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Olympus E-PM1 vs Sony NEX-7

Portability
89
Imaging
47
Features
52
Overall
49
Olympus PEN E-PM1 front
 
Sony Alpha NEX-7 front
Portability
84
Imaging
63
Features
71
Overall
66

Olympus E-PM1 vs Sony NEX-7 Key Specs

Olympus E-PM1
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fixed Screen
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 265g - 110 x 64 x 34mm
  • Introduced November 2011
  • Later Model is Olympus E-PM2
Sony NEX-7
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Tilting Display
  • ISO 100 - 16000
  • 1920 x 1080 video
  • Sony E Mount
  • 400g - 120 x 67 x 43mm
  • Released December 2011
Photography Glossary

Olympus E-PM1 vs Sony NEX-7 Overview

Following is a complete overview of the Olympus E-PM1 vs Sony NEX-7, one is a Entry-Level Mirrorless and the other is a Advanced Mirrorless by companies Olympus and Sony. There exists a significant gap among the image resolutions of the E-PM1 (12MP) and NEX-7 (24MP) and the E-PM1 (Four Thirds) and NEX-7 (APS-C) come with different sensor size.

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The E-PM1 was launched very close to the NEX-7 so they are of a similar generation. The two cameras come with the identical body type (Rangefinder-style mirrorless).

Before delving in to a step-by-step comparison, below is a brief highlight of how the E-PM1 scores versus the NEX-7 in terms of portability, imaging, features and an overall score.

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Reasons to pick Olympus E-PM1 over the Sony NEX-7

 E-PM1 NEX-7 

Reasons to pick Sony NEX-7 over the Olympus E-PM1

 NEX-7 E-PM1 
Display typeTiltingFixed Tilting display
Display resolution921k460kCrisper display (+461k dot)

Common features in the Olympus E-PM1 and Sony NEX-7

 E-PM1 NEX-7 
ReleasedNovember 2011December 2011Same generation
Focus manually Very accurate focusing
Display dimension3"3"Identical display size
Selfie screen Neither features selfie screen
Touch friendly display Missing Touch friendly display

Olympus E-PM1 vs Sony NEX-7 Physical Comparison

For those who are intending to carry around your camera, you will want to factor its weight and proportions. The Olympus E-PM1 enjoys external dimensions of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") and a weight of 265 grams (0.58 lbs) whilst the Sony NEX-7 has measurements of 120mm x 67mm x 43mm (4.7" x 2.6" x 1.7") with a weight of 400 grams (0.88 lbs).

Check out the Olympus E-PM1 vs Sony NEX-7 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you have during that time. Following is the front view measurements comparison of the E-PM1 and the NEX-7.

Olympus E-PM1 vs Sony NEX-7 size comparison

Taking into account dimensions and weight, the portability rating of the E-PM1 and NEX-7 is 89 and 84 respectively.

Olympus E-PM1 vs Sony NEX-7 top view buttons comparison

Olympus E-PM1 vs Sony NEX-7 Sensor Comparison

Typically, it is very tough to imagine the contrast in sensor sizes just by looking through specs. The image below will help provide you a better sense of the sensor sizes in the E-PM1 and NEX-7.

As you can plainly see, the two cameras have got different megapixel count and different sensor sizes. The E-PM1 featuring a smaller sensor is going to make achieving shallower DOF more difficult and the Sony NEX-7 will provide you with more detail utilizing its extra 12MP. Greater resolution will also let you crop pics much more aggressively.

Olympus E-PM1 vs Sony NEX-7 sensor size comparison

Olympus E-PM1 vs Sony NEX-7 Screen and ViewFinder

Olympus E-PM1 vs Sony NEX-7 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-PM1
Portrait photography with Sony NEX-7
60
you can focus manually
nice sensor size (Four Thirds)
includes face detect focus
saves RAW files
megapixel count low (12 megapixels)
77
has manual focus
decent sensor resolution (24 megapixels)
sensor size is good (APS-C)
provides face detection focus
exports RAW files
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Street Comparison

Olympus E-PM1 Street photography features
Sony NEX-7 Street photography features
75
has image stabilization (Sensor based)
nice sensor size (Four Thirds)
saves RAW files
no moving screen
76
screen tilts
sensor size is good (APS-C)
exports RAW files
no image stabilization
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Sports Comparison

Sports photography with Olympus E-PM1
Sports photography with Sony NEX-7
48
has image stabilization (Sensor based)
nice sensor size (Four Thirds)
includes tracking focus
max fps low (6.0 frames/s)
megapixel count low (12 megapixels)
doesn't have phase detect auto focus
61
decent sensor resolution (24MP)
sensor size is good (APS-C)
good battery power (430 per charge)
no image stabilization
does not have phase detect auto focus
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Travel Comparison

Olympus E-PM1 Travel photography information
Sony NEX-7 Travel photography information
45
missing Time Lapse mode
megapixel count low (12MP)
doesn't have a selfie friendly screen
70
good battery power (430 per charge)
decent sensor resolution (24MP)
flash built-in
doesn't have Time Lapse recording
doesn't offer selfie friendly screen
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Landscape Comparison

Olympus E-PM1 Landscape photography highlights
Sony NEX-7 Landscape photography highlights
65
you can focus manually
change lenses (Micro Four Thirds mount)
decent sized screen (3 inch)
has image stabilization (Sensor based)
nice sensor size (Four Thirds)
saves RAW files
megapixel count low (12MP)
missing Time Lapse mode
72
has manual focus
swap lenses (Sony E mount)
decent sized screen (3")
decent sensor resolution (24 megapixels)
sensor size is good (APS-C)
exports RAW files
good battery power (430 CIPA)
no image stabilization
doesn't have Time Lapse recording
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Vlogging Comparison

Olympus E-PM1 Vlogging factors
Sony NEX-7 Vlogging factors
34
has image stabilization (Sensor based)
includes face detect focus
video resolution high (1920 x 1080 resolution)
doesn't have a selfie friendly screen
missing mic socket
35
provides face detection focus
video res high (1920 x 1080 pixels)
does have external mic socket
doesn't offer selfie friendly screen
no image stabilization
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Olympus E-PM1 vs Sony NEX-7 Specifications

Detailed spec comparison table for Olympus E-PM1 and Sony NEX-7
 Olympus PEN E-PM1Sony Alpha NEX-7
General Information
Make Olympus Sony
Model Olympus PEN E-PM1 Sony Alpha NEX-7
Category Entry-Level Mirrorless Advanced Mirrorless
Introduced 2011-11-23 2011-12-13
Physical type Rangefinder-style mirrorless Rangefinder-style mirrorless
Sensor Information
Powered by TruePic VI Bionz
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor dimensions 17.3 x 13mm 23.5 x 15.6mm
Sensor area 224.9mm² 366.6mm²
Sensor resolution 12 megapixels 24 megapixels
Anti aliasing filter
Aspect ratio 4:3 3:2 and 16:9
Full resolution 4032 x 3024 6000 x 4000
Max native ISO 12800 16000
Minimum native ISO 100 100
RAW images
Autofocusing
Manual focus
Autofocus touch
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 35 25
Lens
Lens mount Micro Four Thirds Sony E
Number of lenses 107 121
Focal length multiplier 2.1 1.5
Screen
Type of screen Fixed Type Tilting
Screen diagonal 3 inches 3 inches
Screen resolution 460k dots 921k dots
Selfie friendly
Liveview
Touch function
Screen technology HyperCrystal LCD AR(Anti-Reflective) coating -
Viewfinder Information
Viewfinder type Electronic (optional) Electronic
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.73x
Features
Lowest shutter speed 60 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/4000 seconds
Continuous shooting rate 6.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change white balance
Image stabilization
Built-in flash
Flash range no built-in flash 6.00 m
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
Hot shoe
AEB
WB bracketing
Highest flash synchronize 1/160 seconds 1/160 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) 1920 x 1080 (60, 24 fps), 1440 x 1080 (30 fps), 640 x 480 (30 fps)
Max video resolution 1920x1080 1920x1080
Video data format AVCHD, Motion JPEG MPEG-4, AVCHD
Mic 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 265g (0.58 lb) 400g (0.88 lb)
Dimensions 110 x 64 x 34mm (4.3" x 2.5" x 1.3") 120 x 67 x 43mm (4.7" x 2.6" x 1.7")
DXO scores
DXO All around score 52 81
DXO Color Depth score 21.0 24.1
DXO Dynamic range score 10.3 13.4
DXO Low light score 499 1016
Other
Battery life 330 photos 430 photos
Style of battery Battery Pack Battery Pack
Battery model BLS-5 NPFW50
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec, 10sec (3 or 5 images))
Time lapse feature
Storage type SD/SDHC/SDXC SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots One One
Launch price $499 $699