Fujifilm X-A3 vs Sony a100

This is a full comparison between the cameras Fujifilm X-A3 and Sony a100. We compare them by looking at the categories you see below.

Manufacturing

Fujifilm X-A3 is manufacturered by Fujifilm but Sony a100 is from Sony. Both Fujifilm and Sony are well known brands though.

Fujifilm X-A3 were released 2016 and Sony a100 was released 2006. That is a 10 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Fujifilm X-A3 2016
Sony a100 2006

Type of camera

Fujifilm X-A3 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 X-A3 has a "Fujifilm APS-C"-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.

Camera Focal length, 50mm f/1.8 **
Fujifilm X-A3 75 mm
Fujifilm sensor
Crop factor/focal length multiplier by * 1.5
Sony a100 75 mm
Sony APS-C sensor
Crop factor/focal length multiplier by * 1.5

** 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-A3 has a 24 MP (Megapixels) resolution while Sony a100 has 10 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Fujifilm X-A3 24 MP
24000000 pixels
6000 x 4000
Sony a100 10 MP
10036224 pixels
3872 x 2592

Fujifilm X-A3 has a 139 % 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 X-A3 has a larger ISO-range than Sony a100. Fujifilm X-A3 has an ISO range that stretches from 200 to 6400 while Sony a100 has 100 to 1600.

Camera ISO Range
Fujifilm X-A3 200-6400
Sony a100 100-1600

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 X-A3
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 X-A3 can shoot up to 6 pictures per seconds and Sony a100 can shoot up to 3 pictures per seconds.

Camera FPS (Frames per second)
Fujifilm X-A3 6
Sony a100 3

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 X-A3. 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.

Sony a100 weighs 638 gr (equal to 1.41 lb) which is 88% heavier than Fujifilm X-A3 and its 339 gr (or 0.75 lb).

Camera Weight
Fujifilm X-A3 339 gr
0.75 lb
Sony a100 638 gr
1.41 lb

Fujifilm X-A3 vs Sony a100 Specs

Below you will find the complete and detailed technical specs for both Fujifilm X-A3 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 X-A3
Sony a100
Name Fujifilm X-A3 Sony a100
Manufacturer Fujifilm Sony
Release Date and Price
Fujifilm X-A3
Sony a100
Release Year 2016 2006
Release Date 2016-08-25 2006-06-05
MSRP 599 USD 899 USD
Buy it today
Camera Type
Fujifilm X-A3
Sony a100
Camera Type Mirrorless DSLR
Sensor
Fujifilm X-A3
Sony a100
Sensor Size APS-C (approx 23.5 x 15.6 mm) APS-C (approx 23.5 x 15.6 mm)
Sensor Type CMOS CCD
Resolution 6000 x 4000 pixels 3872 x 2592 pixels
Megapixels 24 MP 10 MP
Image Processor EXR Processor II Bionz
Image
Fujifilm X-A3
Sony a100
ISO Range 200 - 6400 100 - 1600
White Balance Presets 7 7
Custom White Balance Yes Yes
Image Stabilization No Yes
(Sensor-Shift)
Image Stabilization CIPA Rating 0 stops 0 stops
Uncompressed format RAW RAW
Optics & Focus
Fujifilm X-A3
Sony a100
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Focus Points 77 9
Lens Mount Fujifilm X

See Compatible Lenses
Sony A

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
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 X-A3
Sony a100
Articulated LCD Tilting No
Screen size 3” 2.5”
Screen dots 1040000 230000
Touch screen Yes No
Screen type TFT LCD N/A
Live view Yes No
Viewfinder Type No Viewfinder Optical (pentamirror)
Viewfinder Coverage 95%
Viewfinder Magnification 0.83× (0.55× 35mm equiv.)
Viewfinder Resolution 0 N/A
Photography features
Fujifilm X-A3
Sony a100
Frames per second 6 fps 3 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/4000 seconds 1/4000 seconds
Built-in Flash Yes Yes
Built-in Flash Range 7 meters N/A
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse No No
Metering modes Multi
Spot
Average
Multi
Center Weighted
Spot
Exposure Compensation +/- 3 (at 1/3 EV steps) +/- 2 (at 1/3 EV steps)
Videography features
Fujifilm X-A3
Sony a100
Video recording Yes No
Video format MPEG4
H.264
N/A
Video resolution 1280 x 720
1920 x 1080
N/A
Built-in Microphone Yes No
Built-in Speakers Yes No
Storage
Fujifilm X-A3
Sony a100
Memory Card SD/SDHC
Compact Flash
Connectivity
Fujifilm X-A3
Sony a100
HDMI Output Yes No
Microphone Port No No
Headphone Port No No
Wireless Yes
Built-in (802.11b/g/n)
No
Remote Control Yes (wired or via smartphone) Yes (Wire (Optional))
GPS No No
Body & Dimensions
Fujifilm X-A3
Sony a100
Enviromentally sealed No No
Battery Battery Pack Battery Pack
Battery Details NP-W126S lithium-ion battery & USB charger
Lithium-Ion (NP-FM55H) & charger
Battery Life (CIPA) 410 shots 750 shots
Width 117 mm 133 mm
Height 67 mm 95 mm
Depth 40 mm 71 mm
Weight 339 gram 638 gram