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Olympus SZ-31MR iHS vs Pentax K100D

Portability
89
Imaging
39
Features
47
Overall
42
Olympus SZ-31MR iHS front
 
Pentax K100D front
Portability
64
Imaging
45
Features
36
Overall
41

Olympus SZ-31MR iHS vs Pentax K100D 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
  • Launched February 2012
Pentax K100D
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF Mount
  • 660g - 129 x 93 x 70mm
  • Released December 2006
  • Successor is Pentax K100D S
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Olympus SZ-31MR iHS vs Pentax K100D Overview

Following is a complete comparison of the Olympus SZ-31MR iHS versus Pentax K100D, one is a Small Sensor Superzoom and the latter is a Entry-Level DSLR by companies Olympus and Pentax. There is a big difference among the resolutions of the SZ-31MR iHS (16MP) and K100D (6MP) and the SZ-31MR iHS (1/2.3") and K100D (APS-C) possess different sensor sizes.

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The SZ-31MR iHS was introduced 5 years after the K100D which is a fairly big gap as far as camera tech is concerned. Each of these cameras come with different body type with the Olympus SZ-31MR iHS being a Compact camera and the Pentax K100D being a Compact SLR camera.

Before delving in to a in depth comparison, below is a concise synopsis of how the SZ-31MR iHS matches up versus the K100D for portability, imaging, features and an overall score.

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Reasons to pick Olympus SZ-31MR iHS over the Pentax K100D

 SZ-31MR iHS K100D 
ReleasedFebruary 2012December 2006More modern by 64 months
Screen dimension3"2.5"Bigger screen (+0.5")
Screen resolution920k210kSharper screen (+710k dot)
Touch screen Quickly navigate

Reasons to pick Pentax K100D over the Olympus SZ-31MR iHS

 K100D SZ-31MR iHS 
Focus manually More precise focus

Common features in the Olympus SZ-31MR iHS and Pentax K100D

 SZ-31MR iHS K100D 
Screen typeFixed Fixed Fixed screen
Selfie screen Neither comes with selfie screen

Olympus SZ-31MR iHS vs Pentax K100D Physical Comparison

In case you're going to carry around your camera frequently, you need to think about its weight and size. The Olympus SZ-31MR iHS comes with 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 K100D has specifications of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") along with a weight of 660 grams (1.46 lbs).

Check the Olympus SZ-31MR iHS versus Pentax K100D in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you use at the time. Underneath is the front view over all size comparison of the SZ-31MR iHS vs the K100D.

Olympus SZ-31MR iHS vs Pentax K100D size comparison

Factoring in size and weight, the portability score of the SZ-31MR iHS and K100D is 89 and 64 respectively.

Olympus SZ-31MR iHS vs Pentax K100D top view buttons comparison

Olympus SZ-31MR iHS vs Pentax K100D Sensor Comparison

Oftentimes, it is hard to visualize the contrast in sensor sizes purely by going through specifications. The image underneath will help offer you a clearer sense of the sensor sizing in the SZ-31MR iHS and K100D.

To sum up, both of those cameras have got different megapixels and different sensor sizes. The SZ-31MR iHS having a smaller sensor is going to make getting shallow depth of field more challenging and the Olympus SZ-31MR iHS will produce more detail using its extra 10 Megapixels. Higher resolution will let you crop pictures much more aggressively. The more recent SZ-31MR iHS should have an advantage in sensor innovation.

Olympus SZ-31MR iHS vs Pentax K100D sensor size comparison

Olympus SZ-31MR iHS vs Pentax K100D Screen and ViewFinder

Olympus SZ-31MR iHS vs Pentax K100D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus SZ-31MR iHS Portrait photography details
Pentax K100D Portrait photography details
34
resolution is good (16 megapixels)
includes face detection focus
manual focus not available
manual exposure not available
no external flash support
very small sensor size (1/2.3")
has no RAW format
51
focusing manually
nice sensor size (APS-C)
supports RAW formats
doesn't have liveview
MP count low (6 megapixels)
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Street Comparison

Olympus SZ-31MR iHS Street photography information
Pentax K100D Street photography information
64
image stabilization (Sensor-shift)
comes with focus via touch
lighter than competitors in class (226g)
screen is fixed
very small sensor size (1/2.3")
has no RAW format
58
has image stabilization (Sensor based)
nice sensor size (APS-C)
supports RAW formats
screen is fixed
heavier than others in class (660 grams)
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Sports Comparison

Sports photography with Olympus SZ-31MR iHS
Sports photography with Pentax K100D
44
incredible zoom range (25-600mm 24.0 x zoom)
image stabilization (Sensor-shift)
resolution is good (16MP)
includes tracking autofocus
lack of shutter priority mode
very small sensor size (1/2.3")
not so great battery (200 CIPA)
has no phase detect auto focus
47
has image stabilization (Sensor based)
nice sensor size (APS-C)
supports phase detect auto focus
doesn't have liveview
painfully slow continuous shooting (3.0 fps)
MP count low (6 megapixels)
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Travel Comparison

Olympus SZ-31MR iHS as a Travel photography camera
Pentax K100D as a Travel photography camera
67
lighter than competitors in class (226g)
comes with focus via touch
resolution is good (16 megapixels)
has built in flash
relatively wide (25mm)
very long reach (600mm)
lack of Timelapse mode
not so great battery (200 shots)
display is not selfie friendly
slow maximum aperture (f3.0)
42
has built in flash
does not have Time Lapse mode
heavier than others in class (660 grams)
MP count low (6 megapixels)
display is not selfie friendly
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Landscape Comparison

Landscape photography with Olympus SZ-31MR iHS
Landscape photography with Pentax K100D
41
relatively wide (25mm)
screen size is good (3")
image stabilization (Sensor-shift)
resolution is good (16 megapixels)
manual focus not available
fixed lens (fixed lens mount)
slow maximum aperture (f3.0)
manual exposure not available
very small sensor size (1/2.3")
has no RAW format
not so great battery (200 shots)
lack of Timelapse mode
52
focusing manually
interchangeable lenses (Pentax KAF mount)
has image stabilization (Sensor based)
nice sensor size (APS-C)
supports RAW formats
screen is somewhat small (2.5 inches)
doesn't have liveview
MP count low (6MP)
does not have Time Lapse mode
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Vlogging Comparison

Olympus SZ-31MR iHS Vlogging advice
Pentax K100D Vlogging advice
35
relatively wide (25mm)
touchscreen
image stabilization (Sensor-shift)
includes face detection focus
video resolution high (1920 x 1080 pixels)
lighter than competitors in class (226g)
slow maximum aperture (f3.0)
display is not selfie friendly
lack of external microphone port
9
no video
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Olympus SZ-31MR iHS vs Pentax K100D Specifications

Detailed spec comparison table for Olympus SZ-31MR iHS and Pentax K100D
 Olympus SZ-31MR iHSPentax K100D
General Information
Make Olympus Pentax
Model type Olympus SZ-31MR iHS Pentax K100D
Category Small Sensor Superzoom Entry-Level DSLR
Launched 2012-02-08 2006-12-03
Body design Compact Compact SLR
Sensor Information
Processor Chip Dual TruePic V -
Sensor type BSI-CMOS CCD
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.5 x 15.7mm
Sensor area 28.1mm² 369.0mm²
Sensor resolution 16 megapixels 6 megapixels
Anti alias filter
Aspect ratio 4:3 and 16:9 3:2
Peak resolution 4608 x 3456 3008 x 2008
Highest native ISO 6400 3200
Lowest native ISO 80 200
RAW format
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points - 11
Cross type focus points - -
Lens
Lens support fixed lens Pentax KAF
Lens zoom range 25-600mm (24.0x) -
Maximal aperture f/3.0-6.9 -
Macro focusing distance 1cm -
Total lenses - 151
Focal length multiplier 5.8 1.5
Screen
Range of display Fixed Type Fixed Type
Display sizing 3" 2.5"
Display resolution 920k dot 210k dot
Selfie friendly
Liveview
Touch screen
Display technology Hypercrystal III TFT Color LCD -
Viewfinder Information
Viewfinder type None Optical (pentamirror)
Viewfinder coverage - 96 percent
Viewfinder magnification - 0.57x
Features
Min shutter speed 4s 30s
Max shutter speed 1/1700s 1/4000s
Continuous shutter speed 7.0 frames per sec 3.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance 9.30 m -
Flash options Auto, On, Off, Red-Eye, Fill-in Auto, On, Off, Red-eye reduction
Hot shoe
Auto exposure bracketing
White balance bracketing
Max flash sync - 1/180s
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) -
Highest video resolution 1920x1080 None
Video data format MPEG-4, H.264 -
Mic 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 proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 226 grams (0.50 lb) 660 grams (1.46 lb)
Dimensions 106 x 69 x 40mm (4.2" x 2.7" x 1.6") 129 x 93 x 70mm (5.1" x 3.7" x 2.8")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 200 photos -
Battery format Battery Pack -
Battery ID LI-50B 4 x AA
Self timer Yes (2 or 12 sec, pet auto shutter) Yes (2 or 12 sec)
Time lapse recording
Type of storage SD/SDHC/SDXC SD/MMC card
Storage slots One One
Retail price $0 $0