[LRflex] Re: Bluedot Frustration...An Update.

At 28/01/2008, you wrote:


David Young wrote:


All:
It is not, as Philippe suggested, flare being reflected off the metal bits of the lens. There was no flare. The photos were taken, indoors, in the shade, on an overcast day, with the lens hood in use.
David, I think you misread my post, or maybe, and very likely I was being Fuzzy again ;-) ; what I meant was reflexion on the metallic parts of the camera you were shooting, not inside your lens.. BTW: did Rose wear glasses on the shot you referrred to? I don't remember her wearing any, but just in case. 


Good Morning, Philippe!
No, this is not a reflection of metal parts, inside or outside the lens. Of this, I am now sure. It is always the same blue, and always round, always in the exact center of the frame. And the blue very closely matches the coating colour of the lens!
What I am not exactly clear about is this. Does the light bounce off the shiny sensor surface, only to be reflected back to the sensor by the round rear element? Or does the reflected light go further into the lens before being reflected back again? Either way, it is a most annoying problem ... though, in outdoor use, it has only happened perhaps 3 or 4 times in 10,000+ photos. When it started to turn up in every close up shot, on Saturday, I quickly became very frustrated!
Oh, yes, Rose does wear glasses, but when you see the shot of her on the Eiffel Tower, you will see that no reflection from glasses could cause this sort of problem.. I will post it, as soon as my ISP gets their act together. Today, cannot upload anything, and eventually get a notice that they are "working on their servers". So, perhaps tomorrow. 

Cheers!



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David Young,
Logan Lake, CANADA

Wildlife Photographs: http://www.furnfeather.net
Personal Web-pages: http://www3.telus.net/~telyt
Stock Photography at: http://tinyurl.com/2amll4

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