https://fallenangels2ndlife.dyndns.org/2015/04/17/m44-benchmark-mto-russentonne-mc-rubinar-tmb-80-triplet/
M44 Benchmark MTO (Russentonne), MC Rubinar against a 80mm triplet APO - fallenangels2ndlife
Jan 22, 2017 - I experiment a bit with an Rubinar and a MTO Russentonne 500mm lens, which I recently acquired second-hand. Here a snapshot fully manual settings with the RT...
benchmarkmtorubinartripletapo