News tagged with "sigma"
Photokina 2010: Sigma has announced two flashes, the first of which is the EF-610 DG Super. This adds advanced features such wireless TTL and modelling flash to the basic spec of the EF-610 DG, i.e. a maximum guide number of 61m (ISO 100, 105mm setting) and a bounce and swivel head. It's designed to work with the latest TTL autoexposure systems of all popular digital SLR systems, but also includes a manual flash mode with output adjustable by up to eight stops.
Photokina 2010: Sigma's second flash of the day is the EF-610 DG ST. Designed to work with the latest TTL autoexposure systems of all popular digital SLR systems, it has a maximum guide number of 61m (ISO 100, 105mm setting) and a bounce and swivel head. There's also basic manual control available, with a choice between full and 1/16th power output.
Sigma Japan has announced its DP1x compact camera, announced in February, will be available from the end of this month. It features a faster True II processor and enhanced AF algorithms than the company's DP1 compact. There is currently no information regarding its availability in other markets. Sigma has also announced that that its 17-50mm F2.8 EX DC OS HSM lens, that was previously available in Canon, Nikon and Sony mounts is now available for Pentax and Sigma mounts at retail prices of $980/£649.99.
Just posted! Our lens review featuring the first image-stabilized fast telezoom to appear from an independent lens maker: the Sigma 70-200mm 2.8 EX DG OS HSM. With an all-new optical design and Sigma's silent ultrasonic-type HSM focusing, it offers an interesting alternative to Canon and Nikon's latest designs at an attractive price, while providing Sony and Pentax users with the option of using in-lens stabilization.This is all pretty compelling on paper, so how well does it work in practice?
Sigma is advising Sony users that its lenses are not compatible with the latest Alpha SLT-A55 and SLT-A33 'translucent mirror' cameras and it will fix them for free where possible. Specifically, the aperture may not operate correctly, giving an error message on the camera. The company says it will be offering to modify existing lenses free of charge, however this may not be possible for some lenses 'discontinued several years ago'. It advises owners affected to contact their nearest Sigma Service Station.
Sigma Corporation of America has announced that the Sigma 17-50 F2.8 EX DC OS HSM is now available. The lens, originally announced at the PMA exhibition in February 2010, offers a faster, image stabilized alternative for APS-C users wanting to upgrade from their kit lens. It is now available in Canon mount with Pentax, Sony, Nikon and Sigma-mount versions expected 'in the coming weeks.' The lens will sell with a recommended price of $980/£649.99.
Sigma has released an updated version of its Photo Pro image-editing software for immediate dowload. Version 4.1 extends RAW support to the SD15 digital SLR and adds compatibilty with 64-bit Windows OS. The latest versions available for download - 188.8.131.52 (3591) for Windows and 4.1 (1044) for Mac - also add bug fixes compared to previous versions shipped with the SD15 DSLR.
Sigma has issued a notice warning customers of a 'potential autofocus defect' in some of its recently released telephoto lenses. The problem affects a some examples of the APO 50-500mm F4.5-6.3 DG OS HSM, APO 120-400mm F4.5-5.6 DG OS HSM and APO 150-500mm F5-6.3 DG OS HSM lenses. The company has listed the serial numbers of lenses that could be affected - owners experiencing problems with any of these lenses are being offered a free collection, inspection and service.
Sigma UK has announced the price and availability of the SD15 digital SLR. Announced at the Photokina 2008 exhibition, this 14MP camera (4.7 million pixel images with three pieces of color data recorded at each location) with a large FOVEON X3 sensor will start shipping in the UK from July at a suggested retail price of £899.99. The company has also announced its 17-50mm f/2.8 EX DC OS HSM lens is now available in Canon EF-S mount at a suggested retail price of £649.99. Sigma, Nikon, Sony and Pentax fit will follow shortly.
Sigma has released the latest version of its Photo Pro RAW conversion software for its DP and SD camera series. The latest version is based around new image processing algorithms and features additional noise reduction at ISO 400 and above, amongst other enhancements. It is available for immediate download via Sigma's website. In addition, as previously announced, firmware v1.04 for the DP2 compact that adds the non-hardware aspects of the DP2s' faster AF is now available for download.
Sigma hopes to make a mirrorless, interchangeable lens camera with one of its Foveon sensors, the company's Chief Operating Officer has told dpreview.com. Speaking in an exclusive interview, Kazuto Yamaki also said the company is considering producing lenses for mirrorless systems such as those from Panasonic, Olympus, Samsung and announced by Sony.
PMA 2010: Sigma has launched into PMA with a veritable salvo of interesting new products. First up is the APO 70-200mm F2.8 EX DG OS HSM, an image-stabilised fast telezoom with ultrasonic-type silent focusing that provides a direct alternative to recent arrivals from Canon and Nikon. The all-new optical design uses two elements made of Sigma's newly-developed 'FLD' glass (plus three of SLD glass) to reduce aberrations, a 9-blade circular aperture for attractive bokeh, and features full-time manual focus override. The Optical Stabilisation system promises up to four stops benefit when hand-holding, and like other recent Sigma lenses, can be used by owners of Sony and Pentax cameras (the lens will also be available in Canon, Nikon and Sigma mounts). Last but not least, a dedicated adapter that extends the length of the hood for APS-C users is supplied as standard.
PMA 2010: Sigma has announced the 85mm F1.4 EX DG HSM, a large-aperture short telephoto lens which is bound to pique the interest of budding portraitists. Featuring a hypersonic focus motor with full-time manual focus override, the lens uses a 9-blade diaphragm for attractive background blur, and has a minimum focus distance of 85cm. It comes with a lens hood adapter for ASP-C/DX users that extends the length of the hood to give more effective shading, and will be available in mounts for Canon, Nikon, Pentax, Sigma and Sony SLRs.
PMA 2010: Third on Sigma's long list of introductions is an image-stabilized fast standard zoom for APS-C SLRs. The 17-50mm EX DC OS HSM offers a slightly wider angle of view than the company's previous models in this class, and alongside optical stabilization also adds a hypersonic autofocus motor for users of all mounts (Canon, Nikon, Pentax, Sigma and Sony). It uses two elements made from Sigma's new 'FLD glass', plus two glass mold and one hybrid aspherical elements, to reduce aberrations. The minimum focus distance is 28cm across the entire zoom range, giving a maximum magnification of 0.2x, and the 77mm filter thread does not rotate on focusing.
PMA 2010: Sigma has released the DP2s compact camera with a 14MP FOVEON X3 CMOS sensor. With almost identical specifications to its predecessor, the DP2, it offers a new AF algorithm for faster autofocus, a Power Save mode and a slightly revised rear design with more visible labeling of the buttons. The camera will ship with the company's latest Photo Pro 4.0 raw processing software.
PMA 2010: Sigma has announced the DP1x digital compact camera, a revised version of its DP1 large-sensor compact camera. Featuring the same sensor and wide angle lens as the DP1, it inherits the faster True II processor from the DP2 and a new AF algorithm for faster auto focus. It also shares the revised rear design of the DP2s, with a dedicated 'QS' (Quick Set) button and more visible labeling of controls.