Originally posted by Kentax Did a side by side comparison of the FA 1.4 and M 1.7 today and noticed the images from the 1.4 were softer then the 1.7. Is it possible I received a defective lens? Or does the 1.7 produce sharper images?
I have an FA 50 and a M 50 version. I do find the f1.4 softer wide open than the f1.7 wide open, they look the same as f2.8 and up (razor sharp) Generally it's true for most lens that they aren't at their best wide open.
Also, my FA-50 front-focus ever so slightly. I don't think it's really the camera since my Sigma17-70 has razor sharp pinpoint focus, that makes a big diff when shots are taken wide open.
Did you take the test shot wide open or with same aperture?