The latest 2x magnification test is now available. The performance level of these five high-end lenses was surprising.
Minolta DiMAGE Scan Elite 5400 35mm film scanner lens
Schneider Kreuznach Macro Varon 85mm f/4.5 CAS line scan lens
Nikon Rayfact 2x OFM20119MN (Printing-Nikkor 95mm) line scan lens
Canon MP-E 65mm f/2.8 1-5x Macro Photo lens
Laowa 100mm f/2.8 2x Ultra Macro APO lens
I ended up buying one of these based on results of this test! Follow the link below to read the full test results