1. Design and Size Comparison of Sony A7 vs. Canon 5D Mark III
The Sony A7 II stands out for its compactness, being 25mm narrower, 20mm shorter, and 16mm thinner than the Canon 5D Mark III. Its lighter design greatly benefits travel photography enthusiasts or those who need mobility. Both cameras boast dust-resistant designs for durability in tough conditions.

2. Sensor Comparison
The Canon 5D Mark III is equipped with a 22.0MP Full frame (36 x 24 mm) CMOS sensor and Digic 5+ processor, contrasting with the Sony A7 II's 24.0MP Full frame (35.8 x 23.9 mm) CMOS sensor powered by a Bionz X processor. Despite similar sensor sizes, the DSLR Canon 5D Mark III features a larger flange focal distance than the mirrorless Sony A7, leading to generally larger and heavier lenses. Lens catalog comparisons, such as Canon EF for the 5D Mark III and Sony FE for the A7 II, highlight these differences.

3. Distinctive Features Overview
Apart from body and sensor differences, the Sony A7 II and Canon 5D Mark III exhibit variance in several unique features. For example, the A7 II features an electronic viewfinder (2400k dots), whereas the 5D Mark III utilizes an optical viewfinder. Each type offers its advantages, with electronic viewfinders providing additional shooting information and optical viewfinders delivering lag-free, clear frame views. Both cameras have the same magnification of 0.71x.
Another notable feature exclusive to the 5D Mark III is its premium LCD screen, missing in the Sony A7 II. This screen enhances the ease of viewing essential shooting parameters and adjusting settings.
Additionally, the Canon 5D Mark III records images on Compact Flash cards, in contrast to the Sony A7 Mark II which uses SDXC or Memory Stick PRO Duo cards. The 5D Mark III also benefits from dual card slots, providing a backup in case of memory card failure.

4. Connectivity Features
Significantly, the Sony A7 II supports WiFi connectivity, allowing for effortless linking with devices like laptops and smartphones, as well as direct social media sharing. Although lacking WiFi, the Canon 5D Mark III is praised by studio photographers for its PC Sync socket, enabling direct control over professional lighting systems.
Good news for travelers: the Sony A7 II's battery can be charged via USB, making it compatible with a variety of universal portable chargers available on the market.

5. Pricing Information
The Sony Alpha A7 Mark II (Black) is currently available on Mytour.vn at a starting price of 20,450,000 VND, including a 24-month official warranty from Sony, a 16GB SD card, and a deluxe carrying case. Conversely, the Canon 5D Mark III Body is priced at approximately 43,340,000 VND, coming with a 16GB memory card.

6. Making the Choice: Sony Alpha A7 Mark II vs Canon 5D Mark III
On the whole, the Sony Alpha A7 Mark II mirrorless camera tends to offer more standout features compared to the Canon 5D Mark III. According to international experts analyzing 63 different parameters, the Canon 5D Mark III ranks 26th out of 93 among mid-sized DSLR cameras and 79th out of 1173 among all types of cameras. Meanwhile, the Sony Alpha A7 Mark II ranks 14th out of 63 in the best mirrorless DSLR-style cameras and 25th across all camera products.

This complete comparison of Sony A7 and Canon 5D Mark III offers invaluable insights for customers currently debating between the two models. As per the rankings mentioned, Sony's camera holds a substantial advantage in terms of features and price. However, depending on individual usage needs, the Canon 5D Mark III could still be a strong contender due to its exceptional DSLR features. Check out Mytour.vn for attractive deals on quality cameras.