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Resolution

What is the resolution of the human eye? Well, it’s complicated

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Resolution is an often complex topic but even more so when it comes to how it relates to human vision. And it’s kind of a two-part question, to begin with. What resolution do cameras need to be to capture what the human eye sees? What resolution do screens need to be for the human eye to not be able to see the individual pixels?

But it’s even more complex than that, as this video from Vsauce explains. This isn’t a new video, but it seems to have popped back up to the fore again recently. I thought it was pretty fascinating, especially as the resolution debate never seems to end and we haven’t featured it here on DIYP before. So, here it is.

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Mythbusting: Megapixels don’t matter – fewer doesn’t mean better low light performance

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If there’s one big giant myth that’s persisted since the dawn of digital photography, it’s that lower resolution means better low light performance. If you need to shoot a lot of low light stuff, get that lower resolution camera and your images will look better, right? That’s been the common narrative for years now and it seems to make sense, although it’s never really been true.

The resolution of a camera has never really been a factor for me when it comes to which body I grab – at least not as far as low light performance goes – but in this video, Chris and Jordan at DPReview TV explain why it’s a myth and why everybody’s been looking at this topic completely wrong for all these years.

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Can you tell the difference between 1080p and 8K?

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For a few years now, we’ve been hearing “4K’s overkill. You can’t tell the difference over 1080p!”. Lately, we’ve been hearing the same about 8K over both 4K and 1080p. But can you really tell the difference between 8K and 1080p?

That’s the topic Matti Haapoja explores in this video, which begins with a sequence shot using a mix of 1080p and 8K footage shot on the Canon EOS R5 – without labels on anything. Can you see the difference between them?

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Why your camera’s resolution doesn’t matter when you print images

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Does your camera resolution matter when you need to choose the side of the print? This is what many people wonder, and basically, it’s not important. If you can take a photo with your camera, print it at 6 x 4 inches and be happy with it – you can print that same photo in basically any size that you like. In this video, James Popsys will tell you in a simple language why megapixels aren’t important when choosing the size of your print.

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Top three photography business housekeeping tasks to get done the first month of 2017

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There’s nothing like the new year to start things off on the right foot. Unlike making a New Year’s resolution to go to the gym or give up gluten, this year I’ve prioritized the top three photography business tasks that I want to get done the first month of 2017.[Read More…]

Does size matter? DPI (dots per inch) for printing explained

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There are plenty of misconceptions about the number of pixels, resolution, image size and so on, which can make us quite confused sometimes. To make things worse, the terms DPI (dots per inch) and PPI (pixels per inch) are often used interchangeably, which makes the understanding even more difficult.

Essentially, DPI is important for printers. It’s a number of color dots printer uses to reproduce colors of the image. It’s also used for screen resolution, although PPI can also refer to screens as well. PPI applies to everything in relation to resolution and the size of a digital image.

In this video, you will see a brief explanation about DPI and how important is this value for printing big formats. How big is big enough? Does size matter at all?

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Everything You Need To Know About Depth of Focus and Lens Equivalency

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After learning about the history and science of lenses, and gaining some knowledge about the properties of modern lenses, it’s time to take a deeper look at depths of field and how it’s affected by sensor size.

Kick back as John Hess of Filmmaker IQ takes us on a 17-minute long journey through the optics, the terms and the calculations that will help you understand how depth of field works once and for all.

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