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Sigma teleconverters

Jasper Huitink : 2005-10-06 06:50:12
Sigma teleconverters : Today Sigma officials announced two new tele-converter lenses: the APO tele converter 1.4x EX DG and APO tele converter 2x EX DG. Both have a multi-layer lens coating to reduce flare and ghosting, which will not effect the quality of the other lens in use and high speed auto focus is retained when the converters are used. Digitally optimized tele-converters, exclusive to Sigma’s telephoto and telephoto zoom lenses. New multi layer lens coating and lens design reduce flare and ghosting. The high image quality of the master lens will not be compromised thanks to this new design concept. High-speed Auto Focus is retained even when these tele-converters are utilized.


Sigma 28-200mm f3.5-5.6 DG Macro lens

Ilse Jurriën : 2005-09-18 22:28:00
Sigma 28-200mm F3.5-5.6 DG Macro lens : The Sigma Corporation is pleased to announce the launch of the new 28-200mm F3.5-5.6 DG Macro lens. This compact, high-zoom ratio lens is designed to suit the special characteristics of digital cameras. The new multi-layer lens coating and lens design reduces flare and ghosting, and creates an optimum color balance throughout the entire zoom range. Two aspherical lenses ensure excellent correction for all types of aberration. The lens displays a high level of optical ability throughout the entire zoom range for digital and film SLR cameras. This lens has a minimum focusing distance of 48cm (18.8”) throughout the entire zoom range.


Sigma 28-105mm f2.8-4 DG lens

Ilse Jurriën : 2005-09-18 22:24:00
Sigma 28-105mm f2.8-4 DG lens : Sigma Corporation is pleased to announce the launch of the new 28-105 f2.8-4 DG lens. This large aperture standard zoom lens provides superior performance both for Digital SLR Cameras and 35mm Film SLR Cameras. This standard zoom lens covers frequently used focal lengths from 28mm to 105mm and allows a large aperture of f2.8 at the 28mm focal length. It is very convenient for a wide range of applications including snap shots, indoor photography. The new multi layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras, and also creates an optimum color balance throughout the entire zoom range.


Sigma APO 100-300mm f4 EX DG HSM lens

Ilse Jurriën : 2005-09-18 22:22:00
Sigma APO 100-300mm f4 EX DG HSM lens : Fast aperture telephoto zoom lens that provides excellent optical performance for Digital SLR cameras and film SLR cameras. This telephoto zoom lens provides a large f4 aperture at all focal lengths. The new multi layer lens coating and lens design reduce flare and ghosting, and also maintains minimal light-fall-off, superior peripheral brightness is ensured. New multi layer coating of this lens gives superb color performance whilst cutting down flare and ghosting caused by reflections from the digital image sensor. Two SLD glass elements are used in the front lens group and two in the rear lens group for superior correction of several aberrations for superior image quality throughout the entir


Sigma 28-70mm F2.8-4 DG lens

Ilse Jurriën : 2005-09-18 22:20:00
Sigma 28-70mm F2.8-4 DG lens : Sigma Corporation is pleased to announce the launch of the new 28-70 F2.8-4 DG lens. This compact, large aperture zoom lens is ideal for digital and 35mm SLR cameras. The new multi layer lens coating and lens design reduce flare and ghost, and also creates an optimum color balance through the entire zoom range. An aspherical lens element is used for excellent correction of distortion throughout the entire zoom range. This lens’ excellent performance makes it an ideal lens for Digital SLR Cameras as well as film SLR cameras. This standard zoom lens has a large aperture of F2.8 at 28mm focal length and yet it is compact and lightweight, with an overall length of 62.5mm (2.5”) and weight of 255g. (9oz.).


Sigma 28-300mm DG Macro lens introduction

Dennis Hissink : 2005-07-19 22:30:00
Sigma 28-300mm DG Macro lens introduction : Sigma is pleased to announce the launch of the new Sigma 28-300mm F3.5-6.3 DG Macro lens. This digitally optimized zoom lens provides a high zoom magnification of 10.7x. The new Sigma 28 - 300mm Macro lens coating reduces flare and ghosting, a common problem with digital cameras and also creates an optimum color balance. The 10.7x zoom ratio covers a wide range of focal length from wide angle to tele-photo making this a highly versatile lens ideally suited for many types of photography. The Sigma 28-300mm lens features two Special Low Dispersion (SLD) glass elements and four Aspherical Lenses, to produce a high level of optical performance.


Sigma 800mm F5.6 APO EX DG/HSM lens

Ilse Jurriën : 2005-07-11 17:30:00
Sigma 800mm F5.6 APO EX DG/HSM lens : Fast maximum aperture 800mm ultra telephoto lens optimised for digital SLR cameras. This Sigma 800mm F5.6 APO EX DG/HSM lens is designed to optimize the characteristics of digital SLR cameras and features a new multi layer lens coating. The new multi layer lens coating is very effective with digital cameras, minimises flare and ghost. Two Extraordinary Low Dispersion (ELD) glass elements produce excellent image quality. Accepts APO EX Tele-Converters. The lens can be used as a 1600mm ultra-telephoto lens when used with the 2X APO EX Tele-Converter. Incorporating two Extraordinary Low Dispersion glass elements to reduce chromatic aberration to a minimum and ensure sharp, quality images.


Sigma 30mm f1.4 EX lens availability

Dennis Hissink : 2005-06-27 18:50:00
Sigma 30mm f1.4 EX lens availability: The 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 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. Large Maximum Aperture of F1.4 can perform in a great range of applications, including snapshots, portraiture, indoor shooting and landscape photography.






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