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Diffraction made simple – Why your pictures are softer at f/22 than at f/8

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It’s something that all of us have run into at some point or another, particularly when we’re still learning the basics of photography. We learn that when we stop down our lenses, we get more depth of field and a sharper image. So, if I need the most depth of field, I should just stop it down all the way, and everything will be in focus and super sharp, right? Well, no, not exactly.

Diffraction is a topic that gets thrown around a lot when people start talking about stopping their lenses all the way down, but a lot of people don’t really know what it means. They’ve seen the effects, but how and why does it happen? In this video, ZY Productions explains what diffraction is, and how it affects your images.

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Be sure to check these for seven things when buying used lenses

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Buying used lenses is a great way to save some money, yet get a perfectly good piece of gear. But you want to make sure that the lens you’re buying is in good condition and that it will serve you well. Some problems are easy to spot, but others can be very sneaky and you may discover them too late. So, before buying that second-hand lens, make sure to watch this video from ZY Productions. It will tell you about seven things you should check to make sure that the lens is worth your money.

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One way or another, this video will help you understand the Inverse Square Law

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The Inverse Square Law pops up in photography often, particularly for users of flash or continuous LED lights. It’s a topic that still confuses a lot of people, although the mathematics of it can be translated into easy-to-understand practical terms. In this video, from ZY Productions, we get to see both explanations to satisfy both the maths geeks as well as those who just want to know what it means in the real world.

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Five things you may not know about Canon EOS R mirrorless camera

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Canon EOS R was launched two months ago, and so far we’ve learned a lot about it and seen a couple of reviews. But there are still some features that you may not know about. And in this video, ZY Productions brings you five things that the Canon EOS R hides among its settings. Did you know about them?

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256 shades of grey – 8 vs 10-Bit bit depth explained

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Bit depth is a term we hear floating around a lot in the worlds of photography and video. And, with the latter of those two topics, many confuse bit depth with bitrate. But what exactly is bit depth? In this video from ZY Productions, we look at the topic of bit depth to find out exactly what it means, and how it affects your images.

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How DSLR autofocus works and why cross type points are important

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For most people, exactly how phase detection autofocus in a DSLR works is a mystery. All we know is that the AF in the camera we’re using either sucks or it’s awesome. While autofocus can indeed suck, it often fails us because we don’t understand it enough to work around its potential pitfalls. This video from ZY Productions demystifies DSLR autofocus and explains why cross type AF points are a big deal.

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