Learn about the speed, image quality, and general performance tests we run on every digital camera and lens we review. Images, and the devices that capture them, are my focus. I've covered cameras at ...

Cameras capture the best shots when paired with proper lenses suited for specific use cases. High-end lenses can go up to thousands of dollars and need proper care due to their delicate glass ...

We may receive a commission on purchases made from links. When it comes to photography, the right lens can make all the difference. You can improve how wide the angle of the photo is, how crisp it is, ...

In a machine-vision system, a camera lens serves one purpose: It gathers light and focuses an image on the camera's sensor. Thus, vision-system designers must treat lenses as key elements in ...

I ordered a used Sigma 30mm 1.4 for Nikon through a reputable camera dealer. It turns out they screwed up and sent me two samples and charged me twice as well.<BR><BR>I am going to make them take one ...

I recently tested the astroimaging capability of the 20mm Sigma f1.4 DG HSM Art lens with my two DSLR cameras. Released in fall 2015, this Sigma lens has 15 elements in 11 groups. The optics contain ...

Among portrait shooters, the 85mm f/1.4 or f/1.2 full-frame lens has been the time-honored holy grail of glass. Allowing dreamily defocused fore- and backgrounds that set off the subject to great ...