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Olympus E-M10 vs Pentax E85

Portability
82
Imaging
53
Features
73
Overall
61
Olympus OM-D E-M10 front
 
Pentax Optio E85 front
Portability
95
Imaging
35
Features
10
Overall
25

Olympus E-M10 vs Pentax E85 Key Specs

Olympus E-M10
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Screen
  • ISO 200 - 25600
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 396g - 119 x 82 x 46mm
  • Launched March 2014
  • Refreshed by Olympus E-M10 II
Pentax E85
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 3200
  • 640 x 480 video
  • 32-96mm (F2.9-5.2) lens
  • 145g - 93 x 58 x 24mm
  • Introduced September 2009
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Olympus E-M10 vs Pentax E85 Overview

Here is a in depth comparison of the Olympus E-M10 and Pentax E85, one being a Entry-Level Mirrorless and the other is a Small Sensor Compact by companies Olympus and Pentax. There exists a crucial gap among the sensor resolutions of the E-M10 (16MP) and E85 (12MP) and the E-M10 (Four Thirds) and E85 (1/2.3") enjoy totally different sensor size.

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The E-M10 was introduced 4 years later than the E85 and that is a fairly serious gap as far as camera technology is concerned. The two cameras come with different body type with the Olympus E-M10 being a SLR-style mirrorless camera and the Pentax E85 being a Compact camera.

Before delving in to a more detailed comparison, below is a short summary of how the E-M10 scores versus the E85 when it comes to portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-M10 over the Pentax E85

 E-M10 E85 
IntroducedMarch 2014September 2009Fresher by 55 months
Focus manually Dial exact focus
Display typeTiltingFixed Tilting display
Display dimension3"2.7"Larger display (+0.3")
Display resolution1037k230kClearer display (+807k dot)
Touch display Easily navigate

Reasons to pick Pentax E85 over the Olympus E-M10

 E85 E-M10 

Common features in the Olympus E-M10 and Pentax E85

 E-M10 E85 
Selfie screen Absent selfie screen

Olympus E-M10 vs Pentax E85 Physical Comparison

If you're looking to carry your camera, you should factor in its weight and proportions. The Olympus E-M10 provides outer dimensions of 119mm x 82mm x 46mm (4.7" x 3.2" x 1.8") with a weight of 396 grams (0.87 lbs) whilst the Pentax E85 has measurements of 93mm x 58mm x 24mm (3.7" x 2.3" x 0.9") with a weight of 145 grams (0.32 lbs).

See the Olympus E-M10 and Pentax E85 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will change depending on the lens you have at that moment. The following is the front view measurements comparison of the E-M10 compared to the E85.

Olympus E-M10 vs Pentax E85 size comparison

Taking into account dimensions and weight, the portability rating of the E-M10 and E85 is 82 and 95 respectively.

Olympus E-M10 vs Pentax E85 top view buttons comparison

Olympus E-M10 vs Pentax E85 Sensor Comparison

Typically, its difficult to envision the contrast in sensor sizing only by seeing technical specs. The visual below may offer you a greater sense of the sensor sizes in the E-M10 and E85.

As you can tell, each of these cameras have got different megapixels and different sensor sizing. The E-M10 using its larger sensor will make achieving shallower depth of field easier and the Olympus E-M10 will produce extra detail using its extra 4 Megapixels. Greater resolution can also help you crop photos much more aggressively. The more modern E-M10 will have an edge with regard to sensor tech.

Olympus E-M10 vs Pentax E85 sensor size comparison

Olympus E-M10 vs Pentax E85 Screen and ViewFinder

Olympus E-M10 vs Pentax E85 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M10 as a Portrait photography camera
Pentax E85 as a Portrait photography camera
71
manual focus
good MP (16MP)
sensor size is nice (Four Thirds)
offers face detect focus
supports RAW files
21
no manual focus
manual mode not possible
no external flash support
sensor resolution not great (12 megapixels)
sensor is small (1/2.3")
no RAW support
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Street Comparison

Street photography with Olympus E-M10
Street photography with Pentax E85
77
screen tilts up and down
has image stabilization (Sensor based)
sensor size is nice (Four Thirds)
supports RAW files
has touch to focus
above average high ISO (25,600)
heavier than competitors (396 grams)
47
no articulating screen
lack of image stabilization
sensor is small (1/2.3")
no RAW support
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Sports Comparison

Olympus E-M10 Sports photography highlights
Pentax E85 Sports photography highlights
66
has image stabilization (Sensor based)
good MP (16MP)
sensor size is nice (Four Thirds)
offers tracking focus
lacks phase detect auto focus
17
max fps very slow (1.0 frames/s)
no shutter priority
lack of image stabilization
sensor resolution not great (12MP)
sensor is small (1/2.3")
no phase detect autofocus
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Travel Comparison

Olympus E-M10 as a Travel photography camera
Pentax E85 as a Travel photography camera
67
has touch to focus
good MP (16MP)
built-in flash
heavier than competitors (396 grams)
display isn't selfie friendly
51
built-in flash
does not have Timelapse mode
sensor resolution not great (12MP)
screen isn't selfie friendly
wide angle not great (32mm)
somewhat slow maximum aperture (f2.9)
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Landscape Comparison

Landscape photography with Olympus E-M10
Landscape photography with Pentax E85
79
manual focus
interchangeable lenses (Micro Four Thirds mount)
pretty good screen size (3 inches)
has image stabilization (Sensor based)
good MP (16MP)
sensor size is nice (Four Thirds)
above average high ISO (25,600)
supports RAW files
23
no manual focus
lens is fixed (fixed lens mount)
wide angle not great (32mm)
somewhat slow maximum aperture (f2.9)
screen is small (2.7 inch)
manual mode not possible
lack of image stabilization
sensor resolution not great (12MP)
sensor is small (1/2.3")
no RAW support
does not have Timelapse mode
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Vlogging Comparison

Olympus E-M10 Vlogging information
Pentax E85 Vlogging information
33
touchscreen capability
has image stabilization (Sensor based)
offers face detect focus
good video quality (1920 x 1080 pixels)
display isn't selfie friendly
lack of mic socket
heavier than competitors (396g)
22
wide angle not great (32mm)
somewhat slow maximum aperture (f2.9)
screen isn't selfie friendly
lack of image stabilization
video res low (640 x 480 resolution)
does not have microphone socket
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Olympus E-M10 vs Pentax E85 Specifications

Detailed spec comparison table for Olympus E-M10 and Pentax E85
 Olympus OM-D E-M10Pentax Optio E85
General Information
Brand Name Olympus Pentax
Model Olympus OM-D E-M10 Pentax Optio E85
Type Entry-Level Mirrorless Small Sensor Compact
Launched 2014-03-18 2009-09-17
Physical type SLR-style mirrorless Compact
Sensor Information
Processor TruePic VII -
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor measurements 17.3 x 13mm 6.17 x 4.55mm
Sensor area 224.9mm² 28.1mm²
Sensor resolution 16 megapixels 12 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3 and 16:9
Full resolution 4608 x 3456 4000 x 3000
Max native ISO 25600 3200
Lowest native ISO 200 80
RAW support
Autofocusing
Manual focus
Autofocus touch
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 81 -
Lens
Lens mount Micro Four Thirds fixed lens
Lens focal range - 32-96mm (3.0x)
Largest aperture - f/2.9-5.2
Macro focus range - 10cm
Available lenses 107 -
Focal length multiplier 2.1 5.8
Screen
Screen type Tilting Fixed Type
Screen sizing 3 inches 2.7 inches
Resolution of screen 1,037k dots 230k dots
Selfie friendly
Liveview
Touch screen
Screen tech TFT LCD -
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 1,440k dots -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.58x -
Features
Lowest shutter speed 60s 2s
Highest shutter speed 1/4000s 1/2000s
Continuous shooting rate 8.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Set white balance
Image stabilization
Integrated flash
Flash range 5.80 m (ISO100) 3.00 m
Flash modes Flash Auto, Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual(1/1(FULL)~1/64) -
External flash
AE bracketing
White balance bracketing
Highest flash synchronize 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 (30p), 1280 x 720 (30p), 640 x 480 (30 fps) 640 x 480 (30 fps), 320 x 240 (30 fps)
Max video resolution 1920x1080 640x480
Video format H.264, Motion JPEG Motion JPEG
Microphone port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 396 grams (0.87 lbs) 145 grams (0.32 lbs)
Dimensions 119 x 82 x 46mm (4.7" x 3.2" x 1.8") 93 x 58 x 24mm (3.7" x 2.3" x 0.9")
DXO scores
DXO All around score 72 not tested
DXO Color Depth score 22.8 not tested
DXO Dynamic range score 12.3 not tested
DXO Low light score 884 not tested
Other
Battery life 320 images -
Battery type Battery Pack -
Battery model BLS-5 D-LI95
Self timer Yes (12 sec., 2 sec.,custom (Waiting time 1-30sec.,Shooting interval 0.5/1/2/3sec.,Number of shots 1-10)) Yes (2 or 10 sec)
Time lapse shooting
Storage type SD/SDHC/SDXC SD/SDHC, Internal
Card slots Single Single
Launch pricing $600 $0