Fujifilm GFX 100S vs Sony a100

This is a full comparison between the cameras Fujifilm GFX 100S and Sony a100. We compare them by looking at the categories you see below.

Manufacturing

Fujifilm GFX 100S is manufacturered by Fujifilm but Sony a100 is from Sony. Both Fujifilm and Sony are well known brands though.

Type of camera

Fujifilm GFX 100S is a Mirrorless camera while Sony a100 is a DSLR camera. More information about their differences will come soon.

Sensors / crop factor

These cameras have different sensors. Fujifilm GFX 100S has a "Fujifilm Medium Format"-sensor while Sony a100 has a "Sony APS-C"-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 GFX 100S has a 102 MP (Megapixels) resolution while Sony a100 has 10 MP. If we break down this in more detail this is the data behind the numbers:

Fujifilm GFX 100S has a 914 % larger resolution than Sony a100. 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

Fujifilm GFX 100S has a larger ISO-range than Sony a100. Fujifilm GFX 100S has an ISO range that stretches from 100 to 12800 while Sony a100 has 100 to 1600.

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 GFX 100S
Lens compatibility chart for Sony a100

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Fujifilm GFX 100S can shoot up to 5 pictures per seconds and Sony a100 can shoot up to 3 pictures per seconds.

Ability to record movies

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

When comparing these two cameras there is only one of them that can shoot movies and that is Fujifilm GFX 100S. Unfortunately Sony a100 does not support recording movies and movie clips.

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 GFX 100S weighs 900 gr (equal to 1.98 lb) which is 41% heavier than Sony a100 and its 638 gr (or 1.41 lb).

Fujifilm GFX 100S vs Sony a100 Specs

Below you will find the complete and detailed technical specs for both Fujifilm GFX 100S and Sony a100, 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 GFX 100S	Sony a100
Name	Fujifilm GFX 100S	Sony a100
Manufacturer	Fujifilm	Sony
Release Date and Price	Fujifilm GFX 100S	Sony a100
Release Year	2021	2006
Release Date	2021-01-27	2006-06-05
MSRP	5999 USD	899 USD
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Camera Type	Fujifilm GFX 100S	Sony a100
Camera Type	Mirrorless	DSLR
Sensor	Fujifilm GFX 100S	Sony a100
Sensor Size	Medium Format (approx 44 x 33 mm)	APS-C (approx 23.5 x 15.6 mm)
Sensor Type	BSI-CMOS	CCD
Resolution	11648 x 8736 pixels	3872 x 2592 pixels
Megapixels	102 MP	10 MP
Image Processor	X-Processor 4	Bionz
Image	Fujifilm GFX 100S	Sony a100
ISO Range	100 - 12800	100 - 1600
White Balance Presets	7	7
Custom White Balance	Yes	Yes
Image Stabilization	Yes (Sensor-Shift)	Yes (Sensor-Shift)
Image Stabilization CIPA Rating	6 stops	0 stops
Uncompressed format	RAW + TIFF	RAW
Optics & Focus	Fujifilm GFX 100S	Sony a100
Autofocus Motor	Yes	Yes
Autofocus	Contract Detect (sensor) Phase Detect Multi Area Center Selective Single Point Tracking Single Continuous Touch Face Detection LiveView	Phase Detect Multi Area Selective Single Point Single Continuous
Focus Points	425	9
Lens Mount	Fujifilm G See Compatible Lenses	Sony A See Compatible Lenses
Focal Length Multiplier	Medium Format 0.79x multiplier Example: 24 mm becomes 19 mm 50 mm becomes 40 mm 100 mm becomes 79 mm 200 mm becomes 158 mm	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
Screen & Viewfinder	Fujifilm GFX 100S	Sony a100
Articulated LCD	Tilting	No
Screen size	3.2”	2.5”
Screen dots	2360000	230000
Touch screen	Yes	No
Screen type	TFT LCD	N/A
Live view	Yes	No
Viewfinder Type	Electronic	Optical (pentamirror)
Viewfinder Coverage	100%	95%
Viewfinder Magnification	0.61× (0.77× 35mm equiv.)	0.83× (0.55× 35mm equiv.)
Viewfinder Resolution	3690000	N/A
Photography features	Fujifilm GFX 100S	Sony a100
Frames per second	5 fps	3 fps
Minimum Shutter Speed	30 seconds	30 seconds
Maximum Shutter Speed	1/4000 seconds	1/4000 seconds
Built-in Flash	No	Yes
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)	+/- 2 (at 1/3 EV steps)
Videography features	Fujifilm GFX 100S	Sony a100
Video recording	Yes	No
Video format	MPEG4 H.264 H.265	N/A
Video resolution	1920 x 1080 3840 x 2160 4096 x 2160	N/A
Built-in Microphone	Yes	No
Built-in Speakers	Yes	No
Storage	Fujifilm GFX 100S	Sony a100
Memory Card	SD/SDHC	Compact Flash
Connectivity	Fujifilm GFX 100S	Sony a100
HDMI Output	Yes	No
Microphone Port	Yes	No
Headphone Port	Yes	No
Wireless	Yes Built-in (802.11 b/g/n + Bluetooth)	No
Remote Control	Supported (no further information)	Yes (Wire (Optional))
GPS	No	No
Body & Dimensions	Fujifilm GFX 100S	Sony a100
Enviromentally sealed	Yes	No
Battery	Battery Pack	Battery Pack
Battery Details	NP-W235 lithium-ion battery & charger	Lithium-Ion (NP-FM55H) & charger
Battery Life (CIPA)	460 shots	750 shots
Width	150 mm	133 mm
Height	104 mm	95 mm
Depth	87 mm	71 mm
Weight	900 gram	638 gram