DPReview.com is closing April 10th - Find out more

RF100-500 Purple Dot Dead Center

Started 3 months ago | Discussions thread
Abbott Schindler Veteran Member • Posts: 3,099
Re: RF100-500 Purple Dot Dead Center

Nancy, fyi I sent several Raw files illustrating the problem to CPS several weeks ago. They seem to be having trouble figuring out what's happening (I need to call them again). Their first response was that I needed a lens hood. However, when I described my shooting environment (standing well back from a window in an unlit room, with the sun totally blocked by the house) AND sent them photos shot from the same subject, same room, same camera position, but different natural light (same camera and 100-500 lens), they came up empty.

The interesting thing for me is that, all things being equal except lighting, the disc comes and goes (purplish disc under cloudy conditions, no disc under clear light).

Sadly, I got the phenomenon only twice, whereas I've shot the same thing dozens of times.

Have you seen the issue again?

Post (hide subjects) Posted by
Keyboard shortcuts:
FForum PPrevious NNext WNext unread UUpvote SSubscribe RReply QQuote BBookmark MMy threads
Color scheme? Blue / Yellow