the last word

This is the second in a series of tests on the Sony 100-400 f/4.5-5.6 GM zoom. The series starts here. There are two pieces to bokeh. The first is what things look like when they are well out of focus (OOF), and the second is how the transition from OOF to in-focus happens. The second is… [Read More]

Today, after a long wait, I received an FE-mount Sony 100-400 f/4.5-5.6 GM OSS lens. I’ll be reporting on it for the next week or so. First thing I do these days when I get a new lens is run the Siemens Star test on it, in order to detect manufacturing errors. The test is… [Read More]

I was recently invited to create the material for a page on the Center for Photographic Art website devoted to my work. One of the things they wanted was what they called an Artist’s Statement. I’d done those for particular bodies of work before, but this was different: a couple of hundred words that summed up… [Read More]

This is the eighth in a series of posts about the Voigtlander 65 mm f/2 Apo-Lanthar macro lens. The series starts here.  In this post, I showed 65 mm f/2 Apo-Lanthar center and corner performance at f/2 and at a 1:2 reproduction ratio. Unsurprisingly, the corners were slightly softer than the center. I have improved my… [Read More]