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Olympus E-420 vs Pentax K-70

Portability
77
Imaging
45
Features
36
Overall
41
Olympus E-420 front
 
Pentax K-70 front
Portability
62
Imaging
67
Features
81
Overall
72

Olympus E-420 vs Pentax K-70 Key Specs

Olympus E-420
(Full Review)
  • 10MP - Four Thirds Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 1600
  • No Video
  • Micro Four Thirds Mount
  • 426g - 130 x 91 x 53mm
  • Revealed June 2008
  • Previous Model is Olympus E-410
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
  • Announced June 2016
  • Replacement is Pentax KF
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Olympus E-420 vs Pentax K-70 Overview

The following is a in-depth comparison of the Olympus E-420 and Pentax K-70, both Entry-Level DSLR cameras by rivals Olympus and Pentax. There exists a crucial gap among the image resolutions of the E-420 (10MP) and K-70 (24MP) and the E-420 (Four Thirds) and K-70 (APS-C) use totally different sensor measurements.

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The E-420 was introduced 9 years before the K-70 which is a fairly serious gap as far as camera technology is concerned. Each of the cameras come with the identical body type (Compact SLR).

Before getting through a detailed comparison, below is a concise overview of how the E-420 matches up vs the K-70 with regards to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-420 over the Pentax K-70

 E-420 K-70 

Reasons to pick Pentax K-70 over the Olympus E-420

 K-70 E-420 
AnnouncedJune 2016June 2008Newer by 96 months
Display typeFully ArticulatedFixed Fully Articulating display
Display dimension3"2.7"Larger display (+0.3")
Display resolution921k230kClearer display (+691k dot)
Selfie screen Easy selfies

Common features in the Olympus E-420 and Pentax K-70

 E-420 K-70 
Manually focus More exact focus
Touch friendly display Lacking Touch friendly display

Olympus E-420 vs Pentax K-70 Physical Comparison

For those who are looking to travel with your camera often, you will need to consider its weight and size. The Olympus E-420 comes with outside dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") along with a weight of 426 grams (0.94 lbs) while the Pentax K-70 has specifications of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") having a weight of 688 grams (1.52 lbs).

Examine the Olympus E-420 and Pentax K-70 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will change dependant on the lens you are working with at that time. Here is the front view physical size comparison of the E-420 versus the K-70.

Olympus E-420 vs Pentax K-70 size comparison

Using dimensions and weight, the portability rating of the E-420 and K-70 is 77 and 62 respectively.

Olympus E-420 vs Pentax K-70 top view buttons comparison

Olympus E-420 vs Pentax K-70 Sensor Comparison

More often than not, its hard to see the contrast in sensor dimensions only by going through specs. The image below may provide you a more clear sense of the sensor sizes in the E-420 and K-70.

As you can plainly see, both the cameras posses different megapixel count and different sensor dimensions. The E-420 having a smaller sensor will make getting shallower depth of field harder and the Pentax K-70 will provide extra detail using its extra 14 Megapixels. Greater resolution will also help you crop images somewhat more aggressively. The more aged E-420 will be behind when it comes to sensor tech.

Olympus E-420 vs Pentax K-70 sensor size comparison

Olympus E-420 vs Pentax K-70 Screen and ViewFinder

Olympus E-420 vs Pentax K-70 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-420 Portrait photography advice
Pentax K-70 Portrait photography advice
57
focusing manually
nice sensor size (Four Thirds)
delivers RAW files
megapixel count low (10MP)
80
manual focus
sensor resolution is decent (24MP)
decent sensor size (APS-C)
features face detection autofocus
delivers RAW files
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Street Comparison

Olympus E-420 as a Street photography camera
Pentax K-70 as a Street photography camera
64
nice sensor size (Four Thirds)
delivers RAW files
lighter than competition (426g)
no articulating screen
no image stabilization
71
screen articulates fully
image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW files
weather sealing
above average high ISO (102,400)
more heavy than competitors (688 grams)
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Sports Comparison

Sports photography with Olympus E-420
Sports photography with Pentax K-70
39
nice sensor size (Four Thirds)
sensor has phase detect autofocus
slow frames per second (4.0 frames per second)
no image stabilization
megapixel count low (10MP)
low battery life (500 CIPA)
72
great max shutter speed (1/6,000 seconds)
image stabilization (Sensor based)
sensor resolution is decent (24 megapixels)
decent sensor size (APS-C)
features tracking autofocus
weather sealing
supports phase detect autofocus
slow frames per second (6.0 fps)
bad battery life (410 per charge)
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Travel Comparison

Olympus E-420 Travel photography details
Pentax K-70 Travel photography details
53
lighter than competition (426g)
has built in flash
does not have Timelapse function
low battery life (500 shots)
megapixel count low (10MP)
does not offer selfie friendly screen
64
weather sealing
sensor resolution is decent (24MP)
flash built-in
screen is selfie friendly
bad battery life (410 shots)
more heavy than competitors (688g)
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Landscape Comparison

Landscape photography with Olympus E-420
Landscape photography with Pentax K-70
47
focusing manually
swap lenses (Micro Four Thirds mount)
nice sensor size (Four Thirds)
delivers RAW files
screen is somewhat small (2.7 inches)
no image stabilization
megapixel count low (10 megapixels)
low battery life (500 shots)
does not have Timelapse function
78
manual focus
swap lenses (Pentax KAF2 mount)
screen size is good (3 inch)
image stabilization (Sensor based)
sensor resolution is decent (24 megapixels)
decent sensor size (APS-C)
does not have anti-alias filter
above average high ISO (102,400)
delivers RAW files
weather sealing
bad battery life (410 shots)
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Vlogging Comparison

Vlogging with Olympus E-420
Vlogging with Pentax K-70
9
can't record video
71
screen is selfie friendly
image stabilization (Sensor based)
features face detection autofocus
video resolution high (1920 x 1080 pixels)
comes with external microphone socket
more heavy than competitors (688 grams)
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Olympus E-420 vs Pentax K-70 Specifications

Detailed spec comparison table for Olympus E-420 and Pentax K-70
 Olympus E-420Pentax K-70
General Information
Brand Olympus Pentax
Model Olympus E-420 Pentax K-70
Type Entry-Level DSLR Entry-Level DSLR
Revealed 2008-06-23 2016-06-08
Physical type Compact SLR Compact SLR
Sensor Information
Chip TruePic III PRIME MII
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.6mm
Sensor area 224.9mm² 366.6mm²
Sensor resolution 10 megapixel 24 megapixel
Anti aliasing filter
Aspect ratio 4:3 3:2
Peak resolution 3648 x 2736 6000 x 4000
Highest native ISO 1600 102400
Minimum native ISO 100 100
RAW format
Autofocusing
Manual focus
Touch focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 3 11
Cross focus points - 9
Lens
Lens mount Micro Four Thirds Pentax KAF2
Amount of lenses 45 151
Crop factor 2.1 1.5
Screen
Type of screen Fixed Type Fully Articulated
Screen sizing 2.7" 3"
Resolution of screen 230k dots 921k dots
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder Optical (pentamirror) Optical (pentaprism)
Viewfinder coverage 95 percent 100 percent
Viewfinder magnification 0.46x 0.63x
Features
Minimum shutter speed 60 seconds 30 seconds
Fastest shutter speed 1/4000 seconds 1/6000 seconds
Continuous shutter rate 4.0 frames per sec 6.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash range 12.00 m (at ISO 100) 12.00 m (at ISO 100)
Flash modes Auto, Auto FP, Manual, Red-Eye Auto, auto w/redeye reduction, flash on, flash + redeye reduction, slow sync, trailing curtain sync, manual
Hot shoe
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 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p)
Highest video resolution None 1920x1080
Video format - MPEG-4, H.264
Microphone port
Headphone port
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
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 426 grams (0.94 pounds) 688 grams (1.52 pounds)
Dimensions 130 x 91 x 53mm (5.1" x 3.6" x 2.1") 126 x 93 x 74mm (5.0" x 3.7" x 2.9")
DXO scores
DXO Overall score 56 not tested
DXO Color Depth score 21.5 not tested
DXO Dynamic range score 10.4 not tested
DXO Low light score 527 not tested
Other
Battery life 500 images 410 images
Style of battery Battery Pack Battery Pack
Self timer Yes (2 or 12 sec) Yes (2 or 12 secs, continuous)
Time lapse recording
Storage type Compact Flash (Type I or II), xD Picture Card SD/SDHC/SDXC (UHS-I compatible)
Card slots 1 1
Launch price $999 $649