Does anyone have experience with the Schneider Kreuznach Macro Varon lens, the one that has an adjustment for distance that moves the inner elements to remove various aberrations? I believe this is a wonderful idea, to rearrange the inner lens to correct for various distortions related to distance. I would like to learn more about this.
https://www.schneideroptics.com/pdfs/industrial/MacroVaron%20Brochure.pdf
