Forum: Pentax DSLR Discussion
08-13-2010, 05:46 AM
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Yup. However, dust/dirt is never directly on the raw silicon (the focal plane) - if it was there would be a big divot in every image.
The raw silicon is coated with a number of things, like the baysian color mask, anti-aliasing filter, etc, and dust sits on top of these coatings and coverings. The thickness of these coatings is many times the wavelength of visible light. As the lens is stopped down, the DOF increases, for both the image, and dust near the raw silicon.
In any case, it's an interesting effect, how dust and dirt on the sensor becomes more in focus as the lens is stopped down, and the DOF increases for both the image and dust.
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Forum: Digital Processing, Software, and Printing
08-08-2010, 11:48 AM
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You can just stick with PEF and LR or Photoshop will convert them just fine. I see no reason to go DNG at all. Also, the colour space (& sharpness setting too) set on the camera doesn't matter to RAW. It will be chosen in the RAW converting softwares. That means you can convert the same PEF file to sRGB, AdobeRGB or ProPhoto afterward.
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