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 […]
Lenses and Optics
It’s not falling that hurts, it’s the sudden stop at the end. -Author Unkown Understandably, people are concerned with whether a new lens they buy is functioning properly and optically within specifications. One thing I harp on is that we also need to watch our lenses over time. Bumps, drops, and normal […]
Lenses and Optics
A few days ago I learned about the Metabones Speed Booster. For both of you who haven’t heard yet, this is an adapter containing optical elements and electronic controls that allows you to mount Canon EF lenses to Sony NEX cameras (other versions are planned for other lenses and cameras). The quick summary is the […]
Equipment
We got stock on two new 70-200mm lenses this week: the Nikon 70-200 f/4 VR and the Tamron 70-200 f/2.8 VC. I would have loved to do some side-by-side comparisons. They’re priced similarly and I expect a lot of Nikon shooters will be choosing between these two since both are quite a bit less expensive […]
Lenses and Optics
A while back we ran Imatest resolution numbers on a few copies of the Canon 24-70 Mk II. That was right at release time and the resolution was most impressive, but we only had 5 copies available to test. Over the next couple of months a number of reviews came out. Most seemed to consider […]
