The Sigma 18-35mm f/1.8 DC HSM announced today is the first ever zoom lens to achieve a wide constant aperture of f/1.8 throughout the zoom range. Find out all the key specs of this new Sigma lens.
There are many different types of lenses available to photographers, as we all know, and the type of lens you choose to fit on your SLR will determine how your end results will look. The main consideration is focal length. Focal length is the distance between the optical centre of a lens and the sensor, [...]
Canon has announced three new EF lenses to add to its range, a 24-70mm f/2.8 ‘L’ series lens is joined by 24mm and 28mm fixed focal length prime lenses.
First up, the new EF 24-70mm f/2.8 L II USM lens is added to Canon’s professional line and is an upgrade to the previous standard zoom lens.
Tamron has announced a new fast, 24-70mm f/2.8 standard zoom lens, which is available in mounts compatible with Sony, Nikon and Canon DSLRs.
The new lens comes equipped with Tamron’s Vibration Compensation (VC) image stabilisation and Ultrasonic Silent Drive, which is designed to help when shooting handheld.
Also, like the Canon, this Nikon lens lacks a focus distance scale. On this lens the manual focus ring looks almost like an afterthought tacked on to the front end of the lens.