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We use ad-blockers as well, you know. We gotta keep those servers running though. Did you know that we publish useful books and run friendly conferences — crafted for pros like yourself? E.g. our upcoming SmashingConf London, dedicated to all things web performance.

Author:

Karsten Bruns is passionate about creating all things digital, from DTP to apps. He began writing code at 12 years old and later studied graphic design at HTK Hamburg, Academy for Design. His work on deepblue christmas tunes was an FWA award winner and was featured in Google's Creative Sandbox. He is currently developing iOS apps at grandcentrix.

Twitter: Follow Karsten Bruns on Twitter

Ready For Retina HD: Create Pixel-Perfect Assets For Multiple Scale Factors

The 6 Plus is the first iPhone that sports a “Retina HD” display — the sharpest display Apple has ever made. It forces designers to provide an additional set of image resources to developers to match that sharpness.

Ready For Retina HD: Create Pixel-Perfect Assets For Multiple Scale Factors

We needed only one set of assets for the original iPhone up to iPhone 3GS. And when iPhone 4 came out with the Retina display, we also needed 2x assets — images twice as detailed. Now, with the display of the 6 Plus being even more detailed than that of the iPhone 4, we will also need to provide 3x assets. The numbers 1x, 2x and 3x are also called “scale factors.”

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