Lenses and Optics

Seeing the Numbers

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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 […]

Recommendations

Roger Buys a Camera System: Finally

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OK, I’ve taken a long route, but narrowed things down to a Nikon D800e based system, a Canon full-frame system, or a Pentax K-5 IIs system. All of them met my needs just fine, although the D800e system gave me better image quality and the Pentax a bit less. Let’s Begin With: Don’t Do What […]

Equipment

Roger Buys a Camera System: Refining My Choices

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In the earlier portions of this process, I have: 1) Gotten a quick idea about the relative importance of lens versus sensor resolution 2) Screened for camera systems that might meet my needs 3) Investigated the rough cost of candidate systems After some preliminary screening I had decided to investigate several full-frame and several APS-C […]

Lenses and Optics

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 […]

Equipment

Roger Buys a Camera System: So What’s This Going to Cost?

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Lensrentals, 2013   In my last post I made a preliminary list of systems I was going to consider. Some people are a little surprised I’m considering crop sensor cameras. I’m surprised that they’re surprised. I’ve shot with a micro 4/3 system for months and it certainly met 80% of my needs, so an APS-C […]

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