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Olympus TG-320 vs Pentax K100D S

Portability
94
Imaging
37
Features
33
Overall
35
Olympus TG-320 front
 
Pentax K100D Super front
Portability
65
Imaging
45
Features
38
Overall
42

Olympus TG-320 vs Pentax K100D S Key Specs

Olympus TG-320
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 1600
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-102mm (F3.5-5.1) lens
  • 155g - 96 x 63 x 23mm
  • Launched January 2012
Pentax K100D S
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 646g - 129 x 91 x 71mm
  • Launched June 2007
  • Replaced the Pentax K100D
  • Successor is Pentax K200D
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Olympus TG-320 vs Pentax K100D S Overview

Its time to look closer at the Olympus TG-320 vs Pentax K100D S, one being a Waterproof and the other is a Entry-Level DSLR by brands Olympus and Pentax. There exists a huge gap between the image resolutions of the TG-320 (14MP) and K100D S (6MP) and the TG-320 (1/2.3") and K100D S (APS-C) enjoy different sensor size.

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The TG-320 was announced 4 years later than the K100D S and that is quite a significant gap as far as technology is concerned. Both of these cameras come with different body type with the Olympus TG-320 being a Compact camera and the Pentax K100D S being a Compact SLR camera.

Before diving through a in depth comparison, below is a concise overview of how the TG-320 matches up versus the K100D S with regards to portability, imaging, features and an overall grade.

Photography Glossary
	
	

Reasons to pick Olympus TG-320 over the Pentax K100D S

 TG-320 K100D S 
LaunchedJanuary 2012June 2007More recent by 56 months
Display dimension2.7"2.5"Larger display (+0.2")
Display resolution230k210kCrisper display (+20k dot)

Reasons to pick Pentax K100D S over the Olympus TG-320

 K100D S TG-320 
Manual focus Dial accurate focus

Common features in the Olympus TG-320 and Pentax K100D S

 TG-320 K100D S 
Display typeFixed Fixed Fixed display
Selfie screen Missing selfie screen
Touch display Missing Touch display

Olympus TG-320 vs Pentax K100D S Physical Comparison

If you are aiming to lug around your camera, you are going to need to factor its weight and proportions. The Olympus TG-320 comes with outer measurements of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") accompanied by a weight of 155 grams (0.34 lbs) while the Pentax K100D S has measurements of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") having a weight of 646 grams (1.42 lbs).

Contrast the Olympus TG-320 vs Pentax K100D S in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you are employing during that time. Following is the front view proportions comparison of the TG-320 vs the K100D S.

Olympus TG-320 vs Pentax K100D S size comparison

Looking at dimensions and weight, the portability rating of the TG-320 and K100D S is 94 and 65 respectively.

Olympus TG-320 vs Pentax K100D S top view buttons comparison

Olympus TG-320 vs Pentax K100D S Sensor Comparison

More often than not, it can be tough to picture the difference between sensor measurements just by checking technical specs. The visual below may provide you a much better sense of the sensor measurements in the TG-320 and K100D S.

As you can tell, both cameras have got different resolutions and different sensor measurements. The TG-320 using its tinier sensor is going to make shooting shallower DOF trickier and the Olympus TG-320 will resolve greater detail with its extra 8 Megapixels. Greater resolution will also let you crop images much more aggressively. The newer TG-320 should have an edge when it comes to sensor innovation.

Olympus TG-320 vs Pentax K100D S sensor size comparison

Olympus TG-320 vs Pentax K100D S Screen and ViewFinder

Olympus TG-320 vs Pentax K100D S Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus TG-320
Portrait photography with Pentax K100D S
33
megapixel count decent (14MP)
provides face detect focusing
focusing manually not possible
manual mode not possible
can't use external flash
very small sensor (1/2.3")
does not have RAW support
51
you can focus manually
nice sensor size (APS-C)
delivers RAW files
no liveview feature
low resolution (6MP)
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Street Comparison

Olympus TG-320 Street photography features
Pentax K100D S Street photography features
66
built in image stabilization (Sensor-shift)
weather sealing
lighter than others (155 grams)
screen is fixed
very small sensor (1/2.3")
does not have RAW support
64
built in image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW files
no articulating screen
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Sports Comparison

Olympus TG-320 as a Sports photography camera
Pentax K100D S as a Sports photography camera
40
built in image stabilization (Sensor-shift)
megapixel count decent (14MP)
provides tracking focus
weather sealing
max frames per second low (1.0 frames/s)
no shutter priority
very small sensor (1/2.3")
bad battery power (150 shots)
does not have phase detect AF
47
built in image stabilization (Sensor based)
nice sensor size (APS-C)
has phase detect AF
no liveview feature
max fps very slow (3.0 fps)
low resolution (6 megapixels)
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Travel Comparison

Olympus TG-320 Travel photography highlights
Pentax K100D S Travel photography highlights
67
lighter than others (155g)
weather sealing
megapixel count decent (14 megapixels)
flash built-in
rather wide (28mm)
doesn't have Time Lapse mode
bad battery power (150 CIPA)
screen is not selfie friendly
somewhat slow max aperture (f3.5)
45
has built in flash
does not have Time Lapse mode
low resolution (6 megapixels)
does not contain selfie friendly display
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Landscape Comparison

Olympus TG-320 as a Landscape photography camera
Pentax K100D S as a Landscape photography camera
39
rather wide (28mm)
built in image stabilization (Sensor-shift)
megapixel count decent (14 megapixels)
weather sealing
focusing manually not possible
lens is fixed (fixed lens mount)
somewhat slow max aperture (f3.5)
screen is small (2.7 inch)
manual mode not possible
very small sensor (1/2.3")
does not have RAW support
bad battery power (150 per charge)
doesn't have Time Lapse mode
52
you can focus manually
interchangeable lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW files
tiny screen (2.5 inch)
no liveview feature
low resolution (6 megapixels)
does not have Time Lapse mode
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Vlogging Comparison

Olympus TG-320 as a Vlogging camera
Pentax K100D S as a Vlogging camera
32
rather wide (28mm)
built in image stabilization (Sensor-shift)
provides face detect focusing
lighter than others (155 grams)
somewhat slow max aperture (f3.5)
screen is not selfie friendly
low res video (1280 x 720 pxls)
doesn't have mic support
9
no video shooting
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Olympus TG-320 vs Pentax K100D S Specifications

Detailed spec comparison table for Olympus TG-320 and Pentax K100D S
 Olympus TG-320Pentax K100D Super
General Information
Company Olympus Pentax
Model Olympus TG-320 Pentax K100D Super
Class Waterproof Entry-Level DSLR
Launched 2012-01-10 2007-06-28
Body design Compact Compact SLR
Sensor Information
Processor TruePic III+ -
Sensor type CCD CCD
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.5 x 15.7mm
Sensor surface area 28.1mm² 369.0mm²
Sensor resolution 14MP 6MP
Anti aliasing filter
Aspect ratio - 3:2
Peak resolution 4288 x 3216 3008 x 2008
Highest native ISO 1600 3200
Min native ISO 80 200
RAW format
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points - 11
Cross focus points - -
Lens
Lens mounting type fixed lens Pentax KAF2
Lens focal range 28-102mm (3.6x) -
Maximal aperture f/3.5-5.1 -
Macro focus range 3cm -
Available lenses - 151
Focal length multiplier 5.8 1.5
Screen
Range of display Fixed Type Fixed Type
Display sizing 2.7" 2.5"
Display resolution 230 thousand dot 210 thousand dot
Selfie friendly
Liveview
Touch friendly
Display technology TFT Color LCD -
Viewfinder Information
Viewfinder type None Optical (pentamirror)
Viewfinder coverage - 96%
Viewfinder magnification - 0.57x
Features
Minimum shutter speed 4 seconds 30 seconds
Fastest shutter speed 1/2000 seconds 1/4000 seconds
Continuous shutter speed 1.0fps 3.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range 5.80 m -
Flash options Auto, On, Off, Red-Eye, Fill-in Auto, On, Off, Red-eye reduction
Hot shoe
Auto exposure bracketing
WB bracketing
Fastest flash sync - 1/180 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) -
Highest video resolution 1280x720 None
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
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 155 grams (0.34 lb) 646 grams (1.42 lb)
Dimensions 96 x 63 x 23mm (3.8" x 2.5" x 0.9") 129 x 91 x 71mm (5.1" x 3.6" x 2.8")
DXO scores
DXO Overall score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 150 photos -
Battery format Battery Pack -
Battery model LI-42B 4 x AA
Self timer Yes (2 or 12 sec, pet auto shutter) Yes (2 or 12 sec)
Time lapse shooting
Storage media SD/SDHC/SDXC SD/SDHC card
Storage slots One One
Price at release $0 $520