Sony A7 vs A7R

Sony A7 vs A7r

With Sony taking over the major headlines this week, a number of our readers have been asking about the differences between the Sony A7 and A7R – two new full-frame interchangeable lens mirrorless cameras. As I have written in this article, Sony’s full-frame mirrorless cameras are shaking up the camera market and could potentially influence… read more »

Upcoming Carl Zeiss lenses for Sony E and Fujifilm X mounts

Carl Zeiss Touit 12mm f2.8 Lens

For quite some time now photography enthusiasts have been very eager to know what Carl Zeiss has in store for Sony E-mount and Fujifilm X-mount cameras. Ever since the legendary optics manufacturer announced that it will be making autofocus lenses for the two mirrorless camera systems, they’ve never stopped receiving requests for more details on… read more »

How to Read MTF Charts

How to Read MTF Charts

When my article on field curvature was published a while ago, where I talked about how one could do a quick analysis of lens MTF data and determine if it exhibits any field curvature, some of our readers expressed interest in understanding how to read MTF charts. Since we talk quite a bit about lens… read more »