Latest about F-Number
Best 50mm lens in 2026: which 'nifty fifty' is the right choice for you?
Updated The best 50mm lens, or standard prime, is a great low-cost wide-aperture lens for bokehlicious portraits and shooting in low light
Tamron 70-180mm F2.8 Di III VC VXD G2 review: this next-gen alternative ‘trinity’ telephoto zoom has even more to offer
review New and improved, the Tamron 70-180mm F2.8 Di III VC VXD ‘Generation 2’ combines inherited finery with evolutionary features for Nikon and Sony shooters
What is aperture in photography? The "f-number" is actually key to taking better photos
TUTORIAL What is aperture in photography? Here's what you need to know – and how it affects your images
Olympus M.Zuiko 17mm f/1.8 review
review The Olympus M.Zuiko17mm f/1.8 is a super-teeny Micro Four Thirds lens with real bite
Canon EF 16-35mm f/4L IS USM review
REVIEW Reasonably priced for a Canon L-series lens, the EF 16-35mm f/4L IS USM is also a top performer
Photography cheat sheet: What are f-stops and how to understand them
Cheat sheet What are the f-stops on your camera or lens? And what kind of effect does changing them have? Our chart explains all
Best Canon standard zoom lenses: for Canon DSLRs, EOS R and EOS M
Buying Guide We've rounded up the best Canon standard zoom lenses available, covering both DSLR and mirrorless options
The best Canon EF-M lenses: my top choices for EOS M system cameras
Updated These are the best Canon EF-M lenses for the EOS M50 & M50 Mark II, M6 & M6 Mark II, M5, M100 and M200
