Lenses and Optics

Have You Seen My Acutance?

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Have you seen my acutance? A few words about sharpness and MTF charts Many of you know one of my pet peeves is strident internet arguments between photographers who are splitting hairs or misinformed. One major cause of these arguments is terminology: people use a nonspecific term which means something different to each of them. […]

Recommendations

Choosing a Ballhead

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My last blog was about choosing tripod legs, now we’ll move on to choosing a ballhead to complete the package. One thing to get out of the way first: I’m not going to consider pan-tilt heads (the ones with handles that stick out that you twist and rotate, often seen offered in eBay ‘package deals’—Comes […]

Recommendations

Choosing a Tripod

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Unlike lenses, there’s no Tripod Review Site—it’s pretty hard to measure things like ‘degree of sway per given load’ or ‘time to set up’ or ‘tilt over and crash quotient’. So I thought I’d write about choosing a tripod and ballhead. It would take a couple of days, and I’ve got time I thought. One […]

Roger's Corner

Reviewing the Review Sites

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Here’s Roger’s Law of Online Photography forums: “those who seek anonymity need it.” My online name on every forum is either RCicala or RogerCicala. If I say something stupid on one, you can not only call me out on it there, you can send me an email here. Many people have done so over the […]

Technical Discussions

Lens Repair Data 3.0

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What is this? It has become our practice to publish our lens repair data every 6 months. We started it at the request of some customers who felt the large number of lenses we deal with and the harsh conditions they are subjected to provided an opportunity to get some factual data about which lenses […]

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