I thought I would post a compilation of 4 images showing the results from 4 different lenses. I've left the Nikon 28 f2.8 out because of the poor performance of the lens. I'll repeat here that the poor performance was due to a bad copy of this lens, and if you should purchase a good copy the performance should be up there with the best. My 50, 100 and 135 E Series Nikon lenses perform very well indeed on the Nex and m4/3 cameras.
Opening the image to full size it's easily visible that the Pentax Takumar (top right) has the best rendition and sharpness of all the lenses. The colour is also better to my eye but this is easily corrected in post.
The Olympus OM 28 f2.8 came in second (top left). These 2 images were taken just seconds apart.
The bottom 2 images taken with the Sigma and Vivitar lenses were taken several days later so the lighting is a little different. Both don't come close to the Takumar. They do however, look so similar that I would have said the lens is from the same manufacturer, but I don't believe this to be the case. Why? I'll post the reason tomorrow.
Opening the image to full size it's easily visible that the Pentax Takumar (top right) has the best rendition and sharpness of all the lenses. The colour is also better to my eye but this is easily corrected in post.
The Olympus OM 28 f2.8 came in second (top left). These 2 images were taken just seconds apart.
The bottom 2 images taken with the Sigma and Vivitar lenses were taken several days later so the lighting is a little different. Both don't come close to the Takumar. They do however, look so similar that I would have said the lens is from the same manufacturer, but I don't believe this to be the case. Why? I'll post the reason tomorrow.
