Category » Roger’s Ramblings

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Geek Articles

Is Your Camera Really The Best Optical Test?

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“But you must not eat from the tree of the knowledge of good and evil, for when you eat from it you will certainly die.” Genesis 2:17. I have enjoyed, for some years now, the process of learning about lenses and optics. This blog shares a lot of what I’m in the process of learning. A lot […]

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Lenses and Optics

The (sort of) Great 400mm Lens Shootout!

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I get asked a lot about different telephoto lenses. Is the 400 DO II better than the 400 DO? Which is better, the Tamron 150-600mm or the Sigma 150-600mm? You’ve probably noticed that I don’t answer those questions. The reason is simple. Our optical bench is designed to test lenses up to 2.5kg weight and […]

Metro Goldwyn Mayer

Photography

Pay Attention to the Man Behind the Curtain

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  A Reasonably Non-Geeky Guide to Lens Tests and Reviews Hardly a day goes by that on some forum somewhere a nasty argument is going on about lens testing and reviewing. (Going forward, I’m going to use the abbreviation R/Ts for Reviewers and Testers.) As with all things on the internet, these discussions tend to gravitate […]

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Humor and sarcasm

My Third Grader Analogy for Lens Reviews and Testing

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I make a joke about this sometimes, but I think it’s more and more appropriate. Every day, I see more and more people take some single bit of data published on a lens and extrapolate the entire meaning of the photographic universe from that bit of data. My joke has always gone, “a single lens analysis […]

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Equipment

Roger’s Only Slightly Angry Father’s Day Gift Suggestions

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I will admit I’m a nightmare to buy gifts for. If I want it, I generally have already bought it. So my kids tend to dread Father’s Day because they have to find a gift that I want that I haven’t realized I want yet. Well, that’s how it should work in theory. In practice, […]

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