Near the start of my NEX-7 postings, a reader asked me if I saw purple corners when the camera is used with wide angle lenses. I replied that I had noticed the effect with the 24 mm Elmar. I’ve had a chance to do some more reading and some more experimentation, and here’s what I’ve… [Read More]
Search Results for: focus accuracy
Sony NEX-7 — further thoughts
I now have had the chance to make about a thousand exposures with the NEX-7. While I continue to believe that the user interface is a big step up from the NEX-5, I have found many annoyances with the new interface. As mentioned in the previous post, the focus-assist button is hard to find when… [Read More]
Sony NEX-7 OOBE
When the Sony NEX-7 was announced last summer, I was immediately intrigued. In addition to more resolution – not an unalloyed blessing with an APS-C size sensor – it looked like Sony had completely reworked the NEX-5 controls, adding two thumbwheels in addition to the five position button on the back. I hated the user… [Read More]
Wag the dog part 7
When I started putting Leica lenses on the Sony NEX-5, I assumed that just about any Leica lens was going to be a big step up from the Sony 16mm that comes with the camera (you can also get the camera with the 18-55 mm zoom). I was surprised to find image quality to be… [Read More]
Antialiasing, part 1
The following question came up in a photography mailing list: “…could you explain the thinking behind the evils of the antialiasing filter on DSLR’s? Why are they needed and what are their advantages/disadvantages and why don’t 2 1/4 digital backs have them, or do they?” Since there seems to be general interest in this topic,… [Read More]