Latest about Apertures
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
What is exposure in photography?
WHAT IS It's the foundation of every image you take, so what exactly IS exposure in photography?
Sigma factory tour: We go behind the scenes to find out how some of the world’s greatest lenses are made
FACTORY TOUR We flew to Aizu, Japan to find out how some of the world’s best and most popular lenses are made at Sigma's one and only factory
The best 50mm lens: 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
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
Landscape photography composition: fill the frame with a wide angle lens
VIDEO Avoid lackluster landscape shots by paying attention to the foreground in your wide-angle compositions
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
The best Canon superzoom lenses: supersized zoom range for Canon DSLR and mirrorless cameras
Updated We pick the best Canon superzoom lenses for Canon DSLR and mirrorless cameras – single lenses to replace two or three!
