USM stands for Ultrasonic Autofocus Motor. These lenses offer manual focus override and fast, smooth and comparatively quiet ...

The EF lens was introduced in 1987 as the dedicated lens system for Canon’s EOS autofocus single-lens reflex film camera, debuting simultaneously with the EOS system itself. Since their inception, EF ...

Join me as I test the Canon RF 100-300mm F2.8 lens across stunning French landscapes and cityscapes. See how this telephoto performs in real-world photography! #CanonRF #PhotographyInFrance #Telephoto ...

Canon offers a wide range of exceptional lenses for photographers. The L series, for instance, is pretty great for any ...

Central sharpness is very good at f/1.8 and f/2, excellent from f/2.8 through to f/5.6, very good from f/8 to f/16 and fair at f/22. The edges are good at f/1.8 and f/2, very good from f/2.8 to f/5.6, ...

UPDATE (October 11, 2025, 8:46 p.m. ET): This piece has been updated because, following publication, many fired employees began receiving emails communicating that despite the earlier notice, they ...

The Laowa 200mm f/2 AF FF gives a slight feeling of déjà vu. There used to be equivalent Canon and Nikon lenses for DSLRs, but both were nearly twice the weight and are now obsolete. I really like ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. That's hardly a huge price to pay, but it does mean you should be a little more selective when ...

Laowa has officially launched its 200mm F2 AF lens for full-frame cameras. The new telephoto prime for Sony E, Nikon Z and Canon EF mounts promises pro-level quality and features yet comes in at ...

NSG 346L - Adult Health I Conditions Across the Lifespan I Lab ...