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Category Archives: Lenses and Optics

Nikon 24-120 f/4 VR Revisited

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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 [...]

Optical Tune Ups

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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 [...]

Metabones Magic?

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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 [...]

Quick Resolution Tests on Two New 70-200s

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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 [...]

Scoping Out Digiscoping

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Digiscoping I've always been a bit fascinated by digiscoping. For those who are out of the loop, digiscoping involves taking images through a spotting scope rather than a camera lens. The advantages are obvious. A spotting scope provides magnification equivalent to a lens of 1,250 to 3,000mm. Who wouldn't want that? Not to mention a [...]