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Sony A7R II vs Sony A100

Portability
68
Imaging
75
Features
84
Overall
78
Sony Alpha A7R II front
 
Sony Alpha DSLR-A100 front
Portability
64
Imaging
48
Features
38
Overall
44

Sony A7R II vs Sony A100 Key Specs

Sony A7R II
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 25600 (Bump to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 625g - 127 x 96 x 60mm
  • Announced June 2015
  • Previous Model is Sony A7R
  • New Model is Sony A7R III
Sony A100
(Full Review)
  • 10MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 638g - 133 x 95 x 71mm
  • Launched July 2006
  • Earlier Model is Konica Minolta 5D
  • Successor is Sony A550
Photography Glossary

Sony A7R II vs Sony A100 Overview

Let's look much closer at the Sony A7R II versus Sony A100, one being a Pro Mirrorless and the other is a Entry-Level DSLR and both of them are designed by Sony. There is a significant difference among the image resolutions of the A7R II (42MP) and A100 (10MP) and the A7R II (Full frame) and A100 (APS-C) have different sensor sizes.

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The A7R II was manufactured 8 years later than the A100 and that is a fairly sizable gap as far as camera tech is concerned. Both cameras feature different body design with the Sony A7R II being a SLR-style mirrorless camera and the Sony A100 being a Compact SLR camera.

Before going straight to a step-by-step comparison, here is a brief overview of how the A7R II scores versus the A100 when it comes to portability, imaging, features and an overall grade.

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Reasons to pick Sony A7R II over the Sony A100

 A7R II A100 
LaunchedJune 2015July 2006More recent by 108 months
Display typeTiltingFixed Tilting display
Display size3"2.5"Larger display (+0.5")
Display resolution1229k230kClearer display (+999k dot)

Reasons to pick Sony A100 over the Sony A7R II

 A100 A7R II 

Common features in the Sony A7R II and Sony A100

 A7R II A100 
Manually focus Dial accurate focusing
Selfie screen Absent selfie screen
Touch friendly display Absent Touch friendly display

Sony A7R II vs Sony A100 Physical Comparison

For those who are going to lug around your camera, you'll need to think about its weight and dimensions. The Sony A7R II enjoys external dimensions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") along with a weight of 625 grams (1.38 lbs) and the Sony A100 has dimensions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") with a weight of 638 grams (1.41 lbs).

Check the Sony A7R II versus Sony A100 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will change depending on the lens you have at the time. Here is a front view over all size comparison of the A7R II vs the A100.

Sony A7R II vs Sony A100 size comparison

Taking into consideration size and weight, the portability grade of the A7R II and A100 is 68 and 64 respectively.

Sony A7R II vs Sony A100 top view buttons comparison

Sony A7R II vs Sony A100 Sensor Comparison

Oftentimes, it's hard to imagine the gap in sensor measurements merely by viewing specs. The visual underneath may offer you a far better sense of the sensor dimensions in the A7R II and A100.

As you can plainly see, both of the cameras come with different megapixel count and different sensor measurements. The A7R II because of its larger sensor is going to make getting shallow DOF easier and the Sony A7R II will result in more detail due to its extra 32MP. Greater resolution will let you crop images a good deal more aggressively. The more modern A7R II provides an advantage when it comes to sensor innovation.

Sony A7R II vs Sony A100 sensor size comparison

Sony A7R II vs Sony A100 Screen and ViewFinder

Sony A7R II vs Sony A100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Sony A7R II
Portrait photography with Sony A100
85
has manual focus
high resolution (42MP)
large sensor size (Full frame)
features face detect focus
supports RAW files
52
you can focus manually
decent sensor size (APS-C)
saves RAW files
no liveview feature
low megapixels (10MP)
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Street Comparison

Sony A7R II Street photography highlights
Sony A100 Street photography highlights
81
tilting screen
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
supports RAW files
weather proofing
good high ISO (25,600)
64
has image stabilization (Sensor based)
decent sensor size (APS-C)
saves RAW files
no articulating screen
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Sports Comparison

Sony A7R II as a Sports photography camera
Sony A100 as a Sports photography camera
76
maximum shutter speed is high (1/8,000s)
has image stabilization (Sensor based 5-axis)
high resolution (42 megapixels)
large sensor size (Full frame)
features tracking focus
weather proofing
has phase detect auto focus
slow continuous shooting (5.0 frames per second)
low battery pack (290 per charge)
49
has image stabilization (Sensor based)
decent sensor size (APS-C)
comes with phase detect AF
no liveview feature
max fps low (3.0 frames/s)
low megapixels (10 megapixels)
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Travel Comparison

Travel photography with Sony A7R II
Travel photography with Sony A100
62
weather proofing
high resolution (42 megapixels)
low battery pack (290 shots)
display isn't selfie friendly
45
has built in flash
missing Timelapse recording
low megapixels (10 megapixels)
doesn't have selfie friendly screen
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Landscape Comparison

Sony A7R II Landscape photography highlights
Sony A100 Landscape photography highlights
82
has manual focus
interchangeable lenses (Sony E mount)
screen size is good (3 inch)
has image stabilization (Sensor based 5-axis)
high resolution (42MP)
large sensor size (Full frame)
doesnt have anti-alias filter
good high ISO (25,600)
supports RAW files
weather proofing
low battery pack (290 CIPA)
53
you can focus manually
swap lenses (Sony/Minolta Alpha mount)
has image stabilization (Sensor based)
decent sensor size (APS-C)
saves RAW files
screen is somewhat small (2.5 inches)
no liveview feature
low megapixels (10MP)
missing Timelapse recording
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Vlogging Comparison

Sony A7R II as a Vlogging camera
Sony A100 as a Vlogging camera
37
has image stabilization (Sensor based 5-axis)
features face detect focus
high res video (3840 x 2160 pixels)
has mic jack
display isn't selfie friendly
9
no video
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Sony A7R II vs Sony A100 Specifications

Detailed spec comparison table for Sony A7R II and Sony A100
 Sony Alpha A7R IISony Alpha DSLR-A100
General Information
Company Sony Sony
Model Sony Alpha A7R II Sony Alpha DSLR-A100
Type Pro Mirrorless Entry-Level DSLR
Announced 2015-06-10 2006-07-31
Body design SLR-style mirrorless Compact SLR
Sensor Information
Processor Chip Bionz X -
Sensor type BSI-CMOS CCD
Sensor size Full frame APS-C
Sensor measurements 35.9 x 24mm 23.6 x 15.8mm
Sensor area 861.6mm² 372.9mm²
Sensor resolution 42 megapixel 10 megapixel
Anti aliasing filter
Aspect ratio 3:2 and 16:9 3:2
Highest resolution 7974 x 5316 3872 x 2592
Highest native ISO 25600 1600
Highest boosted ISO 102400 -
Min native ISO 100 100
RAW files
Min boosted ISO 50 -
Autofocusing
Manual focus
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 399 9
Lens
Lens mount Sony E Sony/Minolta Alpha
Total lenses 121 143
Focal length multiplier 1 1.5
Screen
Range of screen Tilting Fixed Type
Screen size 3" 2.5"
Screen resolution 1,229 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder Electronic Optical (pentamirror)
Viewfinder resolution 2,359 thousand dot -
Viewfinder coverage 100% 95%
Viewfinder magnification 0.78x 0.55x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/8000s 1/4000s
Continuous shooting speed 5.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash -
Flash settings no built-in flash Auto, Fill-in, Red-Eye reduction, Slow Sync, Off
External flash
Auto exposure bracketing
WB bracketing
Maximum flash sync - 1/160s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) -
Highest video resolution 3840x2160 None
Video data format MPEG-4, AVCHD, XAVC S -
Microphone jack
Headphone jack
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 625 grams (1.38 lbs) 638 grams (1.41 lbs)
Physical dimensions 127 x 96 x 60mm (5.0" x 3.8" x 2.4") 133 x 95 x 71mm (5.2" x 3.7" x 2.8")
DXO scores
DXO All around score 98 61
DXO Color Depth score 26.0 22.0
DXO Dynamic range score 13.9 11.2
DXO Low light score 3434 476
Other
Battery life 290 shots -
Battery form Battery Pack -
Battery model NP-FW50 NP-FM55H
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec)
Time lapse feature With downloadable app
Storage media SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo Compact Flash (Type I or II)
Storage slots One One
Launch cost $2,913 $1,000