Photo Art from Science

Detailed analysis and tips on how to make best use of this 10-stop neutral density filter.

Learn about an easy way to accurately measure lens focus speed using in-camera video.

You can see wildly-varying lens resolution measurements for the exact same lens model out there on the internet. This may be why.

Do you really need to turn off lens vibration reduction on a tripod? Get some real answers to this question.

If you have a lens that generates that dreaded hotspot in the middle of your photos when you try infrared photography, you can fix it.

Flashpoint Wave Commander review. It's a powerful camera intervalometer combined with a simple remote shutter release.

Find out if cropped D850 shots are just as good as un-cropped D500 shots. With real measurements.

Find out how Sony XQD and Lexar Professional 1000X cards perform with the Nikon D850 camera shot buffer.

Sigma lets you program their lenses with different autofocus algorithms. This article explains why you really need this feature.

Review of the Sigma TC-1401 Teleconverter on their 70-200 f/2.8 Sport lens. See just how good it is with real measurements.