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Olympus E-PM1 vs Sony A99

Portability
89
Imaging
48
Features
52
Overall
49
Olympus PEN E-PM1 front
 
Sony SLT-A99 front
Portability
57
Imaging
69
Features
88
Overall
76

Olympus E-PM1 vs Sony A99 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
  • Released November 2011
  • Replacement is Olympus E-PM2
Sony A99
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 25600
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 812g - 147 x 111 x 78mm
  • Introduced December 2012
  • Superseded the Sony A900
  • Refreshed by Sony A99 II
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Olympus E-PM1 vs Sony A99 Overview

Let's look more closely at the Olympus E-PM1 vs Sony A99, one is a Entry-Level Mirrorless and the other is a Advanced DSLR by rivals Olympus and Sony. There exists a crucial gap between the sensor resolutions of the E-PM1 (12MP) and A99 (24MP) and the E-PM1 (Four Thirds) and A99 (Full frame) possess different sensor size.

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The E-PM1 was introduced 12 months earlier than the A99 so they are of a similar generation. Each of these cameras offer different body type with the Olympus E-PM1 being a Rangefinder-style mirrorless camera and the Sony A99 being a Mid-size SLR camera.

Before getting in to a in-depth comparison, below is a short summation of how the E-PM1 grades versus the A99 with regard to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-PM1 over the Sony A99

 E-PM1 A99 

Reasons to pick Sony A99 over the Olympus E-PM1

 A99 E-PM1 
IntroducedDecember 2012November 2011Newer by 12 months
Display typeFully ArticulatedFixed Fully Articulating display
Display resolution1229k460kClearer display (+769k dot)
Selfie screen Easy selfies

Common features in the Olympus E-PM1 and Sony A99

 E-PM1 A99 
Manual focus Very accurate focus
Display sizing3"3"Equivalent display size
Touch friendly display Neither contains Touch friendly display

Olympus E-PM1 vs Sony A99 Physical Comparison

If you are intending to travel with your camera often, you will need to think about its weight and dimensions. The Olympus E-PM1 has got outside measurements of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") along with a weight of 265 grams (0.58 lbs) and the Sony A99 has dimensions of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") accompanied by a weight of 812 grams (1.79 lbs).

Analyze the Olympus E-PM1 vs Sony A99 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have chosen at that moment. Underneath is the front view over all size comparison of the E-PM1 against the A99.

Olympus E-PM1 vs Sony A99 size comparison

Taking into consideration dimensions and weight, the portability rating of the E-PM1 and A99 is 89 and 57 respectively.

Olympus E-PM1 vs Sony A99 top view buttons comparison

Olympus E-PM1 vs Sony A99 Sensor Comparison

Sometimes, it is very hard to visualize the difference between sensor dimensions only by checking a spec sheet. The pic underneath may provide you a clearer sense of the sensor sizing in the E-PM1 and A99.

Clearly, the 2 cameras enjoy different megapixels and different sensor dimensions. The E-PM1 with its tinier sensor is going to make achieving bokeh harder and the Sony A99 will give greater detail using its extra 12MP. Greater resolution will also allow you to crop photos far more aggressively. The more aged E-PM1 is going to be disadvantaged when it comes to sensor tech.

Olympus E-PM1 vs Sony A99 sensor size comparison

Olympus E-PM1 vs Sony A99 Screen and ViewFinder

Olympus E-PM1 vs Sony A99 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-PM1 Portrait photography highlights
Sony A99 Portrait photography highlights
60
focusing manually
sensor size is good (Four Thirds)
supports face detection focusing
supports RAW files
low MP (12MP)
81
manual focus
decent megapixels (24MP)
great sensor size (Full frame)
features face detection autofocus
delivers RAW files
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Street Comparison

Olympus E-PM1 Street photography advice
Sony A99 Street photography advice
75
image stabilization (Sensor based)
sensor size is good (Four Thirds)
supports RAW files
no moving screen
75
fully articulated screen
has image stabilization (Sensor based)
great sensor size (Full frame)
delivers RAW files
environment proof
good high ISO (25,600)
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Sports Comparison

Sports photography with Olympus E-PM1
Sports photography with Sony A99
49
image stabilization (Sensor based)
sensor size is good (Four Thirds)
supports tracking autofocus
painfully slow continuous shooting (6.0 fps)
low MP (12 megapixels)
no phase detect AF
78
high shutter speed (1/8,000 seconds)
has image stabilization (Sensor based)
decent megapixels (24 megapixels)
great sensor size (Full frame)
features tracking autofocus
environment proof
supports phase detect autofocus
low battery life (500 shots)
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Travel Comparison

Olympus E-PM1 Travel photography features
Sony A99 Travel photography features
45
lack of Timelapse function
low MP (12 megapixels)
does not have selfie friendly screen
60
environment proof
decent megapixels (24 megapixels)
selfie friendly display
doesn't have Time Lapse mode
low battery life (500 shots)
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Landscape Comparison

Olympus E-PM1 Landscape photography advice
Sony A99 Landscape photography advice
65
focusing manually
swap lenses (Micro Four Thirds mount)
decent sized screen (3")
image stabilization (Sensor based)
sensor size is good (Four Thirds)
supports RAW files
low MP (12MP)
lack of Timelapse function
74
manual focus
change lenses (Sony/Minolta Alpha mount)
screen size is good (3")
has image stabilization (Sensor based)
decent megapixels (24 megapixels)
great sensor size (Full frame)
good high ISO (25,600)
delivers RAW files
environment proof
has dual storage slots
low battery life (500 shots)
doesn't have Time Lapse mode
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Vlogging Comparison

Olympus E-PM1 Vlogging features
Sony A99 Vlogging features
34
image stabilization (Sensor based)
supports face detection focusing
great video quality (1920 x 1080 pxls)
does not have selfie friendly screen
lack of external microphone port
76
selfie friendly display
has image stabilization (Sensor based)
features face detection autofocus
high res video (1920 x 1080 pixels)
comes with external mic jack
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Olympus E-PM1 vs Sony A99 Specifications

Detailed spec comparison table for Olympus E-PM1 and Sony A99
 Olympus PEN E-PM1Sony SLT-A99
General Information
Company Olympus Sony
Model Olympus PEN E-PM1 Sony SLT-A99
Category Entry-Level Mirrorless Advanced DSLR
Released 2011-11-23 2012-12-12
Body design Rangefinder-style mirrorless Mid-size SLR
Sensor Information
Chip TruePic VI Bionz
Sensor type CMOS CMOS
Sensor size Four Thirds Full frame
Sensor dimensions 17.3 x 13mm 35.8 x 23.8mm
Sensor area 224.9mm² 852.0mm²
Sensor resolution 12MP 24MP
Anti aliasing filter
Aspect ratio 4:3 3:2 and 16:9
Max resolution 4032 x 3024 6000 x 4000
Max native ISO 12800 25600
Lowest native ISO 100 100
RAW pictures
Autofocusing
Manual focus
AF touch
Continuous AF
AF single
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 35 19
Cross focus points - 11
Lens
Lens mount Micro Four Thirds Sony/Minolta Alpha
Amount of lenses 107 143
Focal length multiplier 2.1 1
Screen
Range of screen Fixed Type Fully Articulated
Screen sizing 3 inch 3 inch
Screen resolution 460k dot 1,229k dot
Selfie friendly
Liveview
Touch display
Screen technology HyperCrystal LCD AR(Anti-Reflective) coating TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder Electronic (optional) Electronic
Viewfinder resolution - 2,359k dot
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.71x
Features
Minimum shutter speed 60s 30s
Fastest shutter speed 1/4000s 1/8000s
Continuous shutter speed 6.0 frames per sec 10.0 frames per sec
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash range no built-in flash no built-in flash
Flash settings Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
AEB
White balance bracketing
Fastest flash sync 1/160s 1/250s
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 (30fps), 640 x 424 (29.97 fps)
Max video resolution 1920x1080 1920x1080
Video data format AVCHD, Motion JPEG MPEG-4, AVCHD, H.264
Mic input
Headphone input
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 265 gr (0.58 pounds) 812 gr (1.79 pounds)
Dimensions 110 x 64 x 34mm (4.3" x 2.5" x 1.3") 147 x 111 x 78mm (5.8" x 4.4" x 3.1")
DXO scores
DXO Overall score 52 89
DXO Color Depth score 21.0 25.0
DXO Dynamic range score 10.3 14.0
DXO Low light score 499 1555
Other
Battery life 330 images 500 images
Style of battery Battery Pack Battery Pack
Battery model BLS-5 NP-FM500H
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage media SD/SDHC/SDXC Memory Stick PRO Duo/Pro-HG Duo; SD, SDHC and SDXC
Storage slots 1 2
Launch pricing $499 $1,998