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Here’s How the Stacked CMOS Sensor in the New Sony a9 Works

Chris Gampat
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04/22/2017
2 Mins read
stacked CMOS sensor

If you haven’t known already, the stacked CMOS sensor in the new Sony a9 flagship camera isn’t exactly all brand new. Indeed, it’s the first time Sony has done it with a full frame sensor and released it to the public. But the technology has been used in phones and many other sensors in the past. The Sony a9 has a full frame 35mm sized 24MP stacked CMOS sensor at the heart of the camera and the way it operates is crucial to the overall functionality of the camera.

We talked to Sony’s Mark Weir about how the sensor works and he explained how it differs from conventional CMOS sensors.

If you’re not seeing the video above, please be sure to check it out on our YouTube channel at this link, standard mobile website or desktop website.

The new 24MP full frame sensor in the Sony a9 I feel was a great choice: there aren’t too many megapixels and there aren’t too few. Instead, it’s designed to give you pretty good resolution, high ISO results, and also designed to shoot a ton of frames per second as you need them. Plus, the camera is very, very quiet. Sony is therefore targeting this camera to a number of photographers including photojournalists, sports shooters, etc. in the same way the company’s Sony a99 II is being delivered. However, the a99 II has much higher resolution and uses the company’s A mount system.

For even more about the Sony a9, please be sure to check out our first impressions post.

A9 camera Mark Weir Photojournalist sony sony a9 stacked cmos sensor technology video works
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Chris Gampat is the Editor in Chief, Founder, and Publisher of the Phoblographer. He provides oversight to all of the daily tasks, including editorial, administrative, and advertising work. Chris's editorial work includes not only editing and scheduling articles but also writing them himself. He's the author of various product guides, educational pieces, product reviews, and interviews with photographers. He's fascinated by how photographers create, considering the fact that he's legally blind./ HIGHLIGHTS: Chris used to work in Men's lifestyle and tech. He's a veteran technology writer, editor, and reviewer with more than 15 years experience. He's also a Photographer that has had his share of bylines and viral projects like "Secret Order of the Slice." PAST BYLINES: Gear Patrol, PC Mag, Geek.com, Digital Photo Pro, Resource Magazine, Yahoo! News, Yahoo! Finance, IGN, PDN, and others. EXPERIENCE: Chris Gampat began working in tech and art journalism both in 2008. He started at PCMag, Magnum Photos, and Geek.com. He founded the Phoblographer in 2009 after working at places like PDN and Photography Bay. He left his day job as the Social Media Content Developer at B&H Photo in the early 2010s. Since then, he's evolved as a publisher using AI ethically, coming up with ethical ways to bring in affiliate income, and preaching the word of diversity in the photo industry. His background and work has spread to non-profits like American Photographic Arts where he's done work to get photographers various benefits. His skills are in SEO, app development, content planning, ethics management, photography, Wordpress, and other things. EDUCATION: Chris graduated Magna Cum Laude from Adelphi University with a degree in Communications in Journalism in 2009. Since then, he's learned and adapted to various things in the fields of social media, SEO, app development, e-commerce development, HTML, etc. FAVORITE SUBJECT TO PHOTOGRAPH: Chris enjoys creating conceptual work that makes people stare at his photos. But he doesn't get to do much of this because of the high demand of photography content. / BEST PHOTOGRAPHY TIP: Don't do it in post-production when you can do it in-camera.
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