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Sigma 120-300mm f2.8 EX DG HSM lens introduction

Ilse Jurriën : 2005-05-23 23:15:11
Sigma 120-300mm f2.8 EX DG HSM : Sigma is pleased to announce the launch of the new Sigma 120-300mm f2.8 EX DG HSM lens, a digitally optimised telephoto zoom lens covering ultra-telephoto up to 300mm with a fast maximum aperture of F2.8 at all focal lengths. This lens represents a revolutionary leap forward in ease of use. This was achieved by transforming a large-aperture 300mm F2.8 lens into a zoom lens that allows you to determine the picture composition you want without having to change your vantage point. It has two SLD (the special low dispersion) glass elements in front group and another element of SLD is being used for rear group for excellent correction of chromatic aberration.


Sigma 300mm F2.8 APO EX DG HSM lens introduction

Mark Peters : 2005-05-21 19:02:41
Sigma 300mm F2.8 APO EX DG HSM lens : The Sigma Corporation is pleased to announce the launch of the new 300mm F2.8 APO EX DG HSM lens. A versatile, fast aperture telephoto lens for both digital and film SLR cameras. Two ELD glass elements reduce chromatic aberration to a minimum and also ensure sharp, quality images of high contrast. The new multi layer lens coating reduces flare and ghosting, which is a common problem with digital SLR cameras. The overall length of the lens does not change during focusing, ensuring convenient handling and ease of use. The new Sigma lens accepts both 1.4x and 2.0x EX Teleconverters to produce 420mm F4 and 600mm F5.6 Autofocus ultra telephoto optics.


Sigma 50-500mm F4-6.3 EX DG HSM lens

Mark Peters : 2005-05-19 23:00:15
Sigma 50-500mm F4-6.3 EX DG HSM lens : Sigma Corporation is pleased to announce the launch of the new 50-500 F4-6.3 EX DG HSM lens. This high zoom ratio lens is optimized for digital SLR cameras and capable of covering a wide range of focal lengths from 50mm standard to 500mm ultra telephoto. This ultra-zoom lens employs a seven-group zoom system, which provides a high zoom magnification of 10x. Triple-cam Rear Focusing System ensures high precision throughout the whole focus range. The new lens coating reduces flare and ghost, which is a common problem of digital cameras and also creates an optimum color balance. This lens uses four pieces of SLD (the special low dispersion) glass for excellent correction of color aberration.


Sigma APO 180mm F3.5 EX DG HSM lens introduction

Mark Peters : 2005-05-19 00:15:00
Sigma APO 180mm F3.5 EX DG HSM lens introduction : Sigma is pleased to announce the launch of the new APO 180 F3.5 EX DG HSM lens. This telephoto macro lens provides life-size reproduction and it is optimized for digital cameras. The new multi-layer lens coating reduces flare and ghost, which is a common problem with digital cameras. Two SLD glass elements ensure high optical performance for film SLR cameras as well as digital SLR cameras. The floating inner-focus system features two moving lens groups, which ensures that the lens’s physical length remains unchanged. This design also maintains great correction for Spherical Aberration and Astigmatism, and provides extremely high optical performance throughout its entire focus range.


Sigma 300-800mm APO F5.6 EX DG lens introduction

Mark Peters : 2005-05-07 17:30:00
Sigma 300-800mm APO F5.6 EX DG lens introduction : Sigma Corporation is pleased to announce the launch of the new APO 300-800mm F5.6 EX DG HSM lens. This digitally optimized lens covers the ultra-telephoto range up to 800mm and has a fast maximum aperture. Its new lens coating reduces flare and ghost, which is a common problem with digital cameras. It incorporates two ELD glass elements for effective compensation of chromatic aberrations and also ensure sharp, quality images. Since focusing and zooming do not change its overall length, this lens offers ease of handling and operation. The HSM ensures a quiet, high-speed AF function as well as full-time manual focusing capability for Sigma, Canon, and Nikon mount lenses.


Sigma 500mm F4.5 EX DG HSM lens introduction

Mark Peters : 2005-05-03 12:00:00
Sigma 500mm F4.5 EX DG HSM lens introduction : Sigma Corporation is pleased to announce the launch of the new 500 F4.5 APO EX DG HSM lens. This ultra-telephoto lens has a fast maximum aperture, and also features a new super multi-layer coating, which optimizes the characteristics of digital SLR cameras. Two ELD glass elements in the front lens elements reduce chromatic aberration to a minimum and also ensure sharp, quality images of high contrast. The overall length of the lens does not change during focusing, ensuring convenient handling and ease of use. The AF drive for Sigma SA, Canon and Nikon S.L.R. cameras features Sigma's ultra-quiet and high-speed Hyper Sonic Motor (HSM).


Around the world with Sigma lenses

Mark Peters : 2005-02-21 12:39:53
During our visit to the Sigma booth on PMA 2005, held in sunny Orlando - Florida, we spoke to Michiro Yamaki, President of Sigma Japan and Kazuto Yamaki. Just before the PMA 2005 kicked off, Sigma introduced a number of new lenses and adjusted a large amount of existing lenses in order to make them suitable for the digital reflex camera. Suspicion had raised amongst the passionate Sigma followers, that Sigma had taken a number of lenses with a fixed focal length out of production and at the same time decreased their assortment of lenses. But nothing like that, in fact the opposite happened: Sigma jumped on the growing market segment of digital reflex cameras, and equipped a huge amount of lenses with DG EX features.


Sigma 30mm F1.4 EX DC HSM lens introduction

Dennis Hissink : 2005-02-13 16:00:00
Sigma 30mm F1.4 EX DC HSM lens introduction : Sigma Corporation is pleased to announce the launch of the new 30mm F1.4 EX DC HSM lens. This large aperture Sigma 30mm F1.4 EX DC HSM lens is designed to match the APS-C size image sensors of digital SLR cameras. Two SLD glass elements are especially effective in the compensation of magnification chromatic aberration. Glass mold aspherical lens at rear group of lens reduces color aberration and provides high-quality image results. From 40cm (15.7") minimum focusing distance to infinity, this lens creates very sharp images with high contrast. The HSM models provide quiet high-speed auto-focus shooting, as well as full-time manual focus.






Nikon D750
Sigma DP1 Merrill
Sigma SD1 Merrill
Sigma Merrill digital cameras
Sigma SD1 Wood Edition
Sigma SD1
Sigma DP2X
Sigma SD15 kit
Sigma SD15
Sigma DP1x
Sigma DP2s
Sigma SD15
Sigma DP2
Sigma DP1
Sigma SD14
Sigma DP1
Sigma DP1 hands-on
Sigma SD14
Sigma DP1
Sigma SD14
Sigma SD10
 
   
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