As part of our image quality testing for the Canon EOS Rebel SL1, we've shot our resolution chart with our standard Sigma 50mm f/1.4 lens mounted. If you view our crops of the resolution chart's ...

Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you’re buying the best. Find out more about how we test. As part of our image quality testing ...

For mobile phones and portable devices with small screens: 320 x 240 pixels 72 ppi For emails, online sharing sites and viewing on standard computer monitors: 1024 x 768 pixels 72 ppi Viewing at ...

If you want to check if your cameras and lenses really are 4K or even 8K ready, Image Engineering has designed new 4K and 8K high resolution test charts to show the smallest structures your system can ...

Update on July 28, 2014: We updated our original story to include a useful resource from Sprout Social, which includes more in-depth descriptions and dimensions for Google Docs. (H/t Kevin King) For ...

What would it look like if you put nearly every famous science fiction spaceship next to one another? This image. Artist Dirk Loechel has created a size comparison for dozens of ships. From Halo to ...

When you find a picture online that would be perfect for your project, it's hard to know whether you're allowed to use it. Follow this flow chart to know for sure and avoid getting yourself in any ...

When you want to upload your image on social media or a website, a common concern is whether the image turns out large or small. Even if your device has insufficient storage due to images that you ...