A100/2.8 It's good. My working distance is about 6 to 7 ft. and I get a good bust shot. (From the ribs up.) It's a good working distance. And they're a LOT cheaper than the 85/1.4, though admittedly slower. With modeling lights on full it bright enough with my Super Program.
To lower your costs further, get the M100/2.8 & have Mark Roberts modify the mount to "A". You might save a few more bucks. Or even a few �.
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