YouTube user Daero Lee posted a series of videos that show how the Canon EOS 70D‘s auto-focus works (and performs). Most videos tackle the Dual Pixel CMOS AF, but there are also some that show a view through the viewfinder, and how the AF performs. More videos after the break.
Canon EOS 70D
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BBC’s Johnnie Behiri (source: lensvid) had a chance to play around with a pre-production model of the Canon EOS 70D. While he was pretty impressed with the innovative Dual Pixel CMOS Auto-Focus of the 70D, he was less impressed with its image quality. According to Behiri the image seems to be on the soft side, noisy with moire and aliasing artifacts. However, he also stresses that used a pre-production model of the 70d, things can (and hopefully) will change when the 70D goes into production and will (presumably) have another firmware on board. The video below is the image quality test.
Canon EOS 70D
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Next, we have two videos (source: imaging-resource) that definitely show how well Canon’s new Dual Pixel CMOS AF performs in real life (spoiler: very impressing). The videos come from the Japanese site Nikkei Trendy, and show the performance of the EOS 70D’s AF combined with face recognition: the child in the video is tracked while he is running.
More AF test, this time for stills, come from Japanese site Kakaku Magazine.
Finally, for another round of test sample pics, check optyczne.pl.
Japanese site Digital Life Innovator (translated) posted a new set of sample pics shot with the Canon EOS 70D and an EF 60mm f/2.8 Macro lens (more sample pics by the same site can be seen here). Original files can be downloaded. Image quality is pretty amazing, especially for the high ISO shots (see pic above and below, both shot at ISO 3200). Korean site DicaHub (translated) posted test series covering the whole ISO range (100-12800), with additional crops taken from each test picture. More after the break.
The Canon Digital Learning Center published an 8 pages interview with the engineers that are behind the Canon EOS 70’s new and groundbreaking Dual Pixel CMOS Auto-Focus system. The PDF file can be downloaded here (scroll down the page, the link to the PDF is at the bottom).
The text starts citing three widespread assumptions:
The correct way to take photos is by looking through an optical viewfinder and shooting
Live View is a subsidiary function, inferior to the optical viewfinder
The DSLR’s movie mode is so difficult, as to be usable only by a professional
And then goes on:
Dual Pixel CMOS AF is a new technology that will cast aside these assumptions. The entire surface of the sensor is lined with pixels composed of two photodiodes each, and the image plane phase-difference detection AF focuses using the phase-difference of the two parallax images.
Even when shooting with Live View, because it is phase-difference detection the AF is fast. Rather than pixels dedicated to AF, the pixels have both AF and imaging functions, all effective pixels can also be used for imaging. Now Live View Shooting will be a shooting method choice that is equal to optical viewfinder shooting.
Definitely worth a read!
[via NC]Canon EOS 70D
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Thanks John (2 times) for pointing me to this!
Update: Polish site optyczne posted sets of sample pics taken with the EOS 70D at all ISO speeds. Some of the test scenes (bottles and pencils) have been used to test the EOS 650D, so you can compare them (scroll down to the sample pics).
Japanese site Digitial Life Innovator (translated) posted another video testing the Dual Pixel CMOS Auto-Focus of the Canon EOS 70D. There are also sample pics (original files available for download). I wasn’t able to understand (from the machine translated Japanese text) if they had a pre-production model of the EOS 70D (think so). However, the pics are all “out of the box” JPGs, and I think the image quality is impressive. They extracted frames from the video and made them available in a Flickr set.
It appears as if Canon made everything right with the EOS 70D. After long a true innovation by Canon. I bet the EOS 70D will sell very well, there is too much to love in this camera.
Canon EOS 70D pre-order and price check: B&H Photo, Adorama, Amazon USA, Amazon Canada, Canon Canada, Canon USA
Korean site DicaHub (translated), after having provided the second independent Dual Pixel CMOS AF test I know about, produced another video to show and test how the Canon EOS 70D deals with moire artifacts. A pre-production model of the EOS 70D was used, along with the EF-S 18-55mm F3.5-5.6 IS STM. Is stunning the right adjective here?
Canon EOS 70D pre-orders: B&H Photo, Adorama, Amazon USA, Amazon Canada, Canon Canada, Canon USA
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