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 ...

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 ...

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 ...

It's pretty hard to get by without at least rudimentary image editing skills, especially if you use social media. Each social site has its own unique way of displaying images, from your profile photo ...

A photo you want to upload or print for some purpose might be considered too “low resolution” to meet the needs of a site, printing, or online photo service. What options do you have? You can change ...