Nikon announces 10-24mm F3.5-4.5G ED lens

Nikon has announced the AF-S DX Nikkor 10-24mm F3.5-4.5G ED, an ultra-wideangle zoom for DX format DSLRs. This mid-range optic offers a minimum focus distance of 0.24m through the entire zoom range, and includes a built-in AF-S motor that enables autofocus on entry-level Nikon bodies (including the D5000 also announced today). The optical formula consists of 14 elements in 9 groups, including 3 aspherical elements and 2 ED glass elements to combat aberrations. It will be available from May at a cost of €849.

Nikon announces 10-24mm F3.5-4.5G ED lens

Nikon has announced the AF-S DX Nikkor 10-24mm F3.5-4.5G ED, an ultra-wideangle zoom for DX format DSLRs. This mid-range optic offers a minimum focus distance of 0.24m through the entire zoom range, and includes a built-in AF-S motor that enables autofocus on entry-level Nikon bodies (including the D5000 also announced today). The optical formula consists of 14 elements in 9 groups, including 3 aspherical elements and 2 ED glass elements to combat aberrations. It will be available from May at a cost of €849.

Panasonic launches Lumix G Vario HD 14-140mm lens

PMA 2009: Panasonic has today announced a new image-stabilized Micro Four Thirds superzoom lens to accompany the DMC-GH1 body. Designed specifically for video as well as photo use, the Lumix G Vario HD 14-140mm F4.0-5.8 ASPH Mega OIS incorporates a new silent focusing system which allows continuous AF during movie recording and a stepless aperture control. The 28-280mm equivalent focal length range is achieved in a body that is about 10% smaller and lighter than the company's previous equivalent for Four Thirds. Distortion and chromatic aberration are minimised using four aspherical and two Extraordinary Dispersion glass elements, and the aperture uses 7 rounded blades for smoothly blurred backgrounds.

Panasonic releases Lumix G Vario 7-14mm lens

PMA 2009: Panasonic has today broadened the perspective of the Micro Four Thirds system with the announcement of the Lumix G Vario 7-14mm F4 ASPH ultra wide-angle zoom. This new lens takes full advantage of the short  back focus distance of Micro Four Thirds to reduce the size and weight dramatically compared to similar  lenses, to just 70mm x 83mm and a mere 300g. Two Aspherical elements and four Extraordinary Dispersion glass elements are used to reduce distortion and chromatic aberration, and a built-in petal-shaped lens hood protects against flare from stray light.

Sigma announces 10-20mm f3.5 EX DC HSM lens

PMA 2009: Sigma has announced an ultra-wide angle zoom, the 10-20mm F3.5 EX DC HSM. This new design squeezes a relatively fast F3.5 constant maximum aperture into a body about 10% larger in each dimension than the company's popular 10-20mm F4-5.6 EX DC HSM. The lens has a minimum focus distance of 24 cm (9.4 inches) throughout the zoom range, and features two Super-Low Dispersion glass and two Extraordinary-Low Dispersion glass elements for the correction of chromatic aberrations. It is designed for cameras with APS-C/DX sensors, and will be available in mounts for Sigma, Canon, Nikon, Sony and Pentax DSLRs.

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