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Sony A9 II vs Sony A100

Portability
62
Imaging
75
Features
93
Overall
82
Sony Alpha A9 Mark II front
 
Sony Alpha DSLR-A100 front
Portability
64
Imaging
48
Features
38
Overall
44

Sony A9 II vs Sony A100 Key Specs

Sony A9 II
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 51200 (Expand to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 678g - 129 x 96 x 76mm
  • Announced October 2019
  • Older Model is Sony A9
Sony A100
(Full Review)
  • 10MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 638g - 133 x 95 x 71mm
  • Launched July 2006
  • Succeeded the Konica Minolta 5D
  • Renewed by Sony A550
Photography Glossary

Sony A9 II vs Sony A100 Overview

Lets look a bit more in depth at the Sony A9 II and Sony A100, one is a Pro Mirrorless and the latter is a Entry-Level DSLR and both are offered by Sony. There is a significant difference among the image resolutions of the A9 II (24MP) and A100 (10MP) and the A9 II (Full frame) and A100 (APS-C) come with different sensor dimensions.

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The A9 II was revealed 13 years after the A100 which is a fairly sizable gap as far as camera tech is concerned. Each of the cameras offer different body type with the Sony A9 II being a SLR-style mirrorless camera and the Sony A100 being a Compact SLR camera.

Before we go in to a complete comparison, below is a simple summary of how the A9 II scores versus the A100 when considering portability, imaging, features and an overall score.

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Reasons to pick Sony A9 II over the Sony A100

 A9 II A100 
LaunchedOctober 2019July 2006More modern by 161 months
Screen typeTiltingFixed Tilting screen
Screen sizing3"2.5"Bigger screen (+0.5")
Screen resolution1440k230kSharper screen (+1210k dot)
Touch screen Quickly navigate

Reasons to pick Sony A100 over the Sony A9 II

 A100 A9 II 

Common features in the Sony A9 II and Sony A100

 A9 II A100 
Focus manually Dial accurate focus
Selfie screen Absent selfie screen

Sony A9 II vs Sony A100 Physical Comparison

For anybody who is aiming to carry around your camera regularly, you will need to factor in its weight and size. The Sony A9 II features physical dimensions of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") having a weight of 678 grams (1.49 lbs) whilst the Sony A100 has specifications of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") accompanied by a weight of 638 grams (1.41 lbs).

Examine the Sony A9 II and Sony A100 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you are employing at that moment. The following is the front view measurements comparison of the A9 II vs the A100.

Sony A9 II vs Sony A100 size comparison

Taking into account size and weight, the portability score of the A9 II and A100 is 62 and 64 respectively.

Sony A9 II vs Sony A100 top view buttons comparison

Sony A9 II vs Sony A100 Sensor Comparison

In many cases, its tough to imagine the difference in sensor sizes just by checking out specifications. The image here will offer you a far better sense of the sensor sizes in the A9 II and A100.

Plainly, both the cameras offer different megapixels and different sensor sizes. The A9 II with its bigger sensor is going to make getting shallow DOF simpler and the Sony A9 II will provide more detail because of its extra 14MP. Higher resolution will make it easier to crop photographs a little more aggressively. The younger A9 II provides a benefit in sensor technology.

Sony A9 II vs Sony A100 sensor size comparison

Sony A9 II vs Sony A100 Screen and ViewFinder

Sony A9 II vs Sony A100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A9 II as a Portrait photography camera
Sony A100 as a Portrait photography camera
85
focusing manually
good resolution (24MP)
sensor size is great (Full frame)
includes face detection focus
exports RAW files
52
you can focus manually
nice sensor size (APS-C)
exports RAW formats
no liveview
low MP (10MP)
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Street Comparison

Sony A9 II Street photography features
Sony A100 Street photography features
78
screen tilts up and down
image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
exports RAW files
features touch to focus
environment proofing
very good high ISO (51,200)
64
has image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW formats
screen is fixed
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Sports Comparison

Sony A9 II Sports photography features
Sony A100 Sports photography features
87
great max shutter speed (1/8,000s)
quiet shooting (1/32,000s)
fast shooting (20.0 fps)
image stabilization (Sensor based 5-axis)
good resolution (24MP)
sensor size is great (Full frame)
includes tracking autofocus
environment proofing
better than average battery power (690 shots)
supports phase detect auto focus
49
has image stabilization (Sensor based)
nice sensor size (APS-C)
comes with phase detect AF
no liveview
max fps very slow (3.0 frames per second)
low MP (10 megapixels)
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Travel Comparison

Travel photography with Sony A9 II
Travel photography with Sony A100
73
better than average battery power (690 per charge)
environment proofing
has bluetooth
features touch to focus
good resolution (24 megapixels)
display isn't selfie friendly
45
built-in flash
does not have Time Lapse mode
low MP (10MP)
display is not selfie friendly
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Landscape Comparison

Sony A9 II as a Landscape photography camera
Sony A100 as a Landscape photography camera
86
focusing manually
switch lenses (Sony E mount)
screen size is good (3")
image stabilization (Sensor based 5-axis)
good resolution (24 megapixels)
sensor size is great (Full frame)
very good high ISO (51,200)
exports RAW files
environment proofing
better than average battery power (690 per charge)
has double storage slots
53
you can focus manually
switch lenses (Sony/Minolta Alpha mount)
has image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW formats
screen is somewhat small (2.5 inches)
no liveview
low MP (10MP)
does not have Time Lapse mode
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Vlogging Comparison

Sony A9 II Vlogging highlights
Sony A100 Vlogging highlights
36
touchscreen capability
image stabilization (Sensor based 5-axis)
includes face detection focus
video resolution high (3840 x 2160 pxls)
comes with external mic port
display isn't selfie friendly
9
no video shooting
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Sony A9 II vs Sony A100 Specifications

Detailed spec comparison table for Sony A9 II and Sony A100
 Sony Alpha A9 Mark IISony Alpha DSLR-A100
General Information
Brand Sony Sony
Model type Sony Alpha A9 Mark II Sony Alpha DSLR-A100
Type Pro Mirrorless Entry-Level DSLR
Announced 2019-10-03 2006-07-31
Physical type SLR-style mirrorless Compact SLR
Sensor Information
Chip BIONZ X -
Sensor type BSI-CMOS CCD
Sensor size Full frame APS-C
Sensor dimensions 35.6 x 23.8mm 23.6 x 15.8mm
Sensor area 847.3mm² 372.9mm²
Sensor resolution 24 megapixel 10 megapixel
Anti alias filter
Aspect ratio 3:2 3:2
Maximum resolution 6000 x 4000 3872 x 2592
Maximum native ISO 51200 1600
Maximum boosted ISO 204800 -
Minimum native ISO 100 100
RAW files
Minimum boosted ISO 50 -
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 693 9
Lens
Lens support Sony E Sony/Minolta Alpha
Amount of lenses 121 143
Crop factor 1 1.5
Screen
Display type Tilting Fixed Type
Display size 3" 2.5"
Display resolution 1,440 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Electronic Optical (pentamirror)
Viewfinder resolution 3,686 thousand dots -
Viewfinder coverage 100% 95%
Viewfinder magnification 0.78x 0.55x
Features
Lowest shutter speed 30 secs 30 secs
Highest shutter speed 1/8000 secs 1/4000 secs
Highest quiet shutter speed 1/32000 secs -
Continuous shooting rate 20.0fps 3.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash distance no built-in flash -
Flash modes Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync Auto, Fill-in, Red-Eye reduction, Slow Sync, Off
Hot shoe
AEB
White balance bracketing
Highest flash synchronize - 1/160 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM -
Maximum video resolution 3840x2160 None
Video format MPEG-4, AVCHD, H.264 -
Mic port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 678g (1.49 pounds) 638g (1.41 pounds)
Dimensions 129 x 96 x 76mm (5.1" x 3.8" x 3.0") 133 x 95 x 71mm (5.2" x 3.7" x 2.8")
DXO scores
DXO All around rating not tested 61
DXO Color Depth rating not tested 22.0
DXO Dynamic range rating not tested 11.2
DXO Low light rating not tested 476
Other
Battery life 690 images -
Type of battery Battery Pack -
Battery ID NP-FZ100 NP-FM55H
Self timer Yes (2, 5, 10 secs + continuous, 3 or 5 frames) Yes (2 or 10 sec)
Time lapse feature
Type of storage Dual SD/SDHC/SDXC slots (UHS-II compatible) Compact Flash (Type I or II)
Card slots Two 1
Price at launch $4,498 $1,000