Seán Duggan: Choosing a Color Working Space, Part II
Oct 2014 08

As described in the previous article in this series, digital images are essentially paint-by-numbers kits, with the color and brightness of each pixel expressed by a set of numbers for the RGB values. To attach meaning to the numbers we use profiles and color spaces. In terms of choosing a device-independent color space to use for editing your images, either those you process through Lightroom or Adobe Camera Raw, or as an overall working space in Photoshop, there are three likely choices to consider: sRGB, Adobe RGB, or ProPhoto RGB. In this article we’ll take a look at the pros and cons of each and provide some recommendations for you to consider.

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Seán Duggan: Choosing a Color Working Space, Part I
Oct 2014 02

Both Photoshop, Adobe Camera RAW, and Lightroom let you specify a color working space for your images. In an earlier article, I explained how to interpret the missing or mismatched profile messages that you sometimes see when opening a file in Photoshop. In part 1 of this article, we’ll take a look at just what a color working space is, and offer some clarification on key working space concepts and practices.

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Screen to Print Match
Sep 2014 25

Watch our webinar on Screen to Print Match. We’ll discuss creative color control from capture, to display calibration, to basic editing for print, accurate screen preview (soft proofing), and print management. The discussion will also include using ICC profiles and custom paper types to expand your range and creativity.

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C. David Tobie: Testing the iPhone 6 Camera
Sep 2014 24

Every generation of new iPhone offers improvements to the built-in cameras. Now that the iPhone 6 is available, it is important to know how it will advance iPhone photography. This article includes sample images covering several aspects of the new camera, including its sharpness, lens distortion, detail, and color accuracy.

Lets start with lens distortion. Phone cameras use wide-angle lenses, and with the very short lens-stack possible in the thickness of a very thin phone, there isn’t much opportunity to correct for the types of lens distortion common in wide angle lenses. Typically, barrel distortion will mean that a rectangle filling nearly the entire field of the lens will have curved, not straight sides, as if it had been over inflated.

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