According to rumor mills Canon is working on Fullframe astrophotography DSLR that is set to be announced on 2016, Canon already have APS-C models dedicated for astro photography..such as Canon EOS 20Da and 60Da [Amazon], but at this moment no fullframe DSLR is available for astrophotography, Keep in mind that we don’t know which current fullframe model will be re-branded with the a letter, however we do expect that either Canon 6Da will arrive soon.
Few days ago we have published a report that Nikon is also taking interest in developing astrophotography dedicated DSLR, Nikon already announced Astrophotography version of Nikon D810 DSLR back in February – see the announcement page here, The sensor is optimized with increased hydrogen-alfa sensitivity, the Nikon D810a camera is available in Amazon and B&H.
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