I just noticed something on some 4x5 chromes that I took at Great Sand Dunes Nat l. Park. I polarized the images and shot a clear blue sky and snow-capped peak. I noticed in a few shots that I have a ghost image of the snowy part of the moun tain appearing just above the mountain in the blue sky. My guess is, I'm getting a bounce-back image from the extreme light-dark values bouncing off the shiny f ilm surface, hitting the rear lens element, then reflecting back onto the film s urface. I'm thinking that, since the film might have a very slight bow in it, th e ghost image appeared just above the actual image. If it helps your opinion any , I was shooting Velvia Quickloads in a Fuji QL holder. Why did it happen? Do yo u agree with my theory? If my theory is correct, why is the ghost image not upsi de-down? Why didn't it happen on all the images? What can I do to prevent future mishaps like this? Any thoughts? TIA!
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