autofocus

Two silver camera lenses from the brand Sirui are placed side by side on a dark surface against a warm, blurred background. The lens on the left is labeled 16mm F1.2, and the one on the right is labeled 75mm F1.2.

Sirui Expands ‘Sniper’ APS-C Series With 16mm and 75mm f/1.2 Lenses

Sirui has announced the expansion of two new autofocus lenses for its budget-friendly f/1.2 Sniper series. The addition of the $399 16mm wide-angle and 75mm telephoto lenses for the APS-C system complements existing 23mm, 33mm, and 56mm lenses, offering creatives a much more comprehensive set of tools to capture whatever life throws at them.

Chinese Lens Showcase

Chinese Lenses Don’t Always Seem Like Cheap Toys Anymore

I have to admit that I haven't given enough time to review the many, many lenses that are coming to us out of China. The only thing harder than knowing which Chinese camera companies belong to which other camera companies is knowing how to pronounce the often strange naming conventions given to the brands.

How Autofocus Works in Photography

When it was first introduced, many people sharply believed that autofocus would never have a clear place in the photography industry, puns intended. Why have a machine guess where to focus when you can just turn the focusing ring yourself? Today, autofocus systems are among the primary selling points for new camera and lens technology.

SuperMonkey

Hands-On with the Sigma 60-600mm f/4.5-6.3 Sports Lens: Lots to Like

The Sigma 60-600mm for Sony E-Mount is a versatile, compelling, and unique lens with a mindblowing 10x optical zoom range. As with any all-in-one lens, it’s not without its compromises, and the $2000 price puts it up against Sony’s native FE 200–600mm f/5.6–6.3 G OSS, even though the Sigma has a more versatile zoom range.