The Exposure Triangle

March 15, 2020  •  Leave a Comment
For a PDF of this article, select: The Exposure Triangle by Marc F Alter Many times, the essence of capturing a good photograph is getting the exposure right. As such, exposures can vary from image to image depending on the amount of light that is available at the time you take your picture. Exposure consists of three main elements; F/stop,...
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Digital Image Sharpening

January 28, 2020  •  Leave a Comment
Digital Image Sharpening What is Sharpening As we had previously discussed, when we take a digital picture, we are capturing light photons and recording them on an image sensor in the form of pixels. It takes millions of pixels (similar to a mosaic) that allows our mind to combine these pixels and thus see patterns and shapes which create our ima...
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Photo Post Processing In The Digital Age - Should I or Shouldn't I

November 03, 2019  •  Leave a Comment
Photo Post Processing In The Digital Age - Should I or Shouldn't I What Is Post Processing? In the olden days (for me, that would be in the 1960s), I would load my Kodak or Fuji film, take pictures with my Argus C3 camera, send it to a photo developer and then days or weeks later, receive 3” x 5” or 4” x 6” pictures in the mail. Basically, what I...
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Monitor Calibration For Photo Editing

October 27, 2019  •  Leave a Comment
Monitor Calibration For Photo Editing Why Calibrate Your Display? Every display device, whether it be a desktop monitor, laptop screen, smart phone, tablet, projector, TV, etc displays images differently. The same image displayed on your monitor can look vastly different when displayed on your friend’s monitor (or maybe even a contest judge’s m...
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Understanding & Managing Image Quality – Part II

October 27, 2019  •  Leave a Comment
Understanding & Managing Image Quality – Part II By Marc F Alter In the last session we discussed some of the critical elements in creating quality images in digital photography. Amongst these were Bit Depth, Color Space and File Types. Increased Bit Depth allowed us to create images with a larger number of colors (16.7 million for 8-Bit versus...
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