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Sony A100 vs Sony A77

Portability
64
Imaging
48
Features
38
Overall
44
Sony Alpha DSLR-A100 front
 
Sony SLT-A77 front
Portability
59
Imaging
63
Features
83
Overall
71

Sony A100 vs Sony A77 Key Specs

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
  • Introduced July 2006
  • Succeeded the Konica Minolta 5D
  • Refreshed by Sony A550
Sony A77
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 50 - 16000 (Increase to 25600)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 732g - 143 x 104 x 81mm
  • Introduced October 2011
  • Older Model is Sony A700
  • Newer Model is Sony A77 II
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Sony A100 vs Sony A77 Overview

Here, we are contrasting the Sony A100 versus Sony A77, one being a Entry-Level DSLR and the other is a Advanced DSLR and both are created by Sony. There is a huge difference among the image resolutions of the A100 (10MP) and A77 (24MP) but both cameras have the identical sensor dimensions (APS-C).

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The A100 was unveiled 6 years before the A77 and that is a fairly significant gap as far as camera tech is concerned. The two cameras feature different body design with the Sony A100 being a Compact SLR camera and the Sony A77 being a Mid-size SLR camera.

Before delving straight to a thorough comparison, here is a short introduction of how the A100 grades against the A77 for portability, imaging, features and an overall rating.

Photography Glossary
	
	

Reasons to pick Sony A100 over the Sony A77

 A100 A77 

Reasons to pick Sony A77 over the Sony A100

 A77 A100 
IntroducedOctober 2011July 2006Fresher by 63 months
Display typeFully ArticulatedFixed Fully Articulating display
Display size3"2.5"Larger display (+0.5")
Display resolution921k230kSharper display (+691k dot)
Selfie screen Take selfies

Common features in the Sony A100 and Sony A77

 A100 A77 
Focus manually Very accurate focus
Touch friendly display Neither offers Touch friendly display

Sony A100 vs Sony A77 Physical Comparison

For those who are intending to carry your camera regularly, you will want to consider its weight and proportions. The Sony A100 offers exterior dimensions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") with a weight of 638 grams (1.41 lbs) and the Sony A77 has measurements of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 732 grams (1.61 lbs).

See the Sony A100 versus Sony A77 in the new Camera and 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 the time. The following is a front view overall size comparison of the A100 compared to the A77.

Sony A100 vs Sony A77 size comparison

Considering size and weight, the portability score of the A100 and A77 is 64 and 59 respectively.

Sony A100 vs Sony A77 top view buttons comparison

Sony A100 vs Sony A77 Sensor Comparison

In many cases, it can be difficult to visualize the contrast in sensor sizing just by viewing specs. The photograph here may offer you a clearer sense of the sensor dimensions in the A100 and A77.

All in all, each of these cameras feature the identical sensor size but different megapixels. You should expect to see the Sony A77 to provide you with greater detail having an extra 14MP. Greater resolution can also let you crop images way more aggressively. The older A100 will be disadvantaged in sensor innovation.

Sony A100 vs Sony A77 sensor size comparison

Sony A100 vs Sony A77 Screen and ViewFinder

Sony A100 vs Sony A77 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Sony A100
Portrait photography with Sony A77
52
focusing manually
decent sensor size (APS-C)
saves RAW formats
does not have liveview
low MP (10MP)
77
you can focus manually
good resolution (24MP)
good sensor size (APS-C)
features face detection focusing
saves RAW formats
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Street Comparison

Street photography with Sony A100
Street photography with Sony A77
64
built in image stabilization (Sensor based)
decent sensor size (APS-C)
saves RAW formats
no articulating screen
74
fully articulated screen
built in image stabilization (Sensor based)
good sensor size (APS-C)
saves RAW formats
weather sealing
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Sports Comparison

Sony A100 Sports photography information
Sony A77 Sports photography information
49
built in image stabilization (Sensor based)
decent sensor size (APS-C)
sensor has phase detect autofocus
does not have liveview
slow continuous shooting (3.0 frames per second)
low MP (10 megapixels)
74
high shutter speed (1/8,000s)
built in image stabilization (Sensor based)
good resolution (24MP)
good sensor size (APS-C)
weather sealing
has phase detect AF
bad battery (470 CIPA)
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Travel Comparison

Sony A100 as a Travel photography camera
Sony A77 as a Travel photography camera
45
flash built-in
no Time Lapse function
low MP (10 megapixels)
display is not selfie friendly
62
weather sealing
good resolution (24MP)
built-in flash
selfie friendly screen
doesn't have Time Lapse recording
bad battery (470 per charge)
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Landscape Comparison

Sony A100 Landscape photography features
Sony A77 Landscape photography features
53
focusing manually
switch lenses (Sony/Minolta Alpha mount)
built in image stabilization (Sensor based)
decent sensor size (APS-C)
saves RAW formats
small screen (2.5")
does not have liveview
low MP (10MP)
no Time Lapse function
71
you can focus manually
switch lenses (Sony/Minolta Alpha mount)
pretty good screen size (3 inches)
built in image stabilization (Sensor based)
good resolution (24MP)
good sensor size (APS-C)
saves RAW formats
weather sealing
bad battery (470 per charge)
doesn't have Time Lapse recording
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Vlogging Comparison

Vlogging with Sony A100
Vlogging with Sony A77
9
can't record video
76
selfie friendly screen
built in image stabilization (Sensor based)
features face detection focusing
high quality video (1920 x 1080 resolution)
has external mic jack
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Sony A100 vs Sony A77 Specifications

Detailed spec comparison table for Sony A100 and Sony A77
 Sony Alpha DSLR-A100Sony SLT-A77
General Information
Brand Sony Sony
Model type Sony Alpha DSLR-A100 Sony SLT-A77
Type Entry-Level DSLR Advanced DSLR
Introduced 2006-07-31 2011-10-25
Body design Compact SLR Mid-size SLR
Sensor Information
Chip - Bionz
Sensor type CCD CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.6 x 15.8mm 23.5 x 15.6mm
Sensor area 372.9mm² 366.6mm²
Sensor resolution 10 megapixel 24 megapixel
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Full resolution 3872 x 2592 6000 x 4000
Max native ISO 1600 16000
Max boosted ISO - 25600
Min native ISO 100 50
RAW format
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 9 19
Cross type focus points - 11
Lens
Lens support Sony/Minolta Alpha Sony/Minolta Alpha
Amount of lenses 143 143
Crop factor 1.5 1.5
Screen
Range of display Fixed Type Fully Articulated
Display size 2.5 inches 3 inches
Display resolution 230k dot 921k dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Optical (pentamirror) Electronic
Viewfinder resolution - 2,359k dot
Viewfinder coverage 95 percent 100 percent
Viewfinder magnification 0.55x 0.73x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/4000s 1/8000s
Continuous shooting speed 3.0 frames per second 12.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance - 12.00 m
Flash modes Auto, Fill-in, Red-Eye reduction, Slow Sync, Off Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
AE bracketing
White balance bracketing
Maximum flash sync 1/160s 1/250s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions - 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Max video resolution None 1920x1080
Video file format - MPEG-4, AVCHD, H.264
Mic input
Headphone input
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 638g (1.41 pounds) 732g (1.61 pounds)
Physical dimensions 133 x 95 x 71mm (5.2" x 3.7" x 2.8") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO All around rating 61 78
DXO Color Depth rating 22.0 24.0
DXO Dynamic range rating 11.2 13.2
DXO Low light rating 476 801
Other
Battery life - 470 photos
Battery format - Battery Pack
Battery ID NP-FM55H NP-FM500H
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage Compact Flash (Type I or II) SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots 1 1
Retail price $1,000 $900