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Olympus E-420 vs Sony A77 II

Portability
77
Imaging
44
Features
36
Overall
40
Olympus E-420 front
 
Sony SLT-A77 II front
Portability
62
Imaging
65
Features
85
Overall
73

Olympus E-420 vs Sony A77 II Key Specs

Olympus E-420
(Full Review)
  • 10MP - Four Thirds Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 1600
  • No Video
  • Micro Four Thirds Mount
  • 426g - 130 x 91 x 53mm
  • Announced June 2008
  • Replaced the Olympus E-410
Sony A77 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 50 - 25600
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 647g - 143 x 104 x 81mm
  • Revealed May 2014
  • Older Model is Sony A77
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Olympus E-420 vs Sony A77 II Overview

Here is a detailed analysis of the Olympus E-420 and Sony A77 II, one being a Entry-Level DSLR and the latter is a Advanced DSLR by brands Olympus and Sony. There exists a crucial gap among the resolutions of the E-420 (10MP) and A77 II (24MP) and the E-420 (Four Thirds) and A77 II (APS-C) offer different sensor measurements.

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The E-420 was announced 6 years earlier than the A77 II and that is a fairly serious gap as far as camera technology is concerned. Each of the cameras feature different body design with the Olympus E-420 being a Compact SLR camera and the Sony A77 II being a Mid-size SLR camera.

Before getting into a thorough comparison, here is a brief synopsis of how the E-420 grades vs the A77 II in regards to portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-420 over the Sony A77 II

 E-420 A77 II 

Reasons to pick Sony A77 II over the Olympus E-420

 A77 II E-420 
RevealedMay 2014June 2008Fresher by 71 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen size3"2.7"Bigger screen (+0.3")
Screen resolution1229k230kClearer screen (+999k dot)
Selfie screen Take selfies

Common features in the Olympus E-420 and Sony A77 II

 E-420 A77 II 
Manual focus Very accurate focus
Touch friendly screen Neither features Touch friendly screen

Olympus E-420 vs Sony A77 II Physical Comparison

For anybody who is intending to carry your camera frequently, you will need to consider its weight and dimensions. The Olympus E-420 enjoys external dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") having a weight of 426 grams (0.94 lbs) whilst the Sony A77 II has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") and a weight of 647 grams (1.43 lbs).

Analyze the Olympus E-420 and Sony A77 II in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you use during that time. Below is a front view size comparison of the E-420 and the A77 II.

Olympus E-420 vs Sony A77 II size comparison

Using dimensions and weight, the portability score of the E-420 and A77 II is 77 and 62 respectively.

Olympus E-420 vs Sony A77 II top view buttons comparison

Olympus E-420 vs Sony A77 II Sensor Comparison

Typically, it's tough to visualize the contrast in sensor sizing only by viewing specs. The graphic here might offer you a far better sense of the sensor dimensions in the E-420 and A77 II.

All in all, each of the cameras feature different megapixels and different sensor sizing. The E-420 with its smaller sensor is going to make shooting shallow depth of field more challenging and the Sony A77 II will result in more detail with its extra 14 Megapixels. Higher resolution will make it easier to crop shots way more aggressively. The older E-420 will be disadvantaged with regard to sensor technology.

Olympus E-420 vs Sony A77 II sensor size comparison

Olympus E-420 vs Sony A77 II Screen and ViewFinder

Olympus E-420 vs Sony A77 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-420
Portrait photography with Sony A77 II
56
you can focus manually
good sensor size (Four Thirds)
supports RAW files
resolution not great (10 megapixels)
79
manual focus
decent sensor resolution (24MP)
sensor size is good (APS-C)
includes face detection focus
delivers RAW files
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Street Comparison

Olympus E-420 as a Street photography camera
Sony A77 II as a Street photography camera
64
good sensor size (Four Thirds)
supports RAW files
lighter than average in class (426 grams)
screen is fixed
lack of image stabilization
76
fully articulated screen
image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW files
weather proofing
great ISO range (25,600)
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Sports Comparison

Olympus E-420 Sports photography highlights
Sony A77 II Sports photography highlights
38
good sensor size (Four Thirds)
supports phase detect auto focus
very slow continuous shooting (4.0 frames per second)
lack of image stabilization
resolution not great (10 megapixels)
low battery pack (500 CIPA)
76
high shutter speed (1/8,000s)
image stabilization (Sensor based)
decent sensor resolution (24MP)
sensor size is good (APS-C)
includes tracking autofocus
weather proofing
sensor has phase detect auto focus
not so great battery life (480 shots)
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Travel Comparison

Olympus E-420 Travel photography highlights
Sony A77 II Travel photography highlights
52
lighter than average in class (426g)
built-in flash
no Timelapse function
low battery pack (500 per charge)
resolution not great (10MP)
display isn't selfie friendly
64
weather proofing
decent sensor resolution (24MP)
flash built-in
selfie friendly screen
missing Timelapse recording
not so great battery life (480 per charge)
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Landscape Comparison

Olympus E-420 as a Landscape photography camera
Sony A77 II as a Landscape photography camera
47
you can focus manually
switch lenses (Micro Four Thirds mount)
good sensor size (Four Thirds)
supports RAW files
screen is somewhat small (2.7")
lack of image stabilization
resolution not great (10 megapixels)
low battery pack (500 shots)
no Timelapse function
73
manual focus
change lenses (Sony/Minolta Alpha mount)
screen size is decent (3 inch)
image stabilization (Sensor based)
decent sensor resolution (24MP)
sensor size is good (APS-C)
great ISO range (25,600)
delivers RAW files
weather proofing
not so great battery life (480 shots)
missing Timelapse recording
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Vlogging Comparison

Olympus E-420 Vlogging information
Sony A77 II Vlogging information
9
no video shooting
77
selfie friendly screen
image stabilization (Sensor based)
includes face detection focus
high res video (1920 x 1080 resolution)
includes external microphone support
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Olympus E-420 vs Sony A77 II Specifications

Detailed spec comparison table for Olympus E-420 and Sony A77 II
 Olympus E-420Sony SLT-A77 II
General Information
Manufacturer Olympus Sony
Model Olympus E-420 Sony SLT-A77 II
Type Entry-Level DSLR Advanced DSLR
Announced 2008-06-23 2014-05-21
Physical type Compact SLR Mid-size SLR
Sensor Information
Powered by TruePic III Bionz X
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.6mm
Sensor surface area 224.9mm² 366.6mm²
Sensor resolution 10 megapixels 24 megapixels
Anti aliasing filter
Aspect ratio 4:3 3:2 and 16:9
Peak resolution 3648 x 2736 6000 x 4000
Highest native ISO 1600 25600
Min native ISO 100 50
RAW format
Autofocusing
Focus manually
Touch focus
Continuous AF
AF single
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 3 79
Cross focus points - 15
Lens
Lens mount Micro Four Thirds Sony/Minolta Alpha
Number of lenses 45 143
Crop factor 2.1 1.5
Screen
Screen type Fixed Type Fully Articulated
Screen diagonal 2.7" 3"
Resolution of screen 230 thousand dots 1,229 thousand dots
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder Optical (pentamirror) Electronic
Viewfinder resolution - 2,359 thousand dots
Viewfinder coverage 95% 100%
Viewfinder magnification 0.46x 0.73x
Features
Minimum shutter speed 60 secs 30 secs
Fastest shutter speed 1/4000 secs 1/8000 secs
Continuous shutter rate 4.0 frames/s 12.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash range 12.00 m (at ISO 100) 12.00 m (at ISO 100)
Flash settings Auto, Auto FP, Manual, Red-Eye Auto, fill, rear sync, slow sync
External flash
AEB
White balance bracketing
Fastest flash synchronize 1/180 secs 1/250 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions - 1920 x 1080 (60p, 60i, 30p), 1440 x 1080 (30p), 640 x 480 (30p)
Highest video resolution None 1920x1080
Video format - MPEG-4, AVCHD, XAVC S
Microphone support
Headphone support
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 426 grams (0.94 lb) 647 grams (1.43 lb)
Physical dimensions 130 x 91 x 53mm (5.1" x 3.6" x 2.1") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO Overall score 56 82
DXO Color Depth score 21.5 24.4
DXO Dynamic range score 10.4 13.4
DXO Low light score 527 1013
Other
Battery life 500 photos 480 photos
Style of battery Battery Pack Battery Pack
Battery model - NP-FM500H
Self timer Yes (2 or 12 sec) Yes (Yes (2 or 12 sec))
Time lapse recording
Type of storage Compact Flash (Type I or II), xD Picture Card SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Card slots One One
Pricing at release $999 $1,198