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Pentax K-r vs Sony H55

Portability
67
Imaging
52
Features
52
Overall
52
Pentax K-r front
 
Sony Cyber-shot DSC-H55 front
Portability
92
Imaging
36
Features
28
Overall
32

Pentax K-r vs Sony H55 Key Specs

Pentax K-r
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 200 - 12800 (Push to 25600)
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 598g - 125 x 97 x 68mm
  • Released March 2011
Sony H55
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 25-250mm (F3.5-5.5) lens
  • 200g - 103 x 58 x 29mm
  • Released June 2010
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Pentax K-r vs Sony H55 Overview

In this article, we will be reviewing the Pentax K-r and Sony H55, one being a Entry-Level DSLR and the latter is a Small Sensor Compact by manufacturers Pentax and Sony. The sensor resolution of the K-r (12MP) and the H55 (14MP) is pretty close but the K-r (APS-C) and H55 (1/2.3") come with different sensor sizing.

Photography Glossary

The K-r was introduced 9 months later than the H55 and they are both of a similar generation. The two cameras offer different body type with the Pentax K-r being a Compact SLR camera and the Sony H55 being a Compact camera.

Before delving straight into a full comparison, below is a quick introduction of how the K-r matches up versus the H55 with respect to portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-r over the Sony H55

 K-r H55 
ReleasedMarch 2011June 2010Fresher by 9 months
Manual focus More exact focus
Screen resolution921k230kCrisper screen (+691k dot)

Reasons to pick Sony H55 over the Pentax K-r

 H55 K-r 

Common features in the Pentax K-r and Sony H55

 K-r H55 
Screen typeFixed Fixed Fixed screen
Screen sizing3"3"Equivalent screen measurement
Selfie screen Missing selfie screen
Touch friendly screen Missing Touch friendly screen

Pentax K-r vs Sony H55 Physical Comparison

If you are going to carry your camera, you'll need to consider its weight and volume. The Pentax K-r offers outside dimensions of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") having a weight of 598 grams (1.32 lbs) whilst the Sony H55 has sizing of 103mm x 58mm x 29mm (4.1" x 2.3" x 1.1") accompanied by a weight of 200 grams (0.44 lbs).

Compare the Pentax K-r and Sony H55 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will differ based on the lens you select during that time. Here is the front view physical size comparison of the K-r against the H55.

Pentax K-r vs Sony H55 size comparison

Factoring in size and weight, the portability grade of the K-r and H55 is 67 and 92 respectively.

Pentax K-r vs Sony H55 top view buttons comparison

Pentax K-r vs Sony H55 Sensor Comparison

Usually, its hard to visualize the contrast in sensor sizing merely by viewing a spec sheet. The visual below will help give you a stronger sense of the sensor dimensions in the K-r and H55.

Clearly, both cameras enjoy different megapixels and different sensor sizing. The K-r using its bigger sensor is going to make shooting shallower DOF less difficult and the Sony H55 will result in greater detail using its extra 2MP. Higher resolution will also make it easier to crop shots far more aggressively. The younger K-r provides an edge when it comes to sensor tech.

Pentax K-r vs Sony H55 sensor size comparison

Pentax K-r vs Sony H55 Screen and ViewFinder

Pentax K-r vs Sony H55 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-r Portrait photography details
Sony H55 Portrait photography details
63
has manual focus
decent sensor size (APS-C)
includes face detection autofocus
delivers RAW formats
resolution not great (12 megapixels)
28
decent sensor resolution (14MP)
no manual focus
no manual mode
external flash not possible
sensor size is small (1/2.3")
has no RAW support
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Street Comparison

Pentax K-r Street photography details
Sony H55 Street photography details
66
image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW formats
no moving screen
56
built in image stabilization (Optical)
no articulating screen
sensor size is small (1/2.3")
has no RAW support
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Sports Comparison

Pentax K-r Sports photography features
Sony H55 Sports photography features
54
high shutter speed (1/6,000 seconds)
image stabilization (Sensor based)
decent sensor size (APS-C)
supports phase detect autofocus
continuous shooting slow (6.0 frames/s)
resolution not great (12 megapixels)
bad battery life (470 per charge)
38
built in image stabilization (Optical)
decent sensor resolution (14MP)
no shutter priority mode
sensor size is small (1/2.3")
has no phase detect auto focus
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Travel Comparison

Travel photography with Pentax K-r
Travel photography with Sony H55
47
has built in flash
bad battery life (470 per charge)
resolution not great (12 megapixels)
display is not selfie friendly
66
decent sensor resolution (14MP)
has built in flash
rather wide (25mm)
great zoom (250mm)
no Time Lapse recording
doesn't contain selfie friendly screen
slow max aperture (f3.5)
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Landscape Comparison

Landscape photography with Pentax K-r
Landscape photography with Sony H55
65
has manual focus
switch lenses (Pentax KAF2 mount)
good sized screen (3 inch)
image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW formats
resolution not great (12MP)
bad battery life (470 CIPA)
41
rather wide (25mm)
decent sized screen (3")
built in image stabilization (Optical)
decent sensor resolution (14 megapixels)
no manual focus
lens is fixed (fixed lens mount)
slow max aperture (f3.5)
no manual mode
sensor size is small (1/2.3")
has no RAW support
no Time Lapse recording
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Vlogging Comparison

Vlogging with Pentax K-r
Vlogging with Sony H55
26
image stabilization (Sensor based)
includes face detection autofocus
display is not selfie friendly
low video resolution (1280 x 720 pxls)
doesn't have external microphone socket
28
rather wide (25mm)
built in image stabilization (Optical)
slow max aperture (f3.5)
doesn't contain selfie friendly screen
video res low (1280 x 720 pixels)
no mic jack
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Pentax K-r vs Sony H55 Specifications

Detailed spec comparison table for Pentax K-r and Sony H55
 Pentax K-rSony Cyber-shot DSC-H55
General Information
Brand Name Pentax Sony
Model Pentax K-r Sony Cyber-shot DSC-H55
Category Entry-Level DSLR Small Sensor Compact
Released 2011-03-11 2010-06-16
Body design Compact SLR Compact
Sensor Information
Processor Chip Prime II Bionz
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor dimensions 23.6 x 15.8mm 6.17 x 4.55mm
Sensor area 372.9mm² 28.1mm²
Sensor resolution 12 megapixels 14 megapixels
Anti aliasing filter
Aspect ratio 3:2 4:3 and 16:9
Maximum resolution 4288 x 2848 4320 x 3240
Maximum native ISO 12800 3200
Maximum boosted ISO 25600 -
Min native ISO 200 80
RAW support
Min boosted ISO 100 -
Autofocusing
Manual focus
Touch focus
AF continuous
Single AF
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 11 9
Cross focus points 9 -
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 25-250mm (10.0x)
Maximal aperture - f/3.5-5.5
Macro focus range - 5cm
Total lenses 151 -
Crop factor 1.5 5.8
Screen
Range of screen Fixed Type Fixed Type
Screen diagonal 3 inch 3 inch
Screen resolution 921 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch function
Screen technology TFT LCD monitor -
Viewfinder Information
Viewfinder Optical (pentamirror) None
Viewfinder coverage 96% -
Viewfinder magnification 0.57x -
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/6000s 1/1600s
Continuous shooting speed 6.0fps 10.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Change WB
Image stabilization
Built-in flash
Flash range 12.00 m (at ISO 100) 3.80 m
Flash settings Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync Auto, On, Slow Syncro, Off
Hot shoe
Auto exposure bracketing
WB bracketing
Highest flash sync 1/180s -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1280 x 720 (25 fps), 640 x 480 (25 fps) 1280 x 720 (30 fps), 640 x 480 (30 fps)
Maximum video resolution 1280x720 1280x720
Video file format Motion JPEG MPEG-4
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 Optional None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 598g (1.32 lbs) 200g (0.44 lbs)
Dimensions 125 x 97 x 68mm (4.9" x 3.8" x 2.7") 103 x 58 x 29mm (4.1" x 2.3" x 1.1")
DXO scores
DXO All around score 72 not tested
DXO Color Depth score 22.9 not tested
DXO Dynamic range score 12.4 not tested
DXO Low light score 755 not tested
Other
Battery life 470 shots -
Battery format Battery Pack -
Battery model D-LI109,4 x AA NP-BG1
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec, portrait1/ portrait2)
Time lapse feature
Storage media SD/SDHC Memory Stick Duo / Pro Duo/ PRO HG-Duo, SD/SDHC, Internal
Storage slots One One
Price at launch $1,100 $235