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Sigma Imaging, already one of our favourite lens makers, has announced upgrades and new functions for their entire system which will transform the way it works with all the major camera systems. The new DC 17-70mm f/2.8-4 – DC (APS-C format) lenses have never been given the EX designation, even when they clearly matched the EX [...] . . . → Read More: Sigma’s system revolution 
For almost a decade the Sigma 12-24mm full frame ultra wide angle zoom has been unrivalled by any other makers – not Nikon, not Canon, not Tamron, not Tokina, not Sony. No maker has ventured where Sigma went, to the extremes of over 120° coverage combined with well corrected straight line geometry. Today, the original 12-24mm [...] . . . → Read More: Sigma ultrawide zooms – old and new 12-24s versus 8-16mm Sony Corporation announced today it will disclose the basic specifications of its “E-mount” for interchangeable single lens cameras, without fee, to manufacturers of lenses and mount adaptors, starting April 1st, 2011. This was previously confirmed at the photokina press conference – now they have revealed that Carl Zeiss AG, Cosina, Sigma and Tamron will all [...] . . . → Read More: Zeiss, Cosina, Sigma and Tamron – NEX E-mount future  2 comments  News, NEX System  Cosina, E-mount, lens, lenses, mount, NEX, Sigma, Sony, specification, Tamron, Zeiss The latest Photoworld edition, No 1 2011, is now available to electronic edition subscribers (Normal or Premium) and is being printed to mail out before the end of January to all print edition subscribers. The cover shot is by Shirley Kilpatrick, and is an uncropped capture very rapidly taken using the Alpha 550 with Sigma 18-250mm [...] . . . → Read More: New Photoworld edition available Edited from Sigma Japan’s announcement: Sigma’s lenses for Sony mount may have a potential aperture operation problem when used with the Sony α33 and α55 Interchangeable Lens digital cameras. To overcome this issue, we will be offering, free of charge, a modification service to our customers who have purchased a Sony α33 and [...] . . . → Read More: Sigma lens incompatibility with A33 and A55 There is no need to dismantle the mount of the original series Sigma AF TELE 400mm f/5.6 lens, to bring non-functional versions (old chip) up to speed with later film and current digital SLRs. The whole process takes under five minutes, and requires two tools – a small Philips screwdriver, and a precision end cutter. . . . → Read More: Sigma classic 400mm tele quick rechip If you use Sigma lenses on your Alpha, you can join the Sigma User Club UK and enter their prize competitions (anyone can join, worldwide, but you must be in the UK to enter the competitions as the prizes are given by the UK distribution company). . . . → Read More: Win a Sigma 20mm f/1.8 and fly the Alpha flag |
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