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Olympus E-M10 IV vs Pentax E85

Portability
81
Imaging
62
Features
83
Overall
70
Olympus OM-D E-M10 IV front
 
Pentax Optio E85 front
Portability
95
Imaging
35
Features
10
Overall
25

Olympus E-M10 IV vs Pentax E85 Key Specs

Olympus E-M10 IV
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 383g - 122 x 84 x 49mm
  • Launched August 2020
  • Older Model is Olympus E-M10 III
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 IV vs Pentax E85 Overview

Lets look a little more in depth at the Olympus E-M10 IV and Pentax E85, former is a Entry-Level Mirrorless while the other is a Small Sensor Compact by competitors Olympus and Pentax. There is a substantial difference among the resolutions of the E-M10 IV (20MP) and E85 (12MP) and the E-M10 IV (Four Thirds) and E85 (1/2.3") possess totally different sensor sizes.

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The E-M10 IV was announced 11 years after the E85 which is a fairly big difference as far as camera tech is concerned. Each of these cameras offer different body type with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Pentax E85 being a Compact camera.

Before we go through a detailed comparison, below is a brief introduction of how the E-M10 IV scores vs the E85 when it comes to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-M10 IV over the Pentax E85

 E-M10 IV E85 
IntroducedAugust 2020September 2009Newer by 133 months
Focus manually Very precise focus
Display typeTiltingFixed Tilting display
Display sizing3"2.7"Larger display (+0.3")
Display resolution1040k230kClearer display (+810k dot)
Selfie screen Easy selfies
Touch display Easily navigate

Reasons to pick Pentax E85 over the Olympus E-M10 IV

 E85 E-M10 IV 

Common features in the Olympus E-M10 IV and Pentax E85

 E-M10 IV E85 

Olympus E-M10 IV vs Pentax E85 Physical Comparison

For anybody who is aiming to travel with your camera, you have to consider its weight and size. The Olympus E-M10 IV enjoys external dimensions of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") and a weight of 383 grams (0.84 lbs) whilst the Pentax E85 has specifications of 93mm x 58mm x 24mm (3.7" x 2.3" x 0.9") along with a weight of 145 grams (0.32 lbs).

Take a look at the Olympus E-M10 IV and Pentax E85 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will change depending on the lens you have attached at that moment. Following is the front view sizing comparison of the E-M10 IV compared to the E85.

Olympus E-M10 IV vs Pentax E85 size comparison

Taking into consideration size and weight, the portability score of the E-M10 IV and E85 is 81 and 95 respectively.

Olympus E-M10 IV vs Pentax E85 top view buttons comparison

Olympus E-M10 IV vs Pentax E85 Sensor Comparison

Often, it is very hard to envision the gap in sensor dimensions just by seeing technical specs. The pic below will help provide you a stronger sense of the sensor sizes in the E-M10 IV and E85.

As you can tell, the two cameras enjoy different megapixel count and different sensor dimensions. The E-M10 IV having a larger sensor will make achieving bokeh easier and the Olympus E-M10 IV will produce greater detail with its extra 8MP. Greater resolution will also let you crop pics far more aggressively. The younger E-M10 IV will have a benefit in sensor innovation.

Olympus E-M10 IV vs Pentax E85 sensor size comparison

Olympus E-M10 IV vs Pentax E85 Screen and ViewFinder

Olympus E-M10 IV vs Pentax E85 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Olympus E-M10 IV Portrait photography details
Pentax E85 Portrait photography details
77
has manual focus
resolution is good (20MP)
sensor size is good (Four Thirds)
comes with face detect autofocus
exports RAW files
21
no manual focus
no manual mode
external flash not possible
low MP (12MP)
sensor size is tiny (1/2.3")
does not have RAW files
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Street Comparison

Olympus E-M10 IV Street photography factors
Pentax E85 Street photography factors
84
has a tilting screen
has image stabilization (Sensor based 5-axis)
sensor size is good (Four Thirds)
exports RAW files
has touch focus
very good ISO range (25,600)
47
fixed screen
lack of image stabilization
sensor size is tiny (1/2.3")
does not have RAW files
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Sports Comparison

Olympus E-M10 IV Sports photography information
Pentax E85 Sports photography information
72
quiet shutter (1/16,000s)
has image stabilization (Sensor based 5-axis)
resolution is good (20 megapixels)
sensor size is good (Four Thirds)
comes with tracking focus
lacks phase detect autofocus
17
painfully slow continuous shooting (1.0 fps)
no shutter priority
lack of image stabilization
low MP (12MP)
sensor size is tiny (1/2.3")
does not have phase detect AF
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Travel Comparison

Olympus E-M10 IV as a Travel photography camera
Pentax E85 as a Travel photography camera
84
has bluetooth
has touch focus
resolution is good (20MP)
flash built-in
selfie friendly screen
51
flash built-in
lack of Timelapse recording
low MP (12 megapixels)
display is not selfie friendly
wide angle not the best (32mm)
somewhat slow max aperture (f2.9)
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Landscape Comparison

Olympus E-M10 IV Landscape photography advice
Pentax E85 Landscape photography advice
82
has manual focus
switch lenses (Micro Four Thirds mount)
screen size is good (3 inches)
has image stabilization (Sensor based 5-axis)
resolution is good (20MP)
sensor size is good (Four Thirds)
very good ISO range (25,600)
exports RAW files
23
no manual focus
can't swap lens (fixed lens mount)
wide angle not the best (32mm)
somewhat slow max aperture (f2.9)
tiny screen (2.7 inch)
no manual mode
lack of image stabilization
low MP (12MP)
sensor size is tiny (1/2.3")
does not have RAW files
lack of Timelapse recording
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Vlogging Comparison

Olympus E-M10 IV Vlogging features
Pentax E85 Vlogging features
78
selfie friendly screen
touchscreen capability
has image stabilization (Sensor based 5-axis)
comes with face detect autofocus
high res video (3840 x 2160 pxls)
missing microphone port
22
wide angle not the best (32mm)
somewhat slow max aperture (f2.9)
display is not selfie friendly
lack of image stabilization
low res video (640 x 480 resolution)
lack of microphone jack
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Olympus E-M10 IV vs Pentax E85 Specifications

Detailed spec comparison table for Olympus E-M10 IV and Pentax E85
 Olympus OM-D E-M10 IVPentax Optio E85
General Information
Make Olympus Pentax
Model type Olympus OM-D E-M10 IV Pentax Optio E85
Category Entry-Level Mirrorless Small Sensor Compact
Launched 2020-08-04 2009-09-17
Body design SLR-style mirrorless Compact
Sensor Information
Processor Chip TruePic VIII -
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor measurements 17.4 x 13mm 6.17 x 4.55mm
Sensor surface area 226.2mm² 28.1mm²
Sensor resolution 20MP 12MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3 and 16:9
Peak resolution 5184 x 3888 4000 x 3000
Highest native ISO 25600 3200
Lowest native ISO 200 80
RAW images
Lowest enhanced ISO 100 -
Autofocusing
Manual focusing
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 121 -
Lens
Lens support Micro Four Thirds fixed lens
Lens zoom range - 32-96mm (3.0x)
Largest aperture - f/2.9-5.2
Macro focusing range - 10cm
Total lenses 107 -
Focal length multiplier 2.1 5.8
Screen
Display type Tilting Fixed Type
Display size 3" 2.7"
Resolution of display 1,040k dot 230k dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 2,360k dot -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.62x -
Features
Minimum shutter speed 60s 2s
Fastest shutter speed 1/4000s 1/2000s
Fastest quiet shutter speed 1/16000s -
Continuous shutter speed 8.7 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Custom white balance
Image stabilization
Inbuilt flash
Flash distance 7.20 m (at ISO 200) 3.00 m
Flash options Redeye, fill-in, off, redeye slow-sync (1st-curtain), slow sync (1st-curtain), slow sync (2nd-curtain), manual -
Hot shoe
Auto exposure bracketing
WB bracketing
Fastest flash sync 1/250s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 24p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 50p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 30p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 25p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 24p / 52 Mbps, MOV, H.264, Linear PCM 640 x 480 (30 fps), 320 x 240 (30 fps)
Highest video resolution 3840x2160 640x480
Video data format MPEG-4, H.264 Motion JPEG
Microphone input
Headphone input
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 383 grams (0.84 lbs) 145 grams (0.32 lbs)
Dimensions 122 x 84 x 49mm (4.8" x 3.3" x 1.9") 93 x 58 x 24mm (3.7" x 2.3" x 0.9")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 360 pictures -
Style of battery Battery Pack -
Battery ID BLS-50 D-LI95
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec)
Time lapse shooting
Storage media SD/SDHC/SDXC (UHS-II supported) SD/SDHC, Internal
Storage slots Single Single
Retail cost $699 $0