A new RF mount rumor and I won't hesitate to classify it under "good news"…
Sigma 135mm f/2 DG OS Coming For Photokina 2014?
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Sigma 18-35mm f/1.8 DC HSM
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Rumors have word that Sigma will announce a new prime lens next year, a 135mm f/2 DG OS, part of the “Art” line-up. The lens is said to be announced at Photokina, September 2014. Moreover, it appears that Sigma will release more high performing lenses next year.
I hope the rumor is true. Sigma released some amazing lenses recently ([shoplink 8892]35mm f/1.4 DG HSM[/shoplink] , [shoplink 14551]18-35mm f/1.8 DC HSM[/shoplink] and [shoplink 17019]24-105mm f/4 DG OS HSM[/shoplink]) and we all hope there will be more lenses with such excellent optical properties.
[via CR]