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Olympus E-P2 vs Sony A850

Portability
86
Imaging
47
Features
42
Overall
45
Olympus PEN E-P2 front
 
Sony Alpha DSLR-A850 front
Portability
54
Imaging
68
Features
60
Overall
64

Olympus E-P2 vs Sony A850 Key Specs

Olympus E-P2
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • Sensor based Image Stabilization
  • 1280 x 720 video
  • Micro Four Thirds Mount
  • 355g - 121 x 70 x 36mm
  • Revealed April 2010
  • Superseded the Olympus E-P1
  • Newer Model is Olympus E-P3
Sony A850
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Display
  • ISO 200 - 3200 (Boost to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Announced April 2010
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Olympus E-P2 vs Sony A850 Overview

Here is a complete assessment of the Olympus E-P2 and Sony A850, one being a Entry-Level Mirrorless and the other is a Advanced DSLR by competitors Olympus and Sony. There is a crucial difference among the image resolutions of the E-P2 (12MP) and A850 (25MP) and the E-P2 (Four Thirds) and A850 (Full frame) offer different sensor sizing.

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The E-P2 was launched very close to the A850 and they are both of a similar generation. Both of the cameras feature different body design with the Olympus E-P2 being a Rangefinder-style mirrorless camera and the Sony A850 being a Mid-size SLR camera.

Before we go right into a thorough comparison, here is a quick highlight of how the E-P2 grades against the A850 in terms of portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-P2 over the Sony A850

 E-P2 A850 

Reasons to pick Sony A850 over the Olympus E-P2

 A850 E-P2 
Display resolution922k230kClearer display (+692k dot)

Common features in the Olympus E-P2 and Sony A850

 E-P2 A850 
AnnouncedApril 2010April 2010Same generation
Manually focus More exact focusing
Display typeFixed Fixed Fixed display
Display size3"3"Same display measurement
Selfie screen Missing selfie screen
Touch display Missing Touch display

Olympus E-P2 vs Sony A850 Physical Comparison

In case you're planning to carry your camera, you are going to need to take into account its weight and measurements. The Olympus E-P2 features outer dimensions of 121mm x 70mm x 36mm (4.8" x 2.8" x 1.4") accompanied by a weight of 355 grams (0.78 lbs) and the Sony A850 has proportions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") with a weight of 895 grams (1.97 lbs).

Analyze the Olympus E-P2 and Sony A850 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 change depending on the lens you are using at that time. Underneath is a front view overall size comparison of the E-P2 against the A850.

Olympus E-P2 vs Sony A850 size comparison

Using size and weight, the portability score of the E-P2 and A850 is 86 and 54 respectively.

Olympus E-P2 vs Sony A850 top view buttons comparison

Olympus E-P2 vs Sony A850 Sensor Comparison

Often, it is difficult to visualize the gap in sensor sizing purely by going through specifications. The photograph underneath will help give you a far better sense of the sensor dimensions in the E-P2 and A850.

Plainly, both of these cameras come with different megapixels and different sensor sizing. The E-P2 because of its smaller sensor is going to make getting shallow DOF more difficult and the Sony A850 will provide more detail utilizing its extra 13MP. Greater resolution can also help you crop images a good deal more aggressively.

Olympus E-P2 vs Sony A850 sensor size comparison

Olympus E-P2 vs Sony A850 Screen and ViewFinder

Olympus E-P2 vs Sony A850 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Olympus E-P2 as a Portrait photography camera
Sony A850 as a Portrait photography camera
60
you can focus manually
decent sensor size (Four Thirds)
includes face detection focusing
delivers RAW files
resolution not great (12 megapixels)
72
manual focus
megapixel count excellent (25 megapixels)
great sensor size (Full frame)
exports RAW formats
does not have liveview
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Street Comparison

Olympus E-P2 as a Street photography camera
Sony A850 as a Street photography camera
74
has image stabilization (Sensor based)
decent sensor size (Four Thirds)
delivers RAW files
no articulating screen
66
built in image stabilization (Sensor based)
great sensor size (Full frame)
exports RAW formats
weather proofing
no moving screen
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Sports Comparison

Olympus E-P2 Sports photography factors
Sony A850 Sports photography factors
40
has image stabilization (Sensor based)
decent sensor size (Four Thirds)
max frames per second low (3.0 frames/s)
resolution not great (12MP)
not so great battery life (300 shots)
lack of phase detect AF
71
great max shutter speed (1/8,000 seconds)
built in image stabilization (Sensor based)
megapixel count excellent (25MP)
great sensor size (Full frame)
weather proofing
has phase detect autofocus
does not have liveview
slow fps (3.0 frames/s)
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Travel Comparison

Olympus E-P2 Travel photography advice
Sony A850 Travel photography advice
43
no Time Lapse recording
not so great battery life (300 per charge)
resolution not great (12MP)
display isn't selfie friendly
55
weather proofing
megapixel count excellent (25MP)
lack of Time Lapse function
screen is not selfie friendly
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Landscape Comparison

Olympus E-P2 Landscape photography info
Sony A850 Landscape photography info
60
you can focus manually
switch lenses (Micro Four Thirds mount)
nice screen size (3 inches)
has image stabilization (Sensor based)
decent sensor size (Four Thirds)
delivers RAW files
resolution not great (12MP)
not so great battery life (300 shots)
no Time Lapse recording
73
manual focus
change lenses (Sony/Minolta Alpha mount)
screen size is decent (3 inch)
built in image stabilization (Sensor based)
megapixel count excellent (25 megapixels)
great sensor size (Full frame)
exports RAW formats
weather proofing
2 card slots
does not have liveview
lack of Time Lapse function
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Vlogging Comparison

Olympus E-P2 as a Vlogging camera
Sony A850 as a Vlogging camera
29
has image stabilization (Sensor based)
includes face detection focusing
display isn't selfie friendly
video resolution low (1280 x 720 pixels)
no external mic support
9
can't shoot video
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Olympus E-P2 vs Sony A850 Specifications

Detailed spec comparison table for Olympus E-P2 and Sony A850
 Olympus PEN E-P2Sony Alpha DSLR-A850
General Information
Brand Name Olympus Sony
Model type Olympus PEN E-P2 Sony Alpha DSLR-A850
Class Entry-Level Mirrorless Advanced DSLR
Revealed 2010-04-22 2010-04-15
Physical type Rangefinder-style mirrorless Mid-size SLR
Sensor Information
Powered by TruePic V Bionz
Sensor type CMOS CMOS
Sensor size Four Thirds Full frame
Sensor dimensions 17.3 x 13mm 35.9 x 24mm
Sensor surface area 224.9mm² 861.6mm²
Sensor resolution 12 megapixels 25 megapixels
Anti alias filter
Aspect ratio 4:3 3:2 and 16:9
Full resolution 4032 x 3024 6048 x 4032
Max native ISO 6400 3200
Max boosted ISO - 6400
Minimum native ISO 100 200
RAW files
Autofocusing
Manual focusing
Touch focus
Continuous AF
AF single
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 11 9
Lens
Lens support Micro Four Thirds Sony/Minolta Alpha
Number of lenses 107 143
Crop factor 2.1 1
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 3 inch 3 inch
Screen resolution 230k dots 922k dots
Selfie friendly
Liveview
Touch functionality
Screen technology HyperCrystal LCD with AR(Anti-Reflective) coating TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder Electronic (optional) Optical (pentaprism)
Viewfinder coverage - 98 percent
Viewfinder magnification - 0.74x
Features
Lowest shutter speed 60 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/8000 seconds
Continuous shooting rate 3.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Integrated flash
Flash distance no built-in flash no built-in flash
Flash modes Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless
External flash
AE bracketing
White balance bracketing
Highest flash synchronize 1/180 seconds 1/250 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps) -
Max video resolution 1280x720 None
Video file format Motion JPEG -
Mic support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 355 gr (0.78 lb) 895 gr (1.97 lb)
Physical dimensions 121 x 70 x 36mm (4.8" x 2.8" x 1.4") 156 x 117 x 82mm (6.1" x 4.6" x 3.2")
DXO scores
DXO All around rating 56 79
DXO Color Depth rating 21.5 23.8
DXO Dynamic range rating 10.4 12.2
DXO Low light rating 505 1415
Other
Battery life 300 shots 880 shots
Battery style Battery Pack Battery Pack
Battery ID BLS-1 NP-FM500H
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage type SD/SDHC card Compact Flash (Type I or II), UDMA, Memory Stick Duo / Pro Duo
Card slots 1 Dual
Launch pricing $799 $0