Sony Alpha a100 vs Nikon Z6 II

This is a full comparison between the cameras Sony Alpha a100 and Nikon Z6 II. We compare them by looking at the categories you see below.


Sony Alpha a100 is manufacturered by Sony but Nikon Z6 II is from Nikon. Both Sony and Nikon are well known brands though.

Sony Alpha a100 were released 2006 and Nikon Z6 II was released 2020. That is a 14 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Sony Alpha a100 2006
Nikon Z6 II 2020

Type of camera

Sony Alpha a100 is a DSLR camera while Nikon Z6 II is a Mirrorless camera. More information about their differences will come soon.

Sensors / crop factor

These cameras have different sensors. Sony Alpha a100 has a "Sony APS-C"-sensor while Nikon Z6 II has a "Nikon FX"-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 **
Sony Alpha a100 75 mm
Sony APS-C sensor
Crop factor/focal length multiplier by * 1.5
Nikon Z6 II 50 mm
Full-frame sensor
No crop factor/focal length multiplier

** 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)
Camera selection can affect the focal length (Nikon)


Sony Alpha a100 has a 10 MP (Megapixels) resolution while Nikon Z6 II has 25 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Sony Alpha a100 10 MP
10036224 pixels
3872 x 2592
Nikon Z6 II 25 MP
24337152 pixels
6048 x 4024

Nikon Z6 II has a 142 % larger resolution than Sony Alpha 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

Nikon Z6 II has a larger ISO-range than Sony Alpha a100. Nikon Z6 II has an ISO range that stretches from 100 to 51200 while Sony Alpha a100 has 100 to 1600.

Camera ISO Range
Sony Alpha a100 100-1600
Nikon Z6 II 100-51200

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 Alpha a100
Lens compatibility chart for Nikon Z6 II

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony Alpha a100 can shoot up to 3 pictures per seconds and Nikon Z6 II can shoot up to 14 pictures per seconds.

Camera FPS (Frames per second)
Sony Alpha a100 3
Nikon Z6 II 14

Ability to record movies

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

It is only one of these two cameras that support recording movies and movie clips and that is Nikon Z6 II. Sadly, the Sony Alpha a100 does not support this.


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.

Nikon Z6 II weighs 705 gr (equal to 1.55 lb) which is 11% heavier than Sony Alpha a100 and its 638 gr (or 1.41 lb).

Camera Weight
Sony Alpha a100 638 gr
1.41 lb
Nikon Z6 II 705 gr
1.55 lb

Sony Alpha a100 vs Nikon Z6 II Specs

Below you will find the complete and detailed technical specs for both Sony Alpha a100 and Nikon Z6 II, 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.

Sony Alpha a100
Nikon Z6 II
Name Sony Alpha a100 Nikon Z6 II
Manufacturer Sony Nikon
Release Date and Price
Sony Alpha a100
Nikon Z6 II
Release Year 2006 2020
Release Date 2006-06-05 2020-10-14
MSRP 899 USD 1995 USD
Buy it today
Camera Type
Sony Alpha a100
Nikon Z6 II
Camera Type DSLR Mirrorless
Sony Alpha a100
Nikon Z6 II
Sensor Size APS-C (approx 23.5 x 15.6 mm) Full Frame (approx 36 x 23.9 mm)
Also known as "FX"
Sensor Type CCD BSI-CMOS
Resolution 3872 x 2592 pixels 6048 x 4024 pixels
Megapixels 10 MP 25 MP
Image Processor Bionz DUAL EXPEED 6
Sony Alpha a100
Nikon Z6 II
ISO Range 100 - 1600 100 - 51200
White Balance Presets 7 12
Custom White Balance Yes Yes
Image Stabilization Yes
Image Stabilization CIPA Rating 0 stops 0 stops
Uncompressed format RAW RAW + TIFF
Optics & Focus
Sony Alpha a100
Nikon Z6 II
Autofocus Motor Yes Yes
Autofocus Phase Detect
Multi Area
Selective Single Point
Contract Detect (sensor)
Phase Detect
Multi Area
Selective Single Point
Face Detection
Focus Points 9 273
Lens Mount Sony A

See Compatible Lenses
Nikon Z

See Compatible Lenses
Focal Length Multiplier APS-C Sensor (1.5x)
1.5x multiplier
24 mm becomes 36 mm
50 mm becomes 75 mm
100 mm becomes 150 mm
200 mm becomes 300 mm
FX (Full frame)
No multiplier
24 mm remains 24 mm
50 mm remains 50 mm
100 mm remains 100 mm
200 mm remains 200 mm
Screen & Viewfinder
Sony Alpha a100
Nikon Z6 II
Articulated LCD No Tilting
Screen size 2.5 3.2
Screen dots 230000 2100000
Touch screen No Yes
Screen type N/A TFT LCD
Live view No Yes
Viewfinder Type Optical (pentamirror) Electronic
Viewfinder Coverage 95% 100%
Viewfinder Magnification 0.83 (0.55 35mm equiv.) 0.8x
Viewfinder Resolution N/A 3690000
Photography features
Sony Alpha a100
Nikon Z6 II
Frames per second 3 fps 14 fps
Minimum Shutter Speed 30 seconds 900 seconds
Maximum Shutter Speed 1/4000 seconds 1/8000 seconds
Built-in Flash Yes No
Built-in Flash Range N/A N/A
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse No Yes
Metering modes Multi
Center Weighted
Center Weighted
Highlight Weighted
Exposure Compensation +/- 2 (at 1/3 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Sony Alpha a100
Nikon Z6 II
Video recording No Yes
Video format N/A MPEG4
Video resolution N/A 1920 x 1080
3840 x 2160
Built-in Microphone No Yes
Built-in Speakers No Yes
Sony Alpha a100
Nikon Z6 II
Memory Card Compact Flash
Compact Flash Express
Sony Alpha a100
Nikon Z6 II
HDMI Output No Yes
Microphone Port No Yes
Headphone Port No Yes
Wireless No Yes
Built-In (802.11ac + Bluetooth)
Remote Control Yes (Wire (Optional)) Yes (via MC-DC2 or smartphone)
Body & Dimensions
Sony Alpha a100
Nikon Z6 II
Enviromentally sealed No Yes
Battery Battery Pack Battery Pack
Battery Details Lithium-Ion (NP-FM55H) & charger
EN-EL15c lithium-ion battery & charger
Battery Life (CIPA) 750 shots 410 shots
Width 133 mm 134 mm
Height 95 mm 101 mm
Depth 71 mm 70 mm
Weight 638 gram 705 gram