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Watch: Video explains why your camera’s sensor sees the world like an octopus

Mar 29, 2021 by John Aldred Add Comment
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Camera sensor technology has come a very long way since it was first developed in the 1970s. And while they’ve gotten much smaller and faster since Steven Sasson’s original 3.6kg, 0.01-megapixel digital camera, the basic principle of how a sensor records an image is still pretty much the same – as explained in this wonderfully technical and geeky video from IMSAI Guy.

In it, he begins by explaining the difference between standard sensors and rear-illuminated (BSI) sensors – and how the latter is basically the way an Octopus’ eyes work. He illustrates how a pixel “sees” the light that hits it and how a sensor arranges all these pixels using just a standard (albeit very large) matrix array in order to make up the final image.

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TowerJazz is not selling their controlling stake in Panasonic sensor partnership

Dec 5, 2019 by John Aldred Add Comment
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Recently, Panasonic announced they were getting out of the chip business, selling their semiconductor business to Taiwan’s Nuvoton Technology or $250 million. Israeli chip manufacturer, TowerJazz has a 51% stake in a joint venture with Panasonic, and there was some confusion about whether this joint venture was included in the sale.

Some reports had said that Panasonic’s sale would include the TowerJazz joint venture, which operates three chip-manufacturing facilities in Japan. To squash any rumours, TowerJazz has now announced that they are not selling their controlling interest or giving up board control.

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Panasonic has sold its semiconductor business for $250 million

Nov 29, 2019 by John Aldred Add Comment
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Panasonic has announced that they have sold their semiconductor business, so they won’t be making any more sensors. The press release, via Reuters, says that Panasonic is selling its semiconductor unit to Taiwan’s Nuvoton Technology Corp for $250 million, as they struggle to increase profit.

This means that the Fuji/Panasonic organic sensors mentioned back in 2013 and finally realised just last year may have a somewhat uncertain future now. We don’t know if this tech will now continue to develop and come to Panasonic or Fuji’s future mirrorless cameras. If it does, though, it’s unlikely to be Panasonic that’s manufacturing them.

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Sony has published the specs for a full-frame Quad Bayer and five other sensors

Jul 23, 2019 by John Aldred Add Comment
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Sony has published specifications for six new sensors, all of which are full-frame, including several stacked sensors and a 15-megapixel sensor that uses Sony’s Quad Bayer design – a design typically implemented in Sony’s smartphone sensors.

The new sensors include the IMX521CQR, which appears to be a Quad Bayer variant of the 61-megapixel sensor found inside the new Sony A7R IV. The other five range in resolution from 24 to 48.96-megapixels with some pretty impressive features.

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Samsung’s new sensor paves the way for 64MP smartphone photos

May 9, 2019 by Dunja Djudjic 2 Comments
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Samsung has announced today the world’s first 64-megapixel sensor for smartphone cameras. The ISOCELL Bright GW1 expands Samsung’s 0.8μm image sensor lineup from existing 20Mp to ultra-high 64Mp resolutions.

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RED Helium 8K sensor scores 108, highest ever on DxOMark

Jan 12, 2017 by Dunja Djudjic Add Comment
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The RED Epic Dragon prototype was the first sensor to score over 100 on DxOMark sensor score scale, and it hit 101. But they has recently given RED’s 35.4MP Helium 8K sensor the highest overall score so far: 108. It means that this is not the first to exceed the 100 point bar, but it set up a new record.

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Good-Bye Polarized Filters: Olympus Patents Polarized Sensor Technology

Aug 4, 2015 by Allen Mowery 2 Comments
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Polarizing filters are almost mandatory for landscape photography, but they have a few drawbacks.  The first is obvious:  the hassle of having to carry filters with your to fit each lens.  The second is not quite as obvious but has a vital impact:  loss of light within your scene.

Olympus is aiming to change that with a new patented sensor technology that essentially has a built-in polarizing filter within the sensor itself.  This technology would automatically analyze a scene for light values and adjust accordingly, allowing you to basically have a polarizer for each one of your lenses without the hassle (or expense) of carrying them around or losing valuable light from critical scenes.

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Understanding Full-Frame vs Crop-Sensor Impacts on Depth-Of-Field And Perspective

Oct 10, 2014 by Udi Tirosh 24 Comments
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There has been a lot of discussion going on about what are the impacts of using a crop sensor vs full frame when using a particular lens. How are crop factor sensors impacting depth of field and what are they doing to composition. In fact if you went to any photography forum on the web, you are likely to get as many answers as forum members.

Of course, the answer to that question really depend what you are comparing and how you are doing your tests. Photographer Neil van Niekerk did a thorough test accompanied with clear explanations on what actually makes a difference when using a crop sensor vs a full frame and  the answer is not that simple.

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Here’s Our First Look at a Picture Taken With Sony’s New Curved Sensor

Jul 4, 2014 by Maaz Khan 7 Comments
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I’ve been following news on Sony’s curved sensor since they first announced it back in April, and I’ll be honest; I didn’t think we’d be getting a look into it nearly this quick, but this is shocking to me. I must have forgotten that Sony started on this project back in 2012, because they’ve just uploaded the first official picture from the sensor online – and here it is.

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New Chemical Iris Technology Aims to Innovate Smartphone Camera Aperture

Jun 25, 2014 by Maaz Khan 4 Comments
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As advanced as smartphone cameras are today, they’re still limited by the size they need to be. As a result, most smartphones have a fixed aperture to save space; the iris itself is mad from fixed blades that set the aperture for each camera. But as always, in a time where mobile devices are so engraved into the modern lifestyle, technology is constantly reaching higher ground. In this case, that higher ground is reached by a new type of iris – one made of chemicals that eliminate the need for physical blades.

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Udi Tirosh: from diyphotography.netUdi Tirosh is an entrepreneur, photography inventor, journalist, educator, and writer based in Israel. With over 25 years of experience in the photo-video industry, Udi has built and sold several photography-related brands. Udi has a double degree in mass media communications and computer science.

Alex Baker: from diyphotography.netAlex Baker is a portrait and lifestyle driven photographer based in Valencia, Spain. She works on a range of projects from commercial to fine art and has had work featured in publications such as The Daily Mail, Conde Nast Traveller and El Mundo, and has exhibited work across Europe

David Williams: from diyphotography.netDave Williams is an accomplished travel photographer, writer, and best-selling author from the UK. He is also a photography educator and published Aurora expert. Dave has traveled extensively in recent years, capturing stunning images from around the world in a modified van. His work has been featured in various publications and he has worked with notable brands such as Skoda, EE, Boeing, Huawei, Microsoft, BMW, Conde Nast, Electronic Arts, Discovery, BBC, The Guardian, ESPN, NBC, and many others.

John Aldred: from diyphotography.netJohn Aldred is a photographer with over 20 years of experience in the portrait and commercial worlds. He is based in Scotland and has been an early adopter - and occasional beta tester - of almost every digital imaging technology in that time. As well as his creative visual work, John uses 3D printing, electronics and programming to create his own photography and filmmaking tools and consults for a number of brands across the industry.

Dunja Djudjic: from diyphotography.netDunja Djudjic is a multi-talented artist based in Novi Sad, Serbia. With 15 years of experience as a photographer, she specializes in capturing the beauty of nature, travel, and fine art. In addition to her photography, Dunja also expresses her creativity through writing, embroidery, and jewelry making.

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