The black Sony a7C mixes the quality and advantages of a full-frame sensor with an especially portable and sleek body design. Featuring a 24.2MP Exmor R BSI CMOS sensor, the a7C offers hybrid abilities to suit both photo and video recording needs along with a form factor for everyday, all-day carry. The sensor also houses a Fast Hybrid AF system, which uses 693 phase-detection points and 425 contrast-detection areas for quick, intelligent, and precise autofocus performance with support for Real-time Eye AF and Tracking AF technologies. Also benefiting both photo and video needs is 5-axis in-body image stabilization, which compensates for up to five stops of camera shake for sharper handheld shooting. The re-positioned electronic viewfinder is a 0.39"-type OLED with a 2.36m-dot resolution and is complemented by a 3.0" side-opening vari-angle touchscreen LCD.

Built-in Wi-Fi and Bluetooth also enable wireless connectivity for remote camera control and sharing files to a connected mobile device. Also, the copper wiring layer dramatically improves data transmission speed for creating 14-bit, high-resolution stills with a native sensitivity range from ISO 100-51200, which can be further expanded to ISO 50-204800. Also, it enables internal UHD 4K video recording with a wide dynamic range using the full width of the full-frame sensor. The high-speed, 120 fps recording also enables 4x and 5x slow-motion movie recording with the frame rate set to either 30p or 24p. In addition to high-resolution internal recording, uncompressed HDMI output also enables the use of an optional external recorder for clean 4K recording with 4:2:2 8-bit sampling. A compact and lightweight body design, along with a rangefinder-inspired layout, make the a7C a sleek and portable camera for everyday shooting. Compared to other a7-series cameras, the a7C is approximately 20% smaller and lighter, akin to the size of an APS-C-format camera. Rear 3.0" 921.6k-dot rear LCD features a side-open vari-angle design along to benefit working from high, low, and front-facing angles. It's also a touchscreen for intuitive control and playback.

The large-capacity NP-FZ100 battery offers approximately 740 shots per charge when working with the rear LCD or 680 shots per charge when working with the EVF. Built-in Wi-Fi enables the a7C to instantly share imagery to mobile devices for direct sharing online to social networking, via email, and to cloud storage sites. Support for both 2.4 and 5.0 GHz bands also enables wireless tethered shooting support. NFC (Near Field Communication) is also supported, which allows for a one-touch connection between the camera and compatible mobile devices; no complex setup is required. Once connected, the linked mobile device can also display a live view image on its screen and remotely control the camera's shutter.

Included with the camera body is the wide-angle to long-normal FE 28-60mm f/4-5.6 zoom, which is characterized by its retractable design and sleek profile to complement the compact camera body. The optical design incorporates three aspherical elements, which help to reduce distortion and spherical aberrations and promote greater sharpness and accurate rendering. Complementing the optics is a linear motor and internal focusing design, which achieve quick and quiet autofocus performance for both photo and video needs. The lens body is also weather-sealed to permit working in trying environmental conditions.