New sensors
Compared with the 5D Mark II samples released in 9/2008, the descendant named Mark III also only owns CMOS sensor with high resolution 1.2 megapixels. However, instead of lifting the resolution on the “monsters” like what Nikon did with their products, the Canon to focus on other aspects.
According to Canon, processor DIG!C 5+ in 5D Mark III has the ability to create images with lower noise levels than 2EV samples 5D Mark II.
In addition, the ISO range of the 5D Mark III, EOS run from 100-25600, extended 102,400. This means that image quality 5D Mark III offers lower will only “branded” 1D X a bit, the ISO range up to 51,200, extending 204,800.
Advanced Features
Common ownership autofocus system 61 points as the 1D X, and probably will not have to argue to the shutter speed of the 5D Mark III. Moreover, continuous shooting speed 6 image / sec (faster than 3.9 / sec of the 5D Mark II and approximately 4 image / sec direct competitor of Nikon D800) is also a good feature of this camera.
Canon EOS 5D Mark III 22.3 MP Full Frame CMOS with 1080p Full-HD Video Mode Digital SLR Camera (Body): Buy it now
Canon EOS 5D Mark III 22.3 MP Full Frame CMOS Digital SLR Camera with EF 24-105mm f/4 L IS USM Lens: Buy it now
Canon EOS 5D Mark III 22.3 MP Full Frame CMOS with 1080p Full-HD Video Mode Digital SLR Camera (Body): Buy it now
Canon EOS 5D Mark III 22.3 MP Full Frame CMOS Digital SLR Camera Bundle with Lens, Stand and Accessories (12 Items): Buy it now
Canon EOS 5D Mark III 22.3 MP Full Frame CMOS with Canon EF 24-105mm f/4 L IS USM + Tamron AF 70-300mm F/4-5.6 + Canon EF 50mm f/1.8 II + 2 Commander 32GB Memory Cards + Commander UV Filters
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More sophisticated
When booking a Canon 5D Mark III next to its predecessor, the 5D Mark II, the difference between the two machines, is not significant. 5D Mark III lumpy surface rougher, making it easier to grip than the version released in 2008.
Some new buttons have been included in the Canon of their latest cameras, such as the “rate” allows users to evaluate their photos and record this score into the EXIF data of the photo. This feature is especially useful when the photographer to use the photo editing program like Lightroom or Aperture to complete.
Video recording capabilities
5D Mark III is capable of recording video at 1080p with 3 different speed levels: 24, 25 and 30 frames / sec. Particularly for 720p resolution, the machine also enables higher speed shooting in the 50 and 60 frames / sec. Thus, the 5D Mark III can become a worthy choice for the artists or filmmakers both professional and amateur.
However, only the 5D Mark III incorporates a mono microphone standards, so the professional videographer should own more external microphone for best sound quality.
Connectivity and Usability
Cards and Connectivity
The 5D Mark III has two card slots, one CompactFlash and one SD. You can write to both at once for backup, split RAW and JPEG between them, or let the second card take overflow.
For connections there are HDMI and USB ports. There’s no Wi-Fi or Bluetooth, so wireless transfer needs an add-on accessory. Otherwise, use a card reader.
Controls
The Q button opens the Quick Control screen, where you change the main settings without going into the menus. The buttons are well placed, and the menus are straightforward.
Battery
The LP-E6 is rated at about 950 shots per charge (CIPA), which is a lot for a DSLR. A full day of shooting or a wedding fits on one battery.
How It Compares
Canon EOS 6D Mark II: cheaper and newer, with 26.2MP, a vari-angle touchscreen, Wi-Fi and Bluetooth. It also has a weaker autofocus system (45 points against 61) and a less rugged body, so it’s more of an alternative than a rival.
Nikon D810: 36.3MP and better dynamic range, which matters for landscapes and studio work. It shoots 5 fps to the 5D Mark III’s 6, and I’d give the edge in autofocus for action to the Canon.
Sony A7 III: a much smaller mirrorless body with 24.2MP, 4K video and in-body stabilization. It’s ahead on features. The reason to stay with the 5D Mark III is a bag of Canon EF lenses, since switching systems is expensive.
Weak Points
There’s no Wi-Fi, Bluetooth or 4K. Video tops out at 1080p, with no in-body stabilization. The body is big and heavy, and it wasn’t cheap when it came out.
Verdict
The 5D Mark III is an older full-frame camera that still does the basics well. The body is weather-sealed magnesium. The viewfinder shows 100% of the frame. The 61-point autofocus, 41 of them cross-type, keeps hold of moving subjects. The 22.3MP sensor gives clean files for its age, including at higher ISO. It’s a good choice for events and portrait work if handling and focus matter more to you than the newest features. If you shoot a lot of video, want wireless sharing, or want something light, look at a newer body. Used, it’s a lot of camera for the money.
Tech Reviewer & Product Analyst
Định Bia has spent over 10 years testing consumer electronics with a focus on smart technology. He work as a product advisor at Biareview where he helped customers find the right devices for their needs. He personally tests every product featured on this site using a consistent evaluation framework covering quality, durability, and value. All reviews are based on experience, not influenced by the manufacturer.









