Sony a7C vs Sony a7 III

This is a full comparison between the cameras Sony a7C and Sony a7 III. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Sony.

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

Both these cameras have the same sorts of sensor (called "Sony Full Frame") which means that if you compare these cameras side by side the lenses will also have the same experienced focal length. Since both cameras have a Full frame sensor there will be no crop factor.

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Sony)

Resolution

Both these cameras have the exact same resolution. Sony a7C has a 24 MP (Megapixels) resolution while Sony a7 III has 24 MP. If we break down this in more detail this is the data behind the numbers:

ISO range

Both of these cameras offer the exact same ISO range. They both have 100 to 51200.

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Sony a7C
Lens compatibility chart for Sony a7 III

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a7C can shoot up to 10 pictures per seconds and Sony a7 III can shoot up to 10 pictures per seconds.

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

In this case, both Sony a7C and Sony a7 III can shoot movies.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Sony a7 III weighs 650 gr (equal to 1.43 lb) which is 28% heavier than Sony a7C and its 509 gr (or 1.12 lb).

Sony a7C vs Sony a7 III Specs

Below you will find the complete and detailed technical specs for both Sony a7C and Sony a7 III, next to each other. Each category of data is a link to an article covering the subject, giving you a deeper understanding so you can better understand the strengths and weaknesses of the two camera models.

Product	Sony a7C	Sony a7 III
Name	Sony a7C	Sony a7 III
Manufacturer	Sony	Sony
Release Date and Price	Sony a7C	Sony a7 III
Release Year	2020	2018
Release Date	2020-09-15	2018-02-27
MSRP	1799 USD	1999 USD
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Camera Type	Sony a7C	Sony a7 III
Camera Type	Mirrorless	Mirrorless
Sensor	Sony a7C	Sony a7 III
Sensor Size	Full Frame (approx 36 x 24 mm)	Full Frame (approx 36 x 24 mm)
Sensor Type	BSI-CMOS	BSI-CMOS
Resolution	6000 x 4000 pixels	6000 x 4000 pixels
Megapixels	24 MP	24 MP
Image Processor	BIONZ X	Bionz X
Image	Sony a7C	Sony a7 III
ISO Range	100 - 51200	100 - 51200
White Balance Presets	7	11
Custom White Balance	Yes	Yes
Image Stabilization	Yes (Sensor-Shift (5-axis))	Yes (Sensor-Shift)
Image Stabilization CIPA Rating	5 stops	5 stops
Uncompressed format	RAW	RAW
Optics & Focus	Sony a7C	Sony a7 III
Autofocus Motor	Yes	Yes
Autofocus	Contract Detect (sensor) Phase Detect Multi Area Center Selective Single Point Tracking Single Continuous Touch Face Detection LiveView	Contract Detect (sensor) Phase Detect Multi Area Center Selective Single Point Tracking Single Continuous Touch Face Detection LiveView
Focus Points	693	693
Lens Mount	Sony E See Compatible Lenses	Sony E See Compatible Lenses
Focal Length Multiplier	Full frame No multiplier Example: 24 mm remains 24 mm 50 mm remains 50 mm 100 mm remains 100 mm 200 mm remains 200 mm	Full frame No multiplier Example: 24 mm remains 24 mm 50 mm remains 50 mm 100 mm remains 100 mm 200 mm remains 200 mm
Screen & Viewfinder	Sony a7C	Sony a7 III
Articulated LCD	Fully articulated	Tilting
Screen size	3”	3”
Screen dots	921600	921600
Touch screen	Yes	Yes
Screen type	TFT LCD	N/A
Live view	Yes	Yes
Viewfinder Type	Electronic	Electronic
Viewfinder Coverage	100%	100%
Viewfinder Magnification	0.59x	0.78x
Viewfinder Resolution	2360000	2359296
Photography features	Sony a7C	Sony a7 III
Frames per second	10 fps	10 fps
Minimum Shutter Speed	30 seconds	30 seconds
Maximum Shutter Speed	1/4000 seconds	1/8000 seconds
Built-in Flash	No	No
Built-in Flash Range	N/A	N/A
External Flash	Yes	Yes
Self-Timer	Yes	Yes
Time-lapse	Yes	No
Metering modes	Multi Center Weighted Highlight Weighted Spot Average	Multi Center Weighted Highlight Weighted Spot Average
Exposure Compensation	+/- 5 (at 1/3 EV, 1/2 EV steps)	+/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features	Sony a7C	Sony a7 III
Video recording	Yes	Yes
Video format	MPEG4 H.264 XAVC-S	MPEG4 H.264 XAVC-S AVCHD
Video resolution	1920 x 1080 3840 x 2160	1920 x 1080 3840 x 2160
Built-in Microphone	Yes	Yes
Built-in Speakers	Yes	Yes
Storage	Sony a7C	Sony a7 III
Memory Card	SD/SDHC	Memory Stick Pro Duo SD/SDHC
Connectivity	Sony a7C	Sony a7 III
HDMI Output	Yes	Yes
Microphone Port	Yes	Yes
Headphone Port	Yes	Yes
Wireless	Yes Built-in (802.11ac (dual-band) + Bluetooth + NFC)	Yes Built-in (with NFC and wireless control via PlayMemories Mobile app)
Remote Control	Yes (via smartphone or Bluetooth)	Wired
GPS	No	No
Body & Dimensions	Sony a7C	Sony a7 III
Enviromentally sealed	Yes	Yes
Battery	Battery Pack	Battery Pack
Battery Details	NP-FZ100 lithium-ion battery & charger	NP-FZ100 lithium-ion battery and charger
Battery Life (CIPA)	740 shots	710 shots
Width	124 mm	127 mm
Height	71 mm	96 mm
Depth	60 mm	74 mm
Weight	509 gram	650 gram