Not just Minolta, Olympus, Canon and others made "macro photo" bellows lenses.
Before these were Zeiss Luminar (UltraPhot), Leitz Photar and others. They were parts of their Macro photo systems.
We have been here before in 2017:
https://www.largeformatphotography.i...icro-LF-lenses
Gave up on all of them after the Wild/Leica M420 with fiber optic lighting system arrived solving this type of imaging very, very, very nicely.
Bernice
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