Tamron is working to develop a 14-150mm zoom lens for Micro Four Thirds system cameras.

Olympus is set to launch a new 17mm f/1.8 prime lens for the Micro Four Thirds system.

Canon has announced two new additions to its EF lens range: the new EF 24-70mm f/4L IS USM and EF 35mm f/2 IS USM. The extensive EF range, which can be used with full-frame and APS-C sensor EOS cameras, now comprises more than 75 lenses.

Tamron has two new lenses slated for release in early January 2013 - a 70-200mm f2.8 zoom and a fixed focal length 90mm f2.8 macro lens.

Olympus has released a 60mm macro lens for its Micro Four Thirds system cameras and has two more prime lenses in development.

Lens manufacturer Tokina has released a compact 300mm telephoto mirror lens for cameras with a micro Four Thirds mount.

Sony has added a new long-distance telephoto zoom to its growing range of A-mount lenses.

Fujifilm plans to launch seven new lenses for the Fujifilm X-Pro1 by early 2013, bringing the total number of Fujinon XF lenses to ten.

Fujifilm is set to release a premium wide conversion lens for its X100 digital camera.

Nikon has announced two new lenses, a 24-85mm zoom for its professional full-frame range of DSLRs, and an 18-300mm zoom for its reduced-format APS-C range.

Tamron is set to release a new 24-70mm zoom with built-in stabilisation and a fast maximum aperture of f2.8 across the zoom range.

Rather than producing a round in-focus "sweet spot" like other Lensbaby optics, the new Edge 80 works more like a tilt-shift lens with a sharp line of focus surrounded by soft blur.

Olympus' new 12-50mm zoom lens for the Micro Four Thirds system is dust- and splash-proof and includes a motorised zoom mechanism for smooth video.

Tamron is set to launch its first E-mount lens for Sony's NEX-system cameras, the 18-200mm f/3.5-5.6 Di III VC.

Samyang Optics' first lens for the micro Four Thirds system, the Samyang 7.5mm 1:3.5 UMC Fish-eye MFT, is expected to be available before October this year.