Shutter Release: How good is the Sony A9 eye AF? And ten commandments of retouching and more

We typically aim for five interesting stories to share with you for Shutter Release, but today you will get a bonus story as there were so many cool articles and videos. Let’s get right to it.

Sony A9 continuous eye autofocus video test – Fstoppers

The Sony A9 set the internet ablaze last month when it was unveiled at a special Sony event. The new 24-megapixel camera is all about speed, including a new 693-point autofocus system that includes improved eye detection, which Sony states is 30 percent better than the Eye AF found in any previous Sony camera.

In the video below, you can see a test of the Eye Detection autofocus in the new Sony A9. What do you think about its performance? Impressive, right? To learn more about the Sony A9, see our Sony A9 Review.

The ten commandments of retouching – PetaPixel

Photographer David Justice wrote an article all portrait photographers should read, “The Ten Commandments of Retouching.” To see more from Justice, visit his website and follow him on Instagram.

Young wildlife photographer searches for the perfect wild bison photo – Fstoppers

Michel D’Oultremont is a 25-year-old wildlife photographer from Belgium and he has been on a journey to capture the perfect wild bison photograph. Wild bison hadn’t existed in Europe for over 200 years until the WWF worked to reintroduce them in Romania, and the documentary below follows D’Oultremont as he photographs the bison. To see more from D’Oultremont, visit his website and follow him on Instagram.

Sony releases a high-speed sensor that can track objects at 1,000 frames per second – Sony Alpha Rumors

For the tech fans out there, this news should interest you. Sony has announced the release of a new high-speed sensor, the IMX382. The stacked sensor employs a distinct design which allows for faster processing and high-sensitivity imaging. You can read all about it here. 

Lightroom tip: Fixing perspective and distortion in Lightroom – SLR Lounge

SLR Lounge contributor Holly Roa has written a tutorial for using Lightroom’s powerful built-in perspective correction tools. The article covers using the automatic tools and also taking manual control to achieve optimal results.

Beautiful time lapse shows rare phenomenon in Grand Canyon – DIY Photography

As part of the Skyglow Project, Harun Mehmedinovic went to Grand Canyon National Park to explore the effects of light pollution. While filming, the team witnessed full cloud inversion, a rare phenomenon which occurs when cold air gets trapped in a canyon and gets covered by a layer of warm air. The time lapse below was shot using Canon 5DS R and Canon 5D Mark III cameras with Canon lenses.