Fujifilm X-T3 vs Sony a7S

This is a full comparison between the cameras Fujifilm X-T3 and Sony a7S. We compare them by looking at the categories you see below.

Manufacturing

Fujifilm X-T3 is manufacturered by Fujifilm but Sony a7S is from Sony. Both Fujifilm and Sony are well known brands though.

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Fujifilm X-T3 has a "Fujifilm APS-C"-sensor while Sony a7S has a "Sony Full Frame"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

** 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:

Resolution

Fujifilm X-T3 has a 26 MP (Megapixels) resolution while Sony a7S has 12 MP. If we break down this in more detail this is the data behind the numbers:

Fujifilm X-T3 has a 116 % larger resolution than Sony a7S. This could give you more details in the picture but also a possibility to crop more in the pictures, afterward while editing the pictures, if needed that is.

ISO range

Sony a7S has a larger ISO-range than Fujifilm X-T3. Sony a7S has an ISO range that stretches from 10 to 102400 while Fujifilm X-T3 has 160 to 12800.

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 Fujifilm X-T3
Lens compatibility chart for Sony a7S

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Fujifilm X-T3 can shoot up to 20 pictures per seconds and Sony a7S can shoot up to 5 pictures per seconds.

Ability to record movies

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

In this case, both Fujifilm X-T3 and Sony a7S 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.

Fujifilm X-T3 weighs 539 gr (equal to 1.19 lb) which is 10% heavier than Sony a7S and its 489 gr (or 1.08 lb).

Fujifilm X-T3 vs Sony a7S Specs

Below you will find the complete and detailed technical specs for both Fujifilm X-T3 and Sony a7S, 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	Fujifilm X-T3	Sony a7S
Name	Fujifilm X-T3	Sony a7S
Manufacturer	Fujifilm	Sony
Release Date and Price	Fujifilm X-T3	Sony a7S
Release Year	2018	2014
Release Date	2018-09-06	2014-04-06
MSRP	1499 USD	2499 USD
Buy it today
Camera Type	Fujifilm X-T3	Sony a7S
Camera Type	Mirrorless	Mirrorless
Sensor	Fujifilm X-T3	Sony a7S
Sensor Size	APS-C (approx 23.5 x 15.6 mm)	Full Frame (approx 36 x 24 mm)
Sensor Type	BSI-CMOS	CMOS
Resolution	6240 x 4160 pixels	4240 x 2832 pixels
Megapixels	26 MP	12 MP
Image Processor	X-Processor 4	Bionz X
Image	Fujifilm X-T3	Sony a7S
ISO Range	160 - 12800	10 - 102400
White Balance Presets	7	10
Custom White Balance	Yes	Yes
Image Stabilization	No	No
Image Stabilization CIPA Rating	0 stops	0 stops
Uncompressed format	RAW	RAW
Optics & Focus	Fujifilm X-T3	Sony a7S
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) Multi Area Center Selective Single Point Single Continuous Face Detection LiveView
Focus Points	425	25
Lens Mount	Fujifilm X See Compatible Lenses	Sony E See Compatible Lenses
Focal Length Multiplier	APS-C Sensor (1.5x) 1.5x multiplier Example: 24 mm becomes 36 mm 50 mm becomes 75 mm 100 mm becomes 150 mm 200 mm becomes 300 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	Fujifilm X-T3	Sony a7S
Articulated LCD	Tilting	Tilting
Screen size	3”	3”
Screen dots	1040000	921000
Touch screen	Yes	No
Screen type	TFT LCD	TFT-LCD
Live view	Yes	Yes
Viewfinder Type	Electronic	Electronic
Viewfinder Coverage	100%	100%
Viewfinder Magnification	1.125× (0.75× 35mm equiv.)	0.71x
Viewfinder Resolution	3690000	N/A
Photography features	Fujifilm X-T3	Sony a7S
Frames per second	20 fps	5 fps
Minimum Shutter Speed	30 seconds	30 seconds
Maximum Shutter Speed	1/8000 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 Spot Average	Multi Center Weighted Spot
Exposure Compensation	+/- 5 (at 1/3 EV steps)	+/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features	Fujifilm X-T3	Sony a7S
Video recording	Yes	Yes
Video format	MPEG4 H.264 H.265	MPEG4 XAVC-S AVCHD
Video resolution	1920 x 1080 3840 x 2160 4096 x 2160
Built-in Microphone	Yes	Yes
Built-in Speakers	Yes	Yes
Storage	Fujifilm X-T3	Sony a7S
Memory Card	SD/SDHC	SD/SDHC
Connectivity	Fujifilm X-T3	Sony a7S
HDMI Output	Yes	Yes
Microphone Port	Yes	Yes
Headphone Port	Yes	Yes
Wireless	Yes Built-in ( 802.11b/g/n + Bluetooth 4.2 LE)	Yes Built-in (with NFC and wireless control via smartphone)
Remote Control	Yes (via smartphone or cable release)	Yes (Wired)
GPS	No	No
Body & Dimensions	Fujifilm X-T3	Sony a7S
Enviromentally sealed	Yes	Yes
Battery	Battery Pack	Battery Pack
Battery Details	NP-W126S lithium-ion battery & charger	NP-FW50 lithium-ion battery and charger
Battery Life (CIPA)	390 shots	380 shots
Width	133 mm	127 mm
Height	93 mm	94 mm
Depth	59 mm	48 mm
Weight	539 gram	489 gram