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Olympus E-420 vs Pentax K-5 II

Portability
77
Imaging
44
Features
36
Overall
40
Olympus E-420 front
 
Pentax K-5 II front
Portability
60
Imaging
58
Features
82
Overall
67

Olympus E-420 vs Pentax K-5 II 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
  • Announced June 2008
  • Superseded the Olympus E-410
Pentax K-5 II
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 12800 (Raise to 51200)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 760g - 131 x 97 x 73mm
  • Announced June 2013
  • Previous Model is Pentax K-5
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Olympus E-420 vs Pentax K-5 II Overview

Lets examine more closely at the Olympus E-420 versus Pentax K-5 II, former is a Entry-Level DSLR while the other is a Advanced DSLR by manufacturers Olympus and Pentax. There exists a large gap between the sensor resolutions of the E-420 (10MP) and K-5 II (16MP) and the E-420 (Four Thirds) and K-5 II (APS-C) come with totally different sensor sizes.

Photography Glossary

The E-420 was brought out 6 years earlier than the K-5 II which is quite a serious difference as far as technology is concerned. The two cameras offer different body type with the Olympus E-420 being a Compact SLR camera and the Pentax K-5 II being a Mid-size SLR camera.

Before diving straight into a more detailed comparison, below is a concise overview of how the E-420 grades against the K-5 II when it comes to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-420 over the Pentax K-5 II

 E-420 K-5 II 

Reasons to pick Pentax K-5 II over the Olympus E-420

 K-5 II E-420 
AnnouncedJune 2013June 2008Newer by 60 months
Display sizing3"2.7"Larger display (+0.3")
Display resolution921k230kSharper display (+691k dot)

Common features in the Olympus E-420 and Pentax K-5 II

 E-420 K-5 II 
Focus manually Very accurate focusing
Display typeFixed Fixed Fixed display
Selfie screen Neither provides selfie screen
Touch display Neither provides Touch display

Olympus E-420 vs Pentax K-5 II Physical Comparison

If you're planning to travel with your camera regularly, you should take into account its weight and dimensions. The Olympus E-420 provides outside dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") accompanied by a weight of 426 grams (0.94 lbs) while the Pentax K-5 II has dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") accompanied by a weight of 760 grams (1.68 lbs).

See the Olympus E-420 versus Pentax K-5 II in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will differ depending on the lens you are working with at the time. Below is the front view dimensions comparison of the E-420 compared to the K-5 II.

Olympus E-420 vs Pentax K-5 II size comparison

Factoring in dimensions and weight, the portability score of the E-420 and K-5 II is 77 and 60 respectively.

Olympus E-420 vs Pentax K-5 II top view buttons comparison

Olympus E-420 vs Pentax K-5 II Sensor Comparison

More often than not, it is hard to visualise the difference between sensor dimensions purely by reviewing technical specs. The pic below should offer you a much better sense of the sensor dimensions in the E-420 and K-5 II.

As you have seen, the two cameras enjoy different megapixels and different sensor dimensions. The E-420 because of its tinier sensor will make achieving shallower depth of field trickier and the Pentax K-5 II will deliver extra detail having its extra 6 Megapixels. Greater resolution will also help you crop images far more aggressively. The more aged E-420 is going to be disadvantaged with regard to sensor technology.

Olympus E-420 vs Pentax K-5 II sensor size comparison

Olympus E-420 vs Pentax K-5 II Screen and ViewFinder

Olympus E-420 vs Pentax K-5 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-420 Portrait photography factors
Pentax K-5 II Portrait photography factors
56
you can focus manually
sensor size is decent (Four Thirds)
saves RAW formats
low resolution sensor (10 megapixels)
74
focusing manually
megapixel count decent (16MP)
good sensor size (APS-C)
provides face detection autofocus
supports RAW formats
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Street Comparison

Olympus E-420 Street photography advice
Pentax K-5 II Street photography advice
64
sensor size is decent (Four Thirds)
saves RAW formats
lighter than competition in class (426 grams)
fixed screen
no image stabilization
67
built in image stabilization (Sensor based)
good sensor size (APS-C)
supports RAW formats
environment sealing
no articulating screen
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Sports Comparison

Sports photography with Olympus E-420
Sports photography with Pentax K-5 II
38
sensor size is decent (Four Thirds)
supports phase detect autofocus
slow continuous shooting (4.0 frames per second)
no image stabilization
low resolution sensor (10MP)
terrible battery (500 CIPA)
79
max shutter speed is good (1/8,000s)
built in image stabilization (Sensor based)
megapixel count decent (16MP)
good sensor size (APS-C)
provides tracking autofocus
environment sealing
has phase detect autofocus
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Travel Comparison

Olympus E-420 Travel photography advice
Pentax K-5 II Travel photography advice
52
lighter than competition in class (426g)
has built in flash
doesn't have Time Lapse mode
terrible battery (500 per charge)
low resolution sensor (10 megapixels)
screen is not selfie friendly
65
environment sealing
megapixel count decent (16MP)
built-in flash
screen is not selfie friendly
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Landscape Comparison

Olympus E-420 Landscape photography info
Pentax K-5 II Landscape photography info
47
you can focus manually
swap lenses (Micro Four Thirds mount)
sensor size is decent (Four Thirds)
saves RAW formats
tiny screen (2.7 inches)
no image stabilization
low resolution sensor (10MP)
terrible battery (500 per charge)
doesn't have Time Lapse mode
79
focusing manually
change lenses (Pentax KAF2 mount)
screen size is good (3 inches)
built in image stabilization (Sensor based)
megapixel count decent (16MP)
good sensor size (APS-C)
supports RAW formats
environment sealing
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Vlogging Comparison

Olympus E-420 Vlogging highlights
Pentax K-5 II Vlogging highlights
9
no video shooting
33
built in image stabilization (Sensor based)
provides face detection autofocus
high res video (1920 x 1080 pixels)
has external microphone port
screen is not selfie friendly
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Olympus E-420 vs Pentax K-5 II Specifications

Detailed spec comparison table for Olympus E-420 and Pentax K-5 II
 Olympus E-420Pentax K-5 II
General Information
Make Olympus Pentax
Model type Olympus E-420 Pentax K-5 II
Type Entry-Level DSLR Advanced DSLR
Announced 2008-06-23 2013-06-04
Body design Compact SLR Mid-size SLR
Sensor Information
Powered by TruePic III Prime II
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.7 x 15.7mm
Sensor surface area 224.9mm² 372.1mm²
Sensor resolution 10 megapixels 16 megapixels
Anti alias filter
Aspect ratio 4:3 3:2
Highest Possible resolution 3648 x 2736 4928 x 3264
Maximum native ISO 1600 12800
Maximum enhanced ISO - 51200
Minimum native ISO 100 100
RAW photos
Minimum enhanced ISO - 80
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 3 11
Cross type focus points - 9
Lens
Lens mount type Micro Four Thirds Pentax KAF2
Number of lenses 45 151
Focal length multiplier 2.1 1.5
Screen
Screen type Fixed Type Fixed Type
Screen size 2.7 inches 3 inches
Resolution of screen 230 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch screen
Screen tech - TFT LCD monitor
Viewfinder Information
Viewfinder type Optical (pentamirror) Optical (pentaprism)
Viewfinder coverage 95% 100%
Viewfinder magnification 0.46x 0.61x
Features
Min shutter speed 60 seconds 30 seconds
Max shutter speed 1/4000 seconds 1/8000 seconds
Continuous shutter speed 4.0 frames per second 7.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change white balance
Image stabilization
Built-in flash
Flash distance 12.00 m (at ISO 100) 13.00 m (at ISO 100)
Flash modes Auto, Auto FP, Manual, Red-Eye Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless
External flash
AEB
White balance bracketing
Max flash sync 1/180 seconds -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions - 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 480 (25, 30 fps)
Maximum video resolution None 1920x1080
Video format - Motion JPEG
Microphone jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 426 gr (0.94 lb) 760 gr (1.68 lb)
Dimensions 130 x 91 x 53mm (5.1" x 3.6" x 2.1") 131 x 97 x 73mm (5.2" x 3.8" x 2.9")
DXO scores
DXO Overall rating 56 82
DXO Color Depth rating 21.5 23.8
DXO Dynamic range rating 10.4 14.1
DXO Low light rating 527 1235
Other
Battery life 500 photographs 980 photographs
Type of battery Battery Pack Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 12 sec) Yes ( 2 or 12 seconds)
Time lapse shooting
Type of storage Compact Flash (Type I or II), xD Picture Card SD/SDHC/SDXC
Storage slots One One
Price at release $999 $830