My bellows set up consists of a Nikon PB - 5 Bellows plus Nikon F to E mount adapter, adapted to a Sony A7 mk II. I use an Nikon El Nikkor 135mm 5.6 enlarger lens mounted forward on the bellows for infinity to 1:1.2, and a reverse mounted Nikon El Nikkor 50mm f2.8 for 1:1 to 5:1 extreme macro.
Depicted is the reversed Nikon El Nikkor 50 f2.8 setup. (Just recently acquired that lens)
I use only 2 sizes of negatives: 24x36 and 60x60 mm. Till now I reproduce only bw negatives developed myself. My camera is Sony A68 with 24 MPix matrix, lenses I have:
Tamron 18-200; 3,5/6,3
Sony 35
Helios 58/2
Sony SAL 1855
Additionally I have macro rings with A-mount and M42 rings, as well as bellow for M42 system
I have this one bellow Weiterleitungshinweis
Writing about macro rings I mean about this model Weiterleitungshinweis for M42 lens, and for Sony A mount I use similiar tubes