nearly any camera

Asahi Pentax K extension tube set &nbsptype_Remote Release This is a Cosina VoigtlanderThis Asahi Pentax K extension tube set includes three tubes (9. 5mm, 19mm, and 28. 5mm) designed to increase magnification for close up work. These are manual tubes there's no aperture automation or electronic communication so you'll need a lens that has its own aperture ring. Lens is sold separately (this is just tubes)