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Olympus E-620 vs Pentax K-01

Portability
71
Imaging
47
Features
50
Overall
48
Olympus E-620 front
 
Pentax K-01 front
Portability
76
Imaging
57
Features
68
Overall
61

Olympus E-620 vs Pentax K-01 Key Specs

Olympus E-620
(Full Review)
  • 12MP - Four Thirds Sensor
  • 2.7" Fully Articulated Screen
  • ISO 100 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Micro Four Thirds Mount
  • 500g - 130 x 94 x 60mm
  • Introduced July 2009
Pentax K-01
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 12800 (Boost to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 561g - 122 x 79 x 58mm
  • Revealed May 2012
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Olympus E-620 vs Pentax K-01 Overview

Below is a thorough comparison of the Olympus E-620 versus Pentax K-01, former being a Entry-Level DSLR while the other is a Entry-Level Mirrorless by companies Olympus and Pentax. There exists a sizable gap between the image resolutions of the E-620 (12MP) and K-01 (16MP) and the E-620 (Four Thirds) and K-01 (APS-C) come with totally different sensor size.

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The E-620 was announced 3 years prior to the K-01 and that is quite a significant difference as far as technology is concerned. Each of these cameras offer different body type with the Olympus E-620 being a Compact SLR camera and the Pentax K-01 being a SLR-style mirrorless camera.

Before we go in to a detailed comparison, below is a quick summary of how the E-620 grades versus the K-01 with respect to portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-620 over the Pentax K-01

 E-620 K-01 
Display typeFully ArticulatedFixed Fully Articulating display
Selfie screen Easy selfies

Reasons to pick Pentax K-01 over the Olympus E-620

 K-01 E-620 
RevealedMay 2012July 2009More recent by 35 months
Display sizing3"2.7"Larger display (+0.3")
Display resolution921k230kSharper display (+691k dot)

Common features in the Olympus E-620 and Pentax K-01

 E-620 K-01 
Focus manually Very accurate focus
Touch display Lack of Touch display

Olympus E-620 vs Pentax K-01 Physical Comparison

For those who are going to lug around your camera often, you will need to think about its weight and size. The Olympus E-620 has got outer measurements of 130mm x 94mm x 60mm (5.1" x 3.7" x 2.4") having a weight of 500 grams (1.10 lbs) whilst the Pentax K-01 has specifications of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") having a weight of 561 grams (1.24 lbs).

Take a look at the Olympus E-620 versus Pentax K-01 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 during that time. Following is the front view size comparison of the E-620 against the K-01.

Olympus E-620 vs Pentax K-01 size comparison

Using dimensions and weight, the portability grade of the E-620 and K-01 is 71 and 76 respectively.

Olympus E-620 vs Pentax K-01 top view buttons comparison

Olympus E-620 vs Pentax K-01 Sensor Comparison

Quite often, it's hard to visualise the gap between sensor measurements only by going over technical specs. The graphic underneath should offer you a greater sense of the sensor sizing in the E-620 and K-01.

As you have seen, both cameras offer different megapixels and different sensor measurements. The E-620 using its tinier sensor will make getting shallow DOF more difficult and the Pentax K-01 will offer you greater detail with its extra 4MP. Greater resolution can also enable you to crop photos a little more aggressively. The older E-620 is going to be behind when it comes to sensor innovation.

Olympus E-620 vs Pentax K-01 sensor size comparison

Olympus E-620 vs Pentax K-01 Screen and ViewFinder

Olympus E-620 vs Pentax K-01 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-620
Portrait photography with Pentax K-01
60
has manual focus
decent sensor size (Four Thirds)
has face detection autofocus
supports RAW files
low MP (12 megapixels)
74
manual focus
decent MP (16MP)
sensor size is nice (APS-C)
offers face detect autofocus
delivers RAW formats
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Street Comparison

Olympus E-620 as a Street photography camera
Pentax K-01 as a Street photography camera
76
screen articulates
image stabilization (Sensor based)
decent sensor size (Four Thirds)
supports RAW files
66
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW formats
screen does not articulate
heavier than competition (561 grams)
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Sports Comparison

Olympus E-620 Sports photography info
Pentax K-01 Sports photography info
48
image stabilization (Sensor based)
decent sensor size (Four Thirds)
sensor has phase detect autofocus
painfully slow continuous shooting (4.0 frames per second)
low MP (12 megapixels)
terrible battery pack (500 shots)
61
built in image stabilization (Sensor based)
decent MP (16MP)
sensor size is nice (APS-C)
good battery life (540 CIPA)
slow continuous shooting (6.0 fps)
lack of phase detect autofocus
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Travel Comparison

Travel photography with Olympus E-620
Travel photography with Pentax K-01
53
flash built-in
screen is selfie friendly
does not have Time Lapse recording
terrible battery pack (500 per charge)
low MP (12MP)
65
good battery life (540 per charge)
decent MP (16MP)
flash built-in
heavier than competition (561 grams)
screen is not selfie friendly
Photography Glossary

Landscape Comparison

Olympus E-620 as a Landscape photography camera
Pentax K-01 as a Landscape photography camera
53
has manual focus
change lenses (Micro Four Thirds mount)
image stabilization (Sensor based)
decent sensor size (Four Thirds)
supports RAW files
tiny screen (2.7")
low MP (12MP)
terrible battery pack (500 shots)
does not have Time Lapse recording
80
manual focus
change lenses (Pentax KAF2 mount)
nice screen size (3 inches)
built in image stabilization (Sensor based)
decent MP (16 megapixels)
sensor size is nice (APS-C)
delivers RAW formats
good battery life (540 per charge)
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Vlogging Comparison

Vlogging with Olympus E-620
Vlogging with Pentax K-01
18
no video shooting
34
built in image stabilization (Sensor based)
offers face detect autofocus
video resolution high (1920 x 1080 resolution)
has mic jack
screen is not selfie friendly
heavier than competition (561 grams)
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Olympus E-620 vs Pentax K-01 Specifications

Detailed spec comparison table for Olympus E-620 and Pentax K-01
 Olympus E-620Pentax K-01
General Information
Manufacturer Olympus Pentax
Model type Olympus E-620 Pentax K-01
Category Entry-Level DSLR Entry-Level Mirrorless
Introduced 2009-07-06 2012-05-30
Body design Compact SLR SLR-style mirrorless
Sensor Information
Processor Chip TruePic III+ -
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor dimensions 17.3 x 13mm 23.7 x 15.7mm
Sensor surface area 224.9mm² 372.1mm²
Sensor resolution 12 megapixel 16 megapixel
Anti alias filter
Aspect ratio 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Max resolution 4032 x 3024 4928 x 3264
Max native ISO 3200 12800
Max enhanced ISO - 25600
Lowest native ISO 100 100
RAW data
Autofocusing
Manual focusing
Touch focus
Continuous AF
Single AF
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 7 81
Lens
Lens mount type Micro Four Thirds Pentax KAF2
Total lenses 45 151
Crop factor 2.1 1.5
Screen
Range of screen Fully Articulated Fixed Type
Screen sizing 2.7" 3"
Screen resolution 230 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch capability
Screen technology HyperCrystal LCD TFT LCD monitor
Viewfinder Information
Viewfinder Optical (pentamirror) None
Viewfinder coverage 95% -
Viewfinder magnification 0.48x -
Features
Minimum shutter speed 60s 30s
Fastest shutter speed 1/4000s 1/4000s
Continuous shutter speed 4.0fps 6.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash distance 12.00 m 12.00 m (at ISO 100)
Flash modes Auto, On, Off, Red-Eye, Slow Sync, Front curtain, Rear curtain, Fill-in, Manual Auto, On, Off, Red-eye, Slow-speed Sync, Trailing Curtain Sync
Hot shoe
Auto exposure bracketing
White balance bracketing
Fastest flash sync 1/180s 1/180s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 1920 x 1080 (30, 25, 24 fps),1280 x 720 (60, 50, 30, 25, 24 fps), 640 x 480 (30, 25, 24 fps)
Max video resolution None 1920x1080
Video file format - MPEG-4, H.264
Mic input
Headphone input
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 500g (1.10 lb) 561g (1.24 lb)
Dimensions 130 x 94 x 60mm (5.1" x 3.7" x 2.4") 122 x 79 x 58mm (4.8" x 3.1" x 2.3")
DXO scores
DXO Overall rating 55 79
DXO Color Depth rating 21.3 23.7
DXO Dynamic range rating 10.3 12.9
DXO Low light rating 536 1135
Other
Battery life 500 shots 540 shots
Battery format Battery Pack Battery Pack
Battery ID BLS-1 D-LI90
Self timer Yes (2 or 12 sec) Yes (2 or 12 sec)
Time lapse shooting
Storage media Compact Flash (Type I or II), xD Picture Card SD/SDHC/SDXC
Storage slots Single Single
Pricing at release $799 $899