Thread: RED Epic-W Soft Focus Issue

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  1. #11  
    Senior Member Jacek Zakowicz's Avatar
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    has this ever been resolved?
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  2. #12  
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    Curious about this too..
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  3. #13  
    Me too!
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  4. #14  
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    Quote Originally Posted by Jacek Zakowicz View Post
    Condensation usually sets when the lens is moved from warm to cold . Most of the time in the morning. just look into the lens- easy to see....
    Cold to warm potentially sets up this condition in my experience.
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  5. #15  
    Senior Member Jacek Zakowicz's Avatar
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    Are you sure? Warm air would have moisture in the gas form due to the temperature. When you take it to cold the lens cools down and so does the air/moisture inside it. As a result the moisture turns into liquid and settles on cold surfaces such as glass....
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  6. #16  
    Senior Member Russ Fill's Avatar
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    Wondering if your tightening the mount after it has been mounted on the camera for a while, I know running back and forth on the sidelines could loosen the mount after time. Sometimes different lenses will sag a bit from the mount if not tightened with the twist part. Also if you zooming at all with that lens it does not hold focus through the zoom so it maybe that a small zoom or framing adjustment will cause a large focus shift. Even with the auto focus on. Does it do it with and with out the IS turned on. And what frame rate and shutter. Doesn’t seem like a shutter speed issue but could add to it a
    Bit.
    Any R3D’s to share so we could see the camera settings.? Some images almost come close to sharp. I’d be courous about compression and format.
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  7. #17  
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    I always shoot with the Canon II EF f2.8 70-200mm lens on both my Epics and never had this issue.
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  8. #18  
    Senior Member Dominik Muench's Avatar
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    did you use the image stabilizer ? I have a canon 100-400 where the IS doesnt work properly anymore and I get very similar effects if its active.
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  9. #19  
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    Quote Originally Posted by Jacek Zakowicz View Post
    Condensation usually sets when the lens is moved from warm to cold . Most of the time in the morning. just look into the lens- easy to see....
    You mean from cold to warm :)
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  10. #20  
    Senior Member Peter Strietmann's Avatar
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    I get condensation going from cold to warm. I've done a fair amount of shooting in extreme cold conditions.
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