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Olympus E-620 vs Sony A33

Portability
71
Imaging
47
Features
50
Overall
48
Olympus E-620 front
 
Sony SLT-A33 front
Portability
67
Imaging
54
Features
80
Overall
64

Olympus E-620 vs Sony A33 Key Specs

Olympus E-620
(Full Review)
  • 12MP - Four Thirds Sensor
  • 2.7" Fully Articulated Screen
  • ISO 100 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Micro Four Thirds Mount
  • 500g - 130 x 94 x 60mm
  • Announced July 2009
Sony A33
(Full Review)
  • 14MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 12800 (Bump to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Released August 2010
  • Replacement is Sony A35
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Olympus E-620 vs Sony A33 Overview

In this write-up, we will be matching up the Olympus E-620 versus Sony A33, both Entry-Level DSLR digital cameras by competitors Olympus and Sony. The sensor resolution of the E-620 (12MP) and the A33 (14MP) is relatively well matched but the E-620 (Four Thirds) and A33 (APS-C) use totally different sensor measurements.

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The E-620 was launched 13 months prior to the A33 which makes the cameras a generation away from each other. The two cameras offer the identical body type (Compact SLR).

Before diving through a thorough comparison, below is a concise synopsis of how the E-620 matches up versus the A33 in the way of portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-620 over the Sony A33

 E-620 A33 

Reasons to pick Sony A33 over the Olympus E-620

 A33 E-620 
ReleasedAugust 2010July 2009Newer by 13 months
Screen sizing3"2.7"Bigger screen (+0.3")
Screen resolution921k230kCrisper screen (+691k dot)

Common features in the Olympus E-620 and Sony A33

 E-620 A33 
Focus manually Very precise focusing
Screen typeFully ArticulatedFully ArticulatedFully Articulated screen
Selfie screen Both are selfie friendly
Touch friendly screen Lack of Touch friendly screen

Olympus E-620 vs Sony A33 Physical Comparison

For those who are planning to travel with your camera regularly, you have to consider its weight and measurements. The Olympus E-620 provides exterior measurements of 130mm x 94mm x 60mm (5.1" x 3.7" x 2.4") and a weight of 500 grams (1.10 lbs) and the Sony A33 has proportions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") with a weight of 500 grams (1.10 lbs).

Contrast the Olympus E-620 versus Sony A33 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will change based on the lens you are utilizing at that moment. Below is the front view dimensions comparison of the E-620 against the A33.

Olympus E-620 vs Sony A33 size comparison

Looking at size and weight, the portability rating of the E-620 and A33 is 71 and 67 respectively.

Olympus E-620 vs Sony A33 top view buttons comparison

Olympus E-620 vs Sony A33 Sensor Comparison

Often, it can be difficult to see the contrast between sensor dimensions just by reading through specs. The pic underneath should provide you a more clear sense of the sensor measurements in the E-620 and A33.

All in all, each of these cameras offer different megapixel count and different sensor dimensions. The E-620 because of its tinier sensor will make shooting shallow depth of field more difficult and the Sony A33 will give extra detail utilizing its extra 2 Megapixels. Higher resolution can also help you crop photographs a little more aggressively. The more aged E-620 is going to be behind with regard to sensor technology.

Olympus E-620 vs Sony A33 sensor size comparison

Olympus E-620 vs Sony A33 Screen and ViewFinder

Olympus E-620 vs Sony A33 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-620 as a Portrait photography camera
Sony A33 as a Portrait photography camera
60
you can focus manually
good sensor size (Four Thirds)
features face detection focusing
saves RAW formats
low MP (12MP)
72
focusing manually
megapixel count decent (14 megapixels)
sensor size is decent (APS-C)
includes face detection focus
saves RAW files
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Street Comparison

Olympus E-620 as a Street photography camera
Sony A33 as a Street photography camera
76
screen can move to multiple angles
has image stabilization (Sensor based)
good sensor size (Four Thirds)
saves RAW formats
76
screen articulates fully
image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW files
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Sports Comparison

Sports photography with Olympus E-620
Sports photography with Sony A33
48
has image stabilization (Sensor based)
good sensor size (Four Thirds)
sensor has phase detect AF
low frames per second (4.0 frames/s)
low MP (12 megapixels)
bad battery (500 shots)
67
image stabilization (Sensor based)
megapixel count decent (14 megapixels)
sensor size is decent (APS-C)
supports phase detect auto focus
bad battery (340 per charge)
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Travel Comparison

Travel photography with Olympus E-620
Travel photography with Sony A33
53
has built in flash
display is selfie friendly
missing Timelapse recording
bad battery (500 per charge)
low MP (12MP)
61
megapixel count decent (14 megapixels)
flash built-in
selfie friendly display
missing Timelapse function
bad battery (340 shots)
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Landscape Comparison

Olympus E-620 Landscape photography highlights
Sony A33 Landscape photography highlights
53
you can focus manually
switch lenses (Micro Four Thirds mount)
has image stabilization (Sensor based)
good sensor size (Four Thirds)
saves RAW formats
screen is small (2.7")
low MP (12 megapixels)
bad battery (500 per charge)
missing Timelapse recording
67
focusing manually
swap lenses (Sony/Minolta Alpha mount)
nice screen size (3 inches)
image stabilization (Sensor based)
megapixel count decent (14MP)
sensor size is decent (APS-C)
saves RAW files
bad battery (340 CIPA)
missing Timelapse function
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Vlogging Comparison

Olympus E-620 Vlogging details
Sony A33 Vlogging details
18
no video shooting
77
selfie friendly display
image stabilization (Sensor based)
includes face detection focus
high video quality (1920 x 1080 pxls)
comes with external microphone socket
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Olympus E-620 vs Sony A33 Specifications

Detailed spec comparison table for Olympus E-620 and Sony A33
 Olympus E-620Sony SLT-A33
General Information
Company Olympus Sony
Model Olympus E-620 Sony SLT-A33
Category Entry-Level DSLR Entry-Level DSLR
Announced 2009-07-06 2010-08-24
Physical type Compact SLR Compact SLR
Sensor Information
Powered by TruePic III+ Bionz
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.6mm
Sensor area 224.9mm² 366.6mm²
Sensor resolution 12 megapixels 14 megapixels
Anti aliasing filter
Aspect ratio 4:3, 3:2 and 16:9 3:2 and 16:9
Maximum resolution 4032 x 3024 4592 x 3056
Maximum native ISO 3200 12800
Maximum boosted ISO - 25600
Min native ISO 100 100
RAW format
Autofocusing
Manual focus
Touch to focus
AF continuous
AF single
AF tracking
Selective AF
AF center weighted
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 7 15
Cross focus points - 3
Lens
Lens mounting type Micro Four Thirds Sony/Minolta Alpha
Number of lenses 45 143
Focal length multiplier 2.1 1.5
Screen
Screen type Fully Articulated Fully Articulated
Screen diagonal 2.7" 3"
Resolution of screen 230 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch display
Screen tech HyperCrystal LCD -
Viewfinder Information
Viewfinder type Optical (pentamirror) Electronic
Viewfinder resolution - 1,150 thousand dots
Viewfinder coverage 95% 100%
Viewfinder magnification 0.48x 0.73x
Features
Slowest shutter speed 60 secs 30 secs
Maximum shutter speed 1/4000 secs 1/4000 secs
Continuous shooting rate 4.0 frames per sec 7.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash range 12.00 m 10.00 m (@ ISO 100)
Flash settings Auto, On, Off, Red-Eye, Slow Sync, Front curtain, Rear curtain, Fill-in, Manual Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
AEB
WB bracketing
Maximum flash synchronize 1/180 secs 1/160 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions - 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Maximum video resolution None 1920x1080
Video data format - MPEG-4, AVCHD, H.264
Microphone port
Headphone port
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 500 grams (1.10 lb) 500 grams (1.10 lb)
Dimensions 130 x 94 x 60mm (5.1" x 3.7" x 2.4") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO All around score 55 70
DXO Color Depth score 21.3 22.8
DXO Dynamic range score 10.3 12.6
DXO Low light score 536 591
Other
Battery life 500 shots 340 shots
Battery type Battery Pack Battery Pack
Battery model BLS-1 NP-FW50
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage Compact Flash (Type I or II), xD Picture Card SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots 1 1
Launch cost $799 $230