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Olympus SP-620 UZ vs Pentax K20D

Portability
78
Imaging
39
Features
36
Overall
37
Olympus SP-620 UZ front
 
Pentax K20D front
Portability
59
Imaging
53
Features
52
Overall
52

Olympus SP-620 UZ vs Pentax K20D Key Specs

Olympus SP-620 UZ
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 3200
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 25-525mm (F3.1-5.8) lens
  • 435g - 110 x 74 x 74mm
  • Revealed January 2012
  • Previous Model is Olympus SP-610UZ
Pentax K20D
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Push to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 70mm
  • Revealed June 2008
  • Superseded the Pentax K10D
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Olympus SP-620 UZ vs Pentax K20D Overview

The following is a detailed analysis of the Olympus SP-620 UZ and Pentax K20D, one is a Small Sensor Superzoom and the other is a Advanced DSLR by brands Olympus and Pentax. The image resolution of the SP-620 UZ (16MP) and the K20D (15MP) is fairly well matched but the SP-620 UZ (1/2.3") and K20D (APS-C) come with different sensor dimensions.

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The SP-620 UZ was launched 3 years after the K20D which is quite a significant gap as far as tech is concerned. Each of these cameras come with different body type with the Olympus SP-620 UZ being a Compact camera and the Pentax K20D being a Mid-size SLR camera.

Before going in to a comprehensive comparison, below is a short summary of how the SP-620 UZ matches up versus the K20D when considering portability, imaging, features and an overall mark.

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Reasons to pick Olympus SP-620 UZ over the Pentax K20D

 SP-620 UZ K20D 
RevealedJanuary 2012June 2008Newer by 44 months
Display dimension3"2.7"Larger display (+0.3")

Reasons to pick Pentax K20D over the Olympus SP-620 UZ

 K20D SP-620 UZ 
Manual focus Very exact focusing

Common features in the Olympus SP-620 UZ and Pentax K20D

 SP-620 UZ K20D 
Display typeFixed Fixed Fixed display
Display resolution230k230kThe same display resolution
Selfie screen Absent selfie screen
Touch friendly display Neither offers Touch friendly display

Olympus SP-620 UZ vs Pentax K20D Physical Comparison

For those who are planning to travel with your camera frequently, you'll need to think about its weight and measurements. The Olympus SP-620 UZ offers exterior dimensions of 110mm x 74mm x 74mm (4.3" x 2.9" x 2.9") having a weight of 435 grams (0.96 lbs) whilst the Pentax K20D has proportions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") along with a weight of 800 grams (1.76 lbs).

Analyze the Olympus SP-620 UZ and Pentax K20D in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will change based on the lens you use at the time. Underneath is the front view physical size comparison of the SP-620 UZ versus the K20D.

Olympus SP-620 UZ vs Pentax K20D size comparison

Taking into consideration size and weight, the portability grade of the SP-620 UZ and K20D is 78 and 59 respectively.

Olympus SP-620 UZ vs Pentax K20D top view buttons comparison

Olympus SP-620 UZ vs Pentax K20D Sensor Comparison

Often, it is very hard to picture the gap between sensor dimensions only by checking a spec sheet. The pic here may provide you a better sense of the sensor sizes in the SP-620 UZ and K20D.

As you can see, each of the cameras have got different resolutions and different sensor dimensions. The SP-620 UZ because of its tinier sensor is going to make getting bokeh more challenging and the Olympus SP-620 UZ will give extra detail utilizing its extra 1MP. Greater resolution can also allow you to crop photos much more aggressively. The fresher SP-620 UZ provides an edge with regard to sensor technology.

Olympus SP-620 UZ vs Pentax K20D sensor size comparison

Olympus SP-620 UZ vs Pentax K20D Screen and ViewFinder

Olympus SP-620 UZ vs Pentax K20D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus SP-620 UZ Portrait photography features
Pentax K20D Portrait photography features
34
decent megapixels (16 megapixels)
offers face detection focus
manual focus not available
no manual control
no external flash support
very small sensor size (1/2.3")
has no RAW files
71
manual focus
megapixel count good (15MP)
sensor size is good (APS-C)
delivers RAW files
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Street Comparison

Street photography with Olympus SP-620 UZ
Street photography with Pentax K20D
50
image stabilization (Sensor-shift)
fixed screen
very small sensor size (1/2.3")
has no RAW files
65
image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW files
environment sealing
fixed screen
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Sports Comparison

Sports photography with Olympus SP-620 UZ
Sports photography with Pentax K20D
48
long zoom range (25-525mm 21.0 x zoom)
image stabilization (Sensor-shift)
decent megapixels (16MP)
offers tracking autofocus
no shutter priority
very small sensor size (1/2.3")
has no phase detect auto focus
68
image stabilization (Sensor based)
megapixel count good (15MP)
sensor size is good (APS-C)
environment sealing
supports phase detect autofocus
very slow continuous shooting (3.0 fps)
Photography Glossary

Travel Comparison

Olympus SP-620 UZ Travel photography details
Pentax K20D Travel photography details
61
decent megapixels (16 megapixels)
flash built-in
reasonably wide (25mm)
very long reach (525mm)
no Timelapse function
screen is not selfie friendly
slow maximum aperture (f3.1)
64
environment sealing
megapixel count good (15MP)
has built in flash
display isn't selfie friendly
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Landscape Comparison

Olympus SP-620 UZ Landscape photography info
Pentax K20D Landscape photography info
41
reasonably wide (25mm)
screen size is good (3")
image stabilization (Sensor-shift)
decent megapixels (16MP)
manual focus not available
fixed lens (fixed lens mount)
slow maximum aperture (f3.1)
no manual control
very small sensor size (1/2.3")
has no RAW files
no Timelapse function
70
manual focus
switch lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
megapixel count good (15 megapixels)
sensor size is good (APS-C)
delivers RAW files
environment sealing
screen is somewhat small (2.7")
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Vlogging Comparison

Olympus SP-620 UZ as a Vlogging camera
Pentax K20D as a Vlogging camera
28
reasonably wide (25mm)
image stabilization (Sensor-shift)
offers face detection focus
slow maximum aperture (f3.1)
screen is not selfie friendly
low video resolution (1280 x 720 pixels)
no external microphone jack
9
can't record video
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Olympus SP-620 UZ vs Pentax K20D Specifications

Detailed spec comparison table for Olympus SP-620 UZ and Pentax K20D
 Olympus SP-620 UZPentax K20D
General Information
Brand Name Olympus Pentax
Model Olympus SP-620 UZ Pentax K20D
Type Small Sensor Superzoom Advanced DSLR
Revealed 2012-01-10 2008-06-25
Body design Compact Mid-size SLR
Sensor Information
Powered by TruePic III+ -
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 23.4 x 15.6mm
Sensor area 28.1mm² 365.0mm²
Sensor resolution 16 megapixel 15 megapixel
Anti aliasing filter
Aspect ratio 4:3 and 16:9 3:2
Max resolution 4608 x 3456 4672 x 3104
Max native ISO 3200 3200
Max enhanced ISO - 6400
Min native ISO 100 100
RAW images
Autofocusing
Manual focus
AF touch
AF continuous
AF single
AF tracking
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points - 11
Cross focus points - -
Lens
Lens mount fixed lens Pentax KAF2
Lens focal range 25-525mm (21.0x) -
Maximum aperture f/3.1-5.8 -
Macro focus distance 1cm -
Number of lenses - 151
Focal length multiplier 5.8 1.5
Screen
Display type Fixed Type Fixed Type
Display sizing 3" 2.7"
Display resolution 230k dot 230k dot
Selfie friendly
Liveview
Touch screen
Display tech TFT Color LCD -
Viewfinder Information
Viewfinder None Optical (pentaprism)
Viewfinder coverage - 95 percent
Viewfinder magnification - 0.64x
Features
Minimum shutter speed 4 seconds 30 seconds
Fastest shutter speed 1/1500 seconds 1/4000 seconds
Continuous shutter speed - 3.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Custom WB
Image stabilization
Inbuilt flash
Flash range 6.00 m 13.00 m (at ISO 100)
Flash options Auto, On, Off, Red-Eye, Fill-in Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
External flash
Auto exposure bracketing
WB bracketing
Fastest flash sync - 1/180 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) -
Max video resolution 1280x720 None
Video data format MPEG-4, H.264 -
Microphone input
Headphone input
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 435g (0.96 pounds) 800g (1.76 pounds)
Dimensions 110 x 74 x 74mm (4.3" x 2.9" x 2.9") 142 x 101 x 70mm (5.6" x 4.0" x 2.8")
DXO scores
DXO Overall score not tested 65
DXO Color Depth score not tested 22.9
DXO Dynamic range score not tested 11.1
DXO Low light score not tested 639
Other
Battery model 4 x AA D-LI50
Self timer Yes (2 or 12 sec, pet auto shutter) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC/SDXC SD/MMC/SDHC card
Storage slots One One
Retail pricing $199 $700