Category A Brief History of Early Lenses: Part 1

History of Lenses

Geek Articles

A Brief History of Early Lenses: Part 1

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We are all recent-centric. We tend to think the technology we use didn’t exist until last year or so, even though the roots of it go way back. Phone apps are a great example. I have a dozen little apps on that phone that do things like calculate depth of field…

Why Lens Manufacturers make Specific Lenses

Geek Articles

Why Manufacturers Make a Specific Camera Lens

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There is a lot of online discussion about why a manufacturer made this lens when they so obviously needed to make that other lens. Or why this manufacturer’s design is better than that manufacturer’s magical solutions. So, I thought I’d share the second-hand information I have about the process because it’s probably better than the made-up speculation I read online.

Geek Articles

Understanding the Difference in Global and Rolling Shutters

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When getting started on video, you may run into a common problem, with no easy explanation of what’s going on. During quick pans, your footage may look like jello, or when recording video of rotating objects, they may look like they’re rotating slower than they are, or not at all. These are all common problems […]

Geek Articles

Understanding Light Control – Photographing Black on Black and White on White

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If you’ve dabbled in off-camera lighting or even natural lighting at times, you’ll quickly discover how difficult working with white can be. It’s no surprise that many people ask their subjects specifically not to wear white clothes, as it’s easy to blow out the highlights and ruin an otherwise good photoshoot. Shooting white, especially when […]

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