The Sony A7c and A7R III are two Mirrorless cameras we will compare in this article. The Sony Alpha A7c is a camera in the Advanced Mirrorless class, whereas the Sony Alpha A7R III is in the Pro Mirrorless class.
The Sony A7c will be released on the market in September 2020, while the Sony A7R III will be released in October 2017. As can be seen, the A7R III is three years older than the A7c. Let’s see if the age difference between the two cameras significantly impacts their performance.
The Sony a7C and Sony a7R III are high-end full-frame mirrorless cameras from Sony, but they are designed for different users. Here’s a detailed comparison of the two cameras:
Image sensor: The Sony a7R III has a 42.4-megapixel image sensor, while the Sony a7C has a 24.2-megapixel image sensor. The Sony a7R III has a much higher resolution, providing better image quality, especially in fine detail and sharpness. However, the Sony a7C’s lower-resolution sensor offers better image quality in low-light conditions, making it more versatile for various types of photography.
Autofocus: The Sony a7R III has a more advanced autofocus system, with 399 phase-detection points, compared to the Sony a7C, which has 567 phase-detection points. The a7R III’s autofocus system is faster and better suited for tracking fast-moving subjects. In contrast, the a7C’s autofocus system is still quick and accurate but not as good as the a7R III’s.
Burst shooting: The Sony a7R III can continuously shoot up to 10 fps with the mechanical or electronic shutter and up to 8 fps with the mechanical shutter. The Sony a7C can continuously shoot up to 10 fps with the mechanical or electronic shutter and up to 8 fps with the mechanical shutter. Both cameras have similar burst shooting capabilities, making them well-suited for action photography.
Video recording: Both cameras can record 4K video, but the Sony a7R III has a full-pixel readout, which provides better image quality. The Sony a7C has slightly better image stabilization, which can be helpful to for hand-held video recording.
Ergonomics: The Sony a7R III is a larger camera than the Sony a7C, making it easier to handle for users with larger hands. The a7C is more compact, making it easier to carry and better suited for travel photography.
Battery life: The Sony a7R III has a longer battery life than the Sony a7C, making it more suitable for extended shooting sessions.
Price: The Sony a7R III is more expensive than the Sony a7C, making it more suited for serious photographers and professionals who need the best image quality and performance.
Key Specifications
Sony A7c Key Specifications
- Announcement Date: 2020-09-14
- 24MP – Full frame BSI-CMOS Sensor
- ISO 100 – 51200 ( expands to 50 – 204800)
- Sony E Mount
- Sensor-shift Image Stabilization
- 3.00″ Fully articulated Screen
- 2360k Electronic dot viewfinder
- 10.0fps continuous shooting
- 4K (UHD) – 3840 x 2160 video resolution
- 120fps High-Speed Video
- Built-in Wireless
- 509g. 124 x 71 x 60 mm
- Weather Sealed Body
Sony a7R III Key Specifications
- Basic Specifications
- Full model name: Sony Alpha ILCE-A7R III
- Resolution: 42.40 Megapixels
- Sensor size: 35mm
- (35.9mm x 24.0mm)
- Kit Lens: n/a
- Viewfinder: EVF / LCD
- Native ISO: 100 – 32,000
- Extended ISO: 50 – 102,400
- Shutter: 1/8000 – 30 sec
- Dimensions: 5.0 x 3.8 x 2.9 in.
- (127 x 96 x 74 mm)
- Weight: 23.2 oz (657 g)
- includes batteries
Raw (Sony ARW, 14-bit)
RAW (Sony 14-bit ARW v2.3)
In conclusion, the Sony a7C and Sony a7R III are high-end full-frame mirrorless cameras offering excellent image quality and performance. The Sony a7C is a more compact camera optimized for travel and street photographers who value compactness and versatility. At the same time, the Sony a7R III is a more traditional full-frame camera optimized for serious photographers and professionals who want the best image quality and autofocus system. If you’re looking for a high-end full-frame camera for demanding photography and videography applications, the Sony a7R III might be the better choice. On the other hand, if you’re looking for a compact full-frame camera for everyday photography and travel, the Sony a7C might be the better choice.
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