Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
by Saaru Lindestokke                

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Kodak used to make gelatin filters that were paper thin. Not sure if they still make them. Vignetting is probably an issue of size/diameter of the filter, though. Consider rectangular filter systems from Lee, HiTech or others. I personally don't use these filters anymore and dial the correction in photo editing application.


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May I suggest two alternatives (pick one): Go with 100 mm square filter system. The major drawback is the up front cost, as well as limited practical interoperability with a collection of round screw-in filters you already own (they can work together, but certain combinations are tricky or downright tedious to work with). The benefit is that you have a ...


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The vignette you are experiencing is due to the diameter of the filter and its rim. Your wide-angle lens is blocked it the edges by fact that the filters you are using are too small. You need to purchase larger diameter filters. As to filter thickness: The key to filter quality is the parallelism of the filter. Filters need to be optically flat and large ...


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Color filters can be used to get a more accurate representation of the colors in the picture if you can take multiple pictures of the same scene with and without color filters. Your camera sensor only uses 3 filters, each pixel detects a gray value of light filtered by one of the 3 filters. Using interpolation, the 2 missing gray values are obtained at each ...



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