01-28-2017, 01:23 PM
Quote:The Canon has a wider mount diameter and lbetter placement of contacts They have more room, and also the aperture of a 105mm f1.4 is a tad bigger, making the narrow mount a bigger issue.
The vignet does seem high to myself for a short tele. THe canon 85f1.2 for example has less vignet but is a stop faster but maybe taht is not a fair comparison. -