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Focos Tutorial on ScreenCasts Online

This week Don McAllister published my video tutorial of the iOS app Focos on ScreenCasts Online. This is an amazing app that works with dual-lens iPhones: iPhone 7+, 8+, and X. I’m really proud of this particular tutorial and the feedback has been amazing on it.

Remember the Lytro camera that took the world by storm because it’s proprietary image format allowed you to change what was in focus after the fact? It never became really popular because it was proprietary. Focos allows you to do the same thing (change the focus point) on portrait-mode photos taken by one of these dual-lens phones.

That’s not all though, you can change the virtual aperture of the image, thereby changing the depth of field. You can simulate an f/1.4 lens up to f/22. You can change how the background (fuzzy) bokeh looks by simulating famous lenses, you can change how far forward and backward the fuzzy part is in the image using an amazing visual representation of the depth data, and you can even change the shape of bright lights in the background to new shapes up to and including Apple logos.

I’ve embedded the video preview into the shownotes, but you can proceed over to ScreenCasts Online from the provided link to watch it for free with his 14 day free trial. Don’t do it though, you’ll get hooked when you see how much amazing content is there and you’ll want a subscription.

NC #599 iPhone 7+ Portrait Mode, 2016 MacBook Pros, Security Bits

Next week the show will be out early because we’ll be out of town on the weekend, so don’t try to go to the live show because there won’t be one! In Chit Chat Across the Pond, Bart taught us how to create a JavaScript API in Programming By Stealth 24. I did some experiments with the new iPhone 7+ feature called Portrait mode comparing the photos to a DSLR. The new MacBook Pros are coming and I’ll talk through the features and try to help you see if they’re good or bad choice for you. Bart Busschots is back with Security Bits where we do a deeper dive into DirtyCOW and Drammer along with important security updates, notable breaches and suggested reading.

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iPhone 7+ Portrait Mode Depth Effect

Allison forbes depth effectThis week Apple released iOS 10.1, which included the beta of the new Portrait mode for the iPhone 7+. Portrait mode applies what they call a depth effect, blurring things in the background while keeping the focus sharp on faces in the foreground. The effect is limited to the 7+ because it uses the dual cameras to produce this effect. Two lenses, and a LOT of math.

I’m a huge fan of portrait photography, so this effect was a big contributor to my decision to go with the 7+. Spoiler: I love Portrait mode. I’ve taken dozens of portraits so far of adults and children, and the crisp focus on peoples’ faces really makes them pop out of the photos.

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