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Olympus E-PL7 vs Pentax K-3

Portability
86
Imaging
53
Features
81
Overall
64
Olympus PEN E-PL7 front
 
Pentax K-3 front
Portability
59
Imaging
65
Features
85
Overall
73

Olympus E-PL7 vs Pentax K-3 Key Specs

Olympus E-PL7
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Screen
  • ISO 100 - 25600
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 357g - 115 x 67 x 38mm
  • Revealed September 2014
  • Previous Model is Olympus E-PL6
  • Renewed by Olympus E-PL8
Pentax K-3
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Display
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Announced April 2014
  • Newer Model is Pentax K-3 II
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Olympus E-PL7 vs Pentax K-3 Overview

The following is a extended analysis of the Olympus E-PL7 and Pentax K-3, former is a Entry-Level Mirrorless while the other is a Advanced DSLR by manufacturers Olympus and Pentax. There is a substantial difference among the image resolutions of the E-PL7 (16MP) and K-3 (24MP) and the E-PL7 (Four Thirds) and K-3 (APS-C) offer totally different sensor size.

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The E-PL7 was announced 5 months after the K-3 which means that they are of a similar age. Both of the cameras feature different body design with the Olympus E-PL7 being a Rangefinder-style mirrorless camera and the Pentax K-3 being a Mid-size SLR camera.

Before delving into a thorough comparison, here is a short introduction of how the E-PL7 scores versus the K-3 for portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-PL7 over the Pentax K-3

 E-PL7 K-3 
Display typeTiltingFixed Tilting display
Selfie screen Take selfies
Touch friendly display Easily navigate

Reasons to pick Pentax K-3 over the Olympus E-PL7

 K-3 E-PL7 
Display size3.2"3"Larger display (+0.2")

Common features in the Olympus E-PL7 and Pentax K-3

 E-PL7 K-3 
AnnouncedSeptember 2014April 2014Same age
Manually focus More accurate focus
Display resolution1037k1037kIdentical display resolution

Olympus E-PL7 vs Pentax K-3 Physical Comparison

If you're aiming to travel with your camera, you should think about its weight and proportions. The Olympus E-PL7 features outer measurements of 115mm x 67mm x 38mm (4.5" x 2.6" x 1.5") having a weight of 357 grams (0.79 lbs) and the Pentax K-3 has measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") with a weight of 800 grams (1.76 lbs).

See the Olympus E-PL7 and Pentax K-3 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will change dependant on the lens you have chosen at the time. Below is a front view overall size comparison of the E-PL7 against the K-3.

Olympus E-PL7 vs Pentax K-3 size comparison

Considering size and weight, the portability grade of the E-PL7 and K-3 is 86 and 59 respectively.

Olympus E-PL7 vs Pentax K-3 top view buttons comparison

Olympus E-PL7 vs Pentax K-3 Sensor Comparison

Usually, it can be tough to see the contrast in sensor dimensions purely by checking out a spec sheet. The picture below might provide you a much better sense of the sensor sizing in the E-PL7 and K-3.

As you can see, both the cameras feature different megapixel count and different sensor dimensions. The E-PL7 with its smaller sensor will make getting shallower DOF harder and the Pentax K-3 will produce greater detail with its extra 8MP. Greater resolution can also help you crop images way more aggressively.

Olympus E-PL7 vs Pentax K-3 sensor size comparison

Olympus E-PL7 vs Pentax K-3 Screen and ViewFinder

Olympus E-PL7 vs Pentax K-3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-PL7 Portrait photography information
Pentax K-3 Portrait photography information
71
manual focus
good MP (16MP)
sensor size is good (Four Thirds)
provides face detection focus
supports RAW formats
79
focusing manually
decent MP (24 megapixels)
sensor size is decent (APS-C)
comes with face detect autofocus
delivers RAW files
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Street Comparison

Olympus E-PL7 Street photography highlights
Pentax K-3 Street photography highlights
84
has a tilting screen
image stabilization (Sensor based)
sensor size is good (Four Thirds)
supports RAW formats
includes touch focus
good high ISO (25,600)
69
image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
environment sealing
above average high ISO (51,200)
no articulating screen
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Sports Comparison

Olympus E-PL7 Sports photography information
Pentax K-3 Sports photography information
66
image stabilization (Sensor based)
good MP (16 megapixels)
sensor size is good (Four Thirds)
provides tracking autofocus
doesn't have phase detect auto focus
76
maximum shutter speed is high (1/8,000s)
image stabilization (Sensor based)
decent MP (24 megapixels)
sensor size is decent (APS-C)
comes with tracking focus
environment sealing
sensor has phase detect autofocus
terrible battery life (560 per charge)
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Travel Comparison

Travel photography with Olympus E-PL7
Travel photography with Pentax K-3
85
includes touch focus
good MP (16MP)
selfie friendly screen
60
environment sealing
decent MP (24 megapixels)
built-in flash
terrible battery life (560 shots)
does not offer selfie friendly screen
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Landscape Comparison

Olympus E-PL7 Landscape photography highlights
Pentax K-3 Landscape photography highlights
79
manual focus
interchangeable lenses (Micro Four Thirds mount)
screen is a good size (3 inches)
image stabilization (Sensor based)
good MP (16MP)
sensor size is good (Four Thirds)
good high ISO (25,600)
supports RAW formats
77
focusing manually
change lenses (Pentax KAF2 mount)
screen is a decent size (3.2 inches)
image stabilization (Sensor based)
decent MP (24 megapixels)
sensor size is decent (APS-C)
does not have anti aliasing filter
above average high ISO (51,200)
delivers RAW files
environment sealing
two card slots
terrible battery life (560 per charge)
Photography Glossary

Vlogging Comparison

Olympus E-PL7 Vlogging features
Pentax K-3 Vlogging features
78
selfie friendly screen
screen is touchscreen
image stabilization (Sensor based)
provides face detection focus
high quality video (1920 x 1080 resolution)
no external microphone jack
34
image stabilization (Sensor based)
comes with face detect autofocus
video resolution high (1920 x 1080 resolution)
includes microphone socket
does not offer selfie friendly screen
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Olympus E-PL7 vs Pentax K-3 Specifications

Detailed spec comparison table for Olympus E-PL7 and Pentax K-3
 Olympus PEN E-PL7Pentax K-3
General Information
Company Olympus Pentax
Model Olympus PEN E-PL7 Pentax K-3
Type Entry-Level Mirrorless Advanced DSLR
Revealed 2014-09-01 2014-04-10
Physical type Rangefinder-style mirrorless Mid-size SLR
Sensor Information
Processor TruePic VII Prime III
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.6mm
Sensor surface area 224.9mm² 366.6mm²
Sensor resolution 16 megapixels 24 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Highest Possible resolution 4608 x 3456 6016 x 4000
Maximum native ISO 25600 51200
Min native ISO 100 100
RAW support
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 81 27
Cross focus points - 25
Lens
Lens mount Micro Four Thirds Pentax KAF2
Available lenses 107 151
Focal length multiplier 2.1 1.5
Screen
Screen type Tilting Fixed Type
Screen size 3 inch 3.2 inch
Screen resolution 1,037 thousand dots 1,037 thousand dots
Selfie friendly
Liveview
Touch screen
Screen tech - TFT LCD monitor
Viewfinder Information
Viewfinder Electronic (optional) Optical (pentaprism)
Viewfinder coverage - 100%
Viewfinder magnification - 0.64x
Features
Minimum shutter speed 60 seconds 30 seconds
Fastest shutter speed 1/4000 seconds 1/8000 seconds
Continuous shutter rate 8.0fps 8.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash range no built-in flash 13.00 m (at ISO 100)
Flash settings no built-in flash Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual
External flash
Auto exposure bracketing
WB bracketing
Fastest flash synchronize - 1/180 seconds
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) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p)
Maximum video resolution 1920x1080 1920x1080
Video data format H.264, Motion JPEG MPEG-4, H.264
Microphone port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 357 grams (0.79 lbs) 800 grams (1.76 lbs)
Physical dimensions 115 x 67 x 38mm (4.5" x 2.6" x 1.5") 131 x 100 x 77mm (5.2" x 3.9" x 3.0")
DXO scores
DXO Overall score 72 80
DXO Color Depth score 22.7 23.7
DXO Dynamic range score 12.4 13.4
DXO Low light score 873 1216
Other
Battery life 350 shots 560 shots
Battery type Battery Pack Battery Pack
Battery model BLS-50 D-LI90
Self timer Yes (2 or 12 sec, custom) Yes ( 2 or 12 seconds)
Time lapse feature
Storage type SD/SDHC/SDXC card Dual SD/SDHC/SDXC
Card slots One Dual
Cost at release $499 $639