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Olympus SZ-31MR iHS vs Pentax K-r

Portability
89
Imaging
39
Features
47
Overall
42
Olympus SZ-31MR iHS front
 
Pentax K-r front
Portability
67
Imaging
53
Features
52
Overall
52

Olympus SZ-31MR iHS vs Pentax K-r Key Specs

Olympus SZ-31MR iHS
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 25-600mm (F3.0-6.9) lens
  • 226g - 106 x 69 x 40mm
  • Released February 2012
Pentax K-r
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 200 - 12800 (Raise to 25600)
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 598g - 125 x 97 x 68mm
  • Announced March 2011
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Olympus SZ-31MR iHS vs Pentax K-r Overview

Here, we will be comparing the Olympus SZ-31MR iHS and Pentax K-r, former is a Small Sensor Superzoom while the latter is a Entry-Level DSLR by rivals Olympus and Pentax. There is a considerable difference among the image resolutions of the SZ-31MR iHS (16MP) and K-r (12MP) and the SZ-31MR iHS (1/2.3") and K-r (APS-C) offer different sensor sizes.

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The SZ-31MR iHS was brought out 12 months after the K-r and they are of a similar age. The two cameras feature different body design with the Olympus SZ-31MR iHS being a Compact camera and the Pentax K-r being a Compact SLR camera.

Before diving into a in depth comparison, here is a quick synopsis of how the SZ-31MR iHS scores vs the K-r with regard to portability, imaging, features and an overall score.

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Reasons to pick Olympus SZ-31MR iHS over the Pentax K-r

 SZ-31MR iHS K-r 
AnnouncedFebruary 2012March 2011More modern by 12 months
Touch friendly screen Quickly navigate

Reasons to pick Pentax K-r over the Olympus SZ-31MR iHS

 K-r SZ-31MR iHS 
Manually focus Dial accurate focusing
Screen resolution921k920kSharper screen (+1k dot)

Common features in the Olympus SZ-31MR iHS and Pentax K-r

 SZ-31MR iHS K-r 
Screen typeFixed Fixed Fixed screen
Screen size3"3"Same screen dimensions
Selfie screen Neither provides selfie screen

Olympus SZ-31MR iHS vs Pentax K-r Physical Comparison

In case you're aiming to carry around your camera regularly, you will want to think about its weight and dimensions. The Olympus SZ-31MR iHS provides physical measurements of 106mm x 69mm x 40mm (4.2" x 2.7" x 1.6") accompanied by a weight of 226 grams (0.50 lbs) and the Pentax K-r has dimensions of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") along with a weight of 598 grams (1.32 lbs).

Analyze the Olympus SZ-31MR iHS and Pentax K-r in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will differ based on the lens you are utilising at that moment. Here is a front view measurements comparison of the SZ-31MR iHS compared to the K-r.

Olympus SZ-31MR iHS vs Pentax K-r size comparison

Taking into consideration size and weight, the portability score of the SZ-31MR iHS and K-r is 89 and 67 respectively.

Olympus SZ-31MR iHS vs Pentax K-r top view buttons comparison

Olympus SZ-31MR iHS vs Pentax K-r Sensor Comparison

Generally, it is very difficult to picture the contrast in sensor sizes simply by seeing a spec sheet. The picture below may give you a better sense of the sensor sizing in the SZ-31MR iHS and K-r.

Clearly, both of these cameras come with different megapixel count and different sensor sizes. The SZ-31MR iHS featuring a smaller sensor is going to make getting shallow depth of field tougher and the Olympus SZ-31MR iHS will show more detail having its extra 4MP. Higher resolution can also allow you to crop photographs a good deal more aggressively. The newer SZ-31MR iHS should have a benefit when it comes to sensor technology.

Olympus SZ-31MR iHS vs Pentax K-r sensor size comparison

Olympus SZ-31MR iHS vs Pentax K-r Screen and ViewFinder

Olympus SZ-31MR iHS vs Pentax K-r Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus SZ-31MR iHS as a Portrait photography camera
Pentax K-r as a Portrait photography camera
34
good megapixels (16 megapixels)
supports face detection focusing
focusing manually not possible
lack of manual exposure
external flash not possible
sensor is tiny (1/2.3")
lacks RAW support
63
focusing manually
good sensor size (APS-C)
offers face detection autofocus
saves RAW formats
sensor resolution low (12MP)
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Street Comparison

Olympus SZ-31MR iHS as a Street photography camera
Pentax K-r as a Street photography camera
64
has image stabilization (Sensor-shift)
includes focus by touch
lighter than competition (226 grams)
no moving screen
sensor is tiny (1/2.3")
lacks RAW support
67
has image stabilization (Sensor based)
good sensor size (APS-C)
saves RAW formats
screen is fixed
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Sports Comparison

Sports photography with Olympus SZ-31MR iHS
Sports photography with Pentax K-r
44
incredible zoom range (25-600mm 24.0 x zoom)
has image stabilization (Sensor-shift)
good megapixels (16 megapixels)
supports tracking autofocus
no shutter priority mode
sensor is tiny (1/2.3")
not so great battery power (200 shots)
lacks phase detect AF
55
max shutter speed is good (1/6,000 seconds)
has image stabilization (Sensor based)
good sensor size (APS-C)
sensor has phase detect autofocus
painfully slow continuous shooting (6.0 frames/s)
sensor resolution low (12 megapixels)
terrible battery (470 CIPA)
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Travel Comparison

Olympus SZ-31MR iHS Travel photography advice
Pentax K-r Travel photography advice
67
lighter than competition (226g)
includes focus by touch
good megapixels (16MP)
built-in flash
quite wide (25mm)
long reach (600mm)
doesn't have Timelapse mode
not so great battery power (200 CIPA)
doesn't posses selfie friendly display
sluggish maximum aperture (f3.0)
47
has built in flash
terrible battery (470 per charge)
sensor resolution low (12MP)
display is not selfie friendly
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Landscape Comparison

Landscape photography with Olympus SZ-31MR iHS
Landscape photography with Pentax K-r
41
quite wide (25mm)
screen size is good (3 inch)
has image stabilization (Sensor-shift)
good megapixels (16MP)
focusing manually not possible
fixed lens (fixed lens mount)
sluggish maximum aperture (f3.0)
lack of manual exposure
sensor is tiny (1/2.3")
lacks RAW support
not so great battery power (200 CIPA)
doesn't have Timelapse mode
65
focusing manually
interchangeable lenses (Pentax KAF2 mount)
pretty good screen size (3")
has image stabilization (Sensor based)
good sensor size (APS-C)
saves RAW formats
sensor resolution low (12 megapixels)
terrible battery (470 CIPA)
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Vlogging Comparison

Olympus SZ-31MR iHS Vlogging factors
Pentax K-r Vlogging factors
35
quite wide (25mm)
touchscreen capability
has image stabilization (Sensor-shift)
supports face detection focusing
high video quality (1920 x 1080 pixels)
lighter than competition (226g)
sluggish maximum aperture (f3.0)
doesn't posses selfie friendly display
doesn't have external microphone socket
26
has image stabilization (Sensor based)
offers face detection autofocus
display is not selfie friendly
low quality video (1280 x 720 resolution)
no external microphone socket
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Olympus SZ-31MR iHS vs Pentax K-r Specifications

Detailed spec comparison table for Olympus SZ-31MR iHS and Pentax K-r
 Olympus SZ-31MR iHSPentax K-r
General Information
Brand Name Olympus Pentax
Model type Olympus SZ-31MR iHS Pentax K-r
Type Small Sensor Superzoom Entry-Level DSLR
Released 2012-02-08 2011-03-11
Physical type Compact Compact SLR
Sensor Information
Powered by Dual TruePic V Prime II
Sensor type BSI-CMOS CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 23.6 x 15.8mm
Sensor surface area 28.1mm² 372.9mm²
Sensor resolution 16 megapixels 12 megapixels
Anti alias filter
Aspect ratio 4:3 and 16:9 3:2
Full resolution 4608 x 3456 4288 x 2848
Max native ISO 6400 12800
Max boosted ISO - 25600
Min native ISO 80 200
RAW files
Min boosted ISO - 100
Autofocusing
Focus manually
Touch to focus
Continuous AF
AF single
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points - 11
Cross type focus points - 9
Lens
Lens support fixed lens Pentax KAF2
Lens zoom range 25-600mm (24.0x) -
Highest aperture f/3.0-6.9 -
Macro focusing range 1cm -
Number of lenses - 151
Crop factor 5.8 1.5
Screen
Display type Fixed Type Fixed Type
Display sizing 3" 3"
Resolution of display 920k dots 921k dots
Selfie friendly
Liveview
Touch screen
Display tech Hypercrystal III TFT Color LCD TFT LCD monitor
Viewfinder Information
Viewfinder type None Optical (pentamirror)
Viewfinder coverage - 96 percent
Viewfinder magnification - 0.57x
Features
Slowest shutter speed 4 seconds 30 seconds
Maximum shutter speed 1/1700 seconds 1/6000 seconds
Continuous shooting rate 7.0 frames per sec 6.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Set WB
Image stabilization
Inbuilt flash
Flash distance 9.30 m 12.00 m (at ISO 100)
Flash settings Auto, On, Off, Red-Eye, Fill-in Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync
External flash
AEB
White balance bracketing
Maximum flash synchronize - 1/180 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) 1280 x 720 (25 fps), 640 x 480 (25 fps)
Max video resolution 1920x1080 1280x720
Video format MPEG-4, H.264 Motion JPEG
Microphone port
Headphone port
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 226g (0.50 lbs) 598g (1.32 lbs)
Physical dimensions 106 x 69 x 40mm (4.2" x 2.7" x 1.6") 125 x 97 x 68mm (4.9" x 3.8" x 2.7")
DXO scores
DXO All around rating not tested 72
DXO Color Depth rating not tested 22.9
DXO Dynamic range rating not tested 12.4
DXO Low light rating not tested 755
Other
Battery life 200 shots 470 shots
Battery type Battery Pack Battery Pack
Battery ID LI-50B D-LI109,4 x AA
Self timer Yes (2 or 12 sec, pet auto shutter) Yes (2 or 12 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC SD/SDHC
Card slots One One
Retail pricing $0 $1,100