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Welcome to another session of Photography in 90 seconds. In this episode I will introduce you to a cheap method for doing macro photography, the practice of taking close-up photographs of small objects, like insects, coins, flower petals, or any number of things. The standard practice is to use something called a ``macro lens'', which allows you to focus at close distances, and achieves a magnification of at least 1:1 or greater (i.e., the object…
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Custom White Balance is the process of setting the neutral gray reference point manually, rather than relying on your camera’s Auto White balance (which typically only approximates neutral grey.) Custom WB is an important step for anyone who is serious about achieving accurate colours in their images. If you are shooting RAW single images, then you can just take a picture of a spectrally neutral grey card and set the WB in post-processing. However,…
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I discuss ISO and other related topics (aperture, shutter speed, histogram, and so on) in my recently completed an introductory photography book: "A Concise Introduction to Photography." http://ethanwilding.com/photobook/ ISO is a measure of the sensitivity of your film or digital sensor. In this episode I discuss the basics of ISO and how it relates to exposure and noise.
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In this 90 second tutorial I show how you can create a black and white image by copying the luminosity channel in LAB mode and pasting it into each individual channel in RGB mode. I find that this generally produces good black and white results from a colour image. If you're image is too light or dark after completing this process, duplicate the layer and change the blending mode to multiply or screen and then adjust the opacity to suit your needs.…
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In this episode I discuss the basics of shutter speed. In the second part I'll show some photographic effects you can achieve by varying your shutter speed.
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