Lenses and Optics
Obviously I’m a gearhead, so I like to know the traits of the lenses I shoot with. I want to know what aperture gives maximal corner sharpness, for example, whether the plane of focus is curved or flat, where the distortion changes in a zoom, which end of the zoom range or focusing distance is […]
Lenses and Optics
Well, for the first time I’ve totally caved to popular demand and done a test I had little interest in doing. But after I did a Quick-Take post on the new Nikon 80-400 AF-S VR lens I received about two-dozen emails and comments asking if the 70-200 f/2.8 AF-S VR II lens with a Nikon […]
Lenses and Optics
Entekaphobia – fear of the number 11 Or. . . How I Learned to Appreciate Small Aperture Photography If you read my blog much, you know I’m a resolution fanatic. I test every new lens for resolution. For personal use, I’ll choose the lens with higher resolution over the one with creamy bokeh every time. […]
Lenses and Optics
My view of lenses is often colored by measurements, numbers, taking them apart, and other geeky things. I also take photographs with them. One of the things I’m always interested in is comparing my measurements with actual photographs. When Uwe Steinmueller from The Digital Outback suggested we compare the same lens from both perspectives it […]
Lenses and Optics
When someone tells you that something defies description, you can be pretty sure he’s going to have a go at it anyway. – Author Unknown A lot of my posts about lens resolution consist largely of showing the MTF 50 numbers from Imatest or our optical bench. That leads to a lot of questions about […]
