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Olympus E-P3 vs Pentax K-70

Portability
86
Imaging
48
Features
60
Overall
52
Olympus PEN E-P3 front
 
Pentax K-70 front
Portability
62
Imaging
67
Features
81
Overall
72

Olympus E-P3 vs Pentax K-70 Key Specs

Olympus E-P3
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fixed Display
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 369g - 122 x 69 x 34mm
  • Introduced August 2011
  • Succeeded the Olympus E-P2
  • Replacement is Olympus E-P5
Pentax K-70
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 102400
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/6000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 688g - 126 x 93 x 74mm
  • Introduced June 2016
  • Successor is Pentax KF
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Olympus E-P3 vs Pentax K-70 Overview

The following is a detailed review of the Olympus E-P3 vs Pentax K-70, one is a Entry-Level Mirrorless and the other is a Entry-Level DSLR by companies Olympus and Pentax. There exists a huge gap between the image resolutions of the E-P3 (12MP) and K-70 (24MP) and the E-P3 (Four Thirds) and K-70 (APS-C) posses different sensor sizing.

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The E-P3 was revealed 5 years prior to the K-70 which is quite a significant gap as far as technology is concerned. Each of these cameras have different body design with the Olympus E-P3 being a Rangefinder-style mirrorless camera and the Pentax K-70 being a Compact SLR camera.

Before diving right into a in depth comparison, here is a simple summary of how the E-P3 grades against the K-70 in relation to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-P3 over the Pentax K-70

 E-P3 K-70 
Touch friendly display Easily navigate

Reasons to pick Pentax K-70 over the Olympus E-P3

 K-70 E-P3 
IntroducedJune 2016August 2011Newer by 58 months
Display typeFully ArticulatedFixed Fully Articulating display
Display resolution921k614kSharper display (+307k dot)
Selfie screen Take selfies

Common features in the Olympus E-P3 and Pentax K-70

 E-P3 K-70 
Focus manually Very precise focus
Display dimensions3"3"Equal display measurement

Olympus E-P3 vs Pentax K-70 Physical Comparison

For anybody who is going to travel with your camera frequently, you're going to have to think about its weight and measurements. The Olympus E-P3 has outside measurements of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") having a weight of 369 grams (0.81 lbs) whilst the Pentax K-70 has proportions of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") accompanied by a weight of 688 grams (1.52 lbs).

Analyze the Olympus E-P3 vs Pentax K-70 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will vary depending on the lens you are using at that time. Here is a front view overall size comparison of the E-P3 and the K-70.

Olympus E-P3 vs Pentax K-70 size comparison

Factoring in dimensions and weight, the portability rating of the E-P3 and K-70 is 86 and 62 respectively.

Olympus E-P3 vs Pentax K-70 top view buttons comparison

Olympus E-P3 vs Pentax K-70 Sensor Comparison

Sometimes, it is difficult to visualize the gap between sensor dimensions purely by going over a spec sheet. The pic underneath should offer you a clearer sense of the sensor sizing in the E-P3 and K-70.

Clearly, both of the cameras provide different megapixel count and different sensor dimensions. The E-P3 having a tinier sensor is going to make getting shallow depth of field trickier and the Pentax K-70 will offer you extra detail because of its extra 12MP. Greater resolution will also let you crop pics more aggressively. The more aged E-P3 is going to be behind when it comes to sensor innovation.

Olympus E-P3 vs Pentax K-70 sensor size comparison

Olympus E-P3 vs Pentax K-70 Screen and ViewFinder

Olympus E-P3 vs Pentax K-70 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-P3 Portrait photography info
Pentax K-70 Portrait photography info
60
you can focus manually
good sensor size (Four Thirds)
features face detection autofocus
saves RAW files
low MP (12MP)
80
manual focus
megapixel count good (24 megapixels)
sensor size is decent (APS-C)
offers face detection focusing
delivers RAW files
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Street Comparison

Olympus E-P3 Street photography info
Pentax K-70 Street photography info
76
has image stabilization (Sensor based)
good sensor size (Four Thirds)
saves RAW files
offers touch focus
no moving screen
71
fully articulated screen
image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
environment sealing
good high ISO (102,400)
heavier than competition in class (688g)
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Sports Comparison

Olympus E-P3 Sports photography factors
Pentax K-70 Sports photography factors
49
has image stabilization (Sensor based)
good sensor size (Four Thirds)
features tracking autofocus
max frames per second very slow (3.0 fps)
low MP (12MP)
lack of phase detect autofocus
72
high shutter speed (1/6,000s)
image stabilization (Sensor based)
megapixel count good (24MP)
sensor size is decent (APS-C)
offers tracking autofocus
environment sealing
has phase detect AF
slow continuous shooting (6.0 fps)
not so great battery life (410 shots)
Photography Glossary

Travel Comparison

Olympus E-P3 as a Travel photography camera
Pentax K-70 as a Travel photography camera
60
offers touch focus
built-in flash
no Time Lapse recording
low MP (12 megapixels)
doesn't offer selfie friendly display
64
environment sealing
megapixel count good (24MP)
flash built-in
display is selfie friendly
not so great battery life (410 shots)
heavier than competition in class (688g)
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Landscape Comparison

Olympus E-P3 Landscape photography highlights
Pentax K-70 Landscape photography highlights
65
you can focus manually
switch lenses (Micro Four Thirds mount)
nice screen size (3")
has image stabilization (Sensor based)
good sensor size (Four Thirds)
saves RAW files
low MP (12MP)
no Time Lapse recording
78
manual focus
interchangeable lenses (Pentax KAF2 mount)
screen is a good size (3 inches)
image stabilization (Sensor based)
megapixel count good (24 megapixels)
sensor size is decent (APS-C)
doesnt have anti-alias filter
good high ISO (102,400)
delivers RAW files
environment sealing
not so great battery life (410 per charge)
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Vlogging Comparison

Olympus E-P3 Vlogging features
Pentax K-70 Vlogging features
35
touchscreen functionality
has image stabilization (Sensor based)
features face detection autofocus
high res video (1920 x 1080 pxls)
doesn't offer selfie friendly display
no external mic support
71
display is selfie friendly
image stabilization (Sensor based)
offers face detection focusing
high quality video (1920 x 1080 pixels)
has external mic jack
heavier than competition in class (688g)
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Olympus E-P3 vs Pentax K-70 Specifications

Detailed spec comparison table for Olympus E-P3 and Pentax K-70
 Olympus PEN E-P3Pentax K-70
General Information
Manufacturer Olympus Pentax
Model Olympus PEN E-P3 Pentax K-70
Type Entry-Level Mirrorless Entry-Level DSLR
Introduced 2011-08-17 2016-06-08
Body design Rangefinder-style mirrorless Compact SLR
Sensor Information
Powered by TruePic VI PRIME MII
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor dimensions 17.3 x 13mm 23.5 x 15.6mm
Sensor surface area 224.9mm² 366.6mm²
Sensor resolution 12 megapixel 24 megapixel
Anti aliasing filter
Aspect ratio 4:3 3:2
Peak resolution 4032 x 3024 6000 x 4000
Highest native ISO 12800 102400
Minimum native ISO 100 100
RAW files
Autofocusing
Focus manually
Touch to focus
Continuous AF
AF single
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 35 11
Cross focus points - 9
Lens
Lens mount Micro Four Thirds Pentax KAF2
Number of lenses 107 151
Focal length multiplier 2.1 1.5
Screen
Display type Fixed Type Fully Articulated
Display size 3" 3"
Display resolution 614 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch capability
Display technology 3:2 OLED with Anti-Fingerprint Coating -
Viewfinder Information
Viewfinder type Electronic (optional) Optical (pentaprism)
Viewfinder coverage - 100%
Viewfinder magnification - 0.63x
Features
Minimum shutter speed 60 seconds 30 seconds
Fastest shutter speed 1/4000 seconds 1/6000 seconds
Continuous shutter speed 3.0 frames per second 6.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash range 10.00 m (@ ISO 200) 12.00 m (at ISO 100)
Flash modes Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Wireless, Manual (3 levels) Auto, auto w/redeye reduction, flash on, flash + redeye reduction, slow sync, trailing curtain sync, manual
External flash
AE bracketing
White balance bracketing
Fastest flash sync 1/180 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p)
Highest video resolution 1920x1080 1920x1080
Video format AVCHD, Motion JPEG MPEG-4, H.264
Mic input
Headphone input
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 369 grams (0.81 pounds) 688 grams (1.52 pounds)
Physical dimensions 122 x 69 x 34mm (4.8" x 2.7" x 1.3") 126 x 93 x 74mm (5.0" x 3.7" x 2.9")
DXO scores
DXO Overall score 51 not tested
DXO Color Depth score 20.8 not tested
DXO Dynamic range score 10.1 not tested
DXO Low light score 536 not tested
Other
Battery life 330 pictures 410 pictures
Style of battery Battery Pack Battery Pack
Battery model BLS-5 -
Self timer Yes (2 or 12 sec) Yes (2 or 12 secs, continuous)
Time lapse recording
Type of storage SD/SDHC/SDXC card SD/SDHC/SDXC (UHS-I compatible)
Storage slots 1 1
Cost at release $0 $649