https://medium.com/on-film-scanning/vibration-proof-scanning-setup-is-your-rig-up-to-the-task-ffa4f5cfe100 I remembered this post, with test targets and lp/mm conversation. There are test images with the USAF Test Target info for the Sigma 70mm and A...
Understood. Data is king, but its is hard to acquire! Haha! As I understand it, and I could be wrong, most MTF tests are usually done at infinity. Macro lenses are not optimized for infinity but unfortunately commercial producers rarely change their ...
My sidebyside tests have been stellar on my R5 with the 70mm Sigma ART vs Canon EF 100L, especially into the corners at full 1:1. The 70mm is far superior. Closer to my Nikkor-Scanner lens than the Canon. I have not tested the RF mount version, thoug...
Thanks for the welcome!No confusion intended. I replied with the intention of helping the original poster, Robert. I clearly gave him more information than he had before with multiple options for his use case of >, =, and < his MWD needs. I was descr...
