This is a brief excerpt from DSLR News Shooter
By site editor Dan Chung:
The Blackmagic Cinema Camera with Canon 40mm and Tokina 11-16mm lensesThere is growing evidence that several owners’ production models of the Blackmagic Cinema Camera are experiencing serious issues with infinity focus on certain lenses. Initially, users identified the popular EOS fit Tokina 11-16mm f2.8 as a problem lens, with an inability to focus anywhere near infinity when used with the BMCC. Now other users are reporting that other lenses are affected too.
BMCC+Tokina Inf Test from Raitank on Vimeo.
Japanese site Raitank.jp has posted a sample video showing the issue in their BMCC with the Tokina 11-16mm. The reason this lens has attracted particular attention is that it is most widely used fast and wide zoom option for EOS cropped sensors. The other popular zooms in this range do not has the same fast f2.8 maximum aperture.
It seems that most genuine Canon EOS lenses are working as they should because they tend to focus slightly past infinity. The main exception seems to be the recently released 40mm f2.8 STM lens which some users claim gets nowhere near infinity.
Other users are saying that older legacy lenses and even …
By: Dan Chung
via planet5D pinterest news http://pins.planet5d.com/the-blackmagic-cinema-camera-saga-continues-this-time-its-infinity-focus-issues/
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