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Olympus TG-5 vs Pentax K100D

Portability
90
Imaging
38
Features
51
Overall
43
Olympus Tough TG-5 front
 
Pentax K100D front
Portability
64
Imaging
45
Features
36
Overall
41

Olympus TG-5 vs Pentax K100D Key Specs

Olympus TG-5
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 12800 (Boost to 12800)
  • Sensor-shift Image Stabilization
  • 3840 x 2160 video
  • 25-100mm (F2.0-4.9) lens
  • 250g - 113 x 66 x 32mm
  • Released May 2017
  • Replaced the Olympus TG-4
  • Updated by Olympus TG-6
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
  • Launched December 2006
  • Successor is Pentax K100D S
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Olympus TG-5 vs Pentax K100D Overview

On this page, we will be comparing the Olympus TG-5 vs Pentax K100D, former being a Waterproof while the latter is a Entry-Level DSLR by manufacturers Olympus and Pentax. There is a substantial difference among the image resolutions of the TG-5 (12MP) and K100D (6MP) and the TG-5 (1/2.3") and K100D (APS-C) boast different sensor sizing.

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The TG-5 was announced 10 years later than the K100D and that is a fairly big difference as far as camera tech is concerned. Both of the cameras have different body design with the Olympus TG-5 being a Compact camera and the Pentax K100D being a Compact SLR camera.

Before we go straight to a comprehensive comparison, here is a brief summation of how the TG-5 scores vs the K100D with regard to portability, imaging, features and an overall rating.

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Reasons to pick Olympus TG-5 over the Pentax K100D

 TG-5 K100D 
LaunchedMay 2017December 2006Fresher by 128 months
Screen dimensions3"2.5"Bigger screen (+0.5")
Screen resolution460k210kClearer screen (+250k dot)

Reasons to pick Pentax K100D over the Olympus TG-5

 K100D TG-5 

Common features in the Olympus TG-5 and Pentax K100D

 TG-5 K100D 
Manual focus Dial exact focus
Screen typeFixed Fixed Fixed screen
Selfie screen Neither has selfie screen
Touch screen Neither has Touch screen

Olympus TG-5 vs Pentax K100D Physical Comparison

If you are looking to carry your camera frequently, you have to take into account its weight and proportions. The Olympus TG-5 has exterior dimensions of 113mm x 66mm x 32mm (4.4" x 2.6" x 1.3") with a weight of 250 grams (0.55 lbs) while the Pentax K100D has measurements of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") having a weight of 660 grams (1.46 lbs).

Check out the Olympus TG-5 vs Pentax K100D in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will change based on the lens you select at the time. Underneath is a front view measurements comparison of the TG-5 vs the K100D.

Olympus TG-5 vs Pentax K100D size comparison

Using size and weight, the portability grade of the TG-5 and K100D is 90 and 64 respectively.

Olympus TG-5 vs Pentax K100D top view buttons comparison

Olympus TG-5 vs Pentax K100D Sensor Comparison

Generally, it is very difficult to picture the difference in sensor sizing just by viewing technical specs. The photograph underneath may offer you a more clear sense of the sensor dimensions in the TG-5 and K100D.

As you have seen, each of the cameras provide different megapixels and different sensor sizing. The TG-5 using its smaller sensor is going to make achieving shallower depth of field tougher and the Olympus TG-5 will provide you with greater detail with its extra 6MP. Higher resolution will let you crop pictures more aggressively. The more recent TG-5 should have an advantage with regard to sensor innovation.

Olympus TG-5 vs Pentax K100D sensor size comparison

Olympus TG-5 vs Pentax K100D Screen and ViewFinder

Olympus TG-5 vs Pentax K100D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-5 Portrait photography details
Pentax K100D Portrait photography details
39
focusing manually
offers face detection autofocus
supports RAW files
no manual control
cannot use external flash
megapixel count low (12 megapixels)
very small sensor size (1/2.3")
51
focusing manually
nice sensor size (APS-C)
supports RAW formats
no liveview
megapixel count low (6 megapixels)
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Street Comparison

Olympus TG-5 as a Street photography camera
Pentax K100D as a Street photography camera
64
image stabilization (Sensor-shift)
supports RAW files
environment sealing
screen does not articulate
very small sensor size (1/2.3")
more heavy than competition in class (250 grams)
58
built in image stabilization (Sensor based)
nice sensor size (APS-C)
supports RAW formats
fixed screen
heavier than competition (660g)
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Sports Comparison

Olympus TG-5 Sports photography features
Pentax K100D Sports photography features
46
high max frames per second (20.0 frames per second)
image stabilization (Sensor-shift)
offers tracking autofocus
environment sealing
good battery pack (340 per charge)
lack of shutter priority mode
megapixel count low (12MP)
very small sensor size (1/2.3")
has no phase detect autofocus
47
built in image stabilization (Sensor based)
nice sensor size (APS-C)
sensor has phase detect AF
no liveview
continuous shooting slow (3.0 frames per second)
megapixel count low (6MP)
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Travel Comparison

Olympus TG-5 Travel photography factors
Pentax K100D Travel photography factors
68
good battery pack (340 CIPA)
environment sealing
built-in flash
decently wide (25mm)
very good max aperture (f2.0)
more heavy than competition in class (250 grams)
megapixel count low (12 megapixels)
display isn't selfie friendly
42
built-in flash
missing Time Lapse function
heavier than competition (660 grams)
megapixel count low (6MP)
does not offer selfie friendly display
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Landscape Comparison

Olympus TG-5 Landscape photography factors
Pentax K100D Landscape photography factors
57
focusing manually
decently wide (25mm)
very good max aperture (f2.0)
screen size is good (3")
image stabilization (Sensor-shift)
supports RAW files
environment sealing
good battery pack (340 CIPA)
cannot swap lens (fixed lens mount)
no manual control
megapixel count low (12MP)
very small sensor size (1/2.3")
52
focusing manually
switch lenses (Pentax KAF mount)
built in image stabilization (Sensor based)
nice sensor size (APS-C)
supports RAW formats
small screen (2.5 inch)
no liveview
megapixel count low (6 megapixels)
missing Time Lapse function
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Vlogging Comparison

Vlogging with Olympus TG-5
Vlogging with Pentax K100D
34
decently wide (25mm)
very good max aperture (f2.0)
image stabilization (Sensor-shift)
offers face detection autofocus
video res high (3840 x 2160 resolution)
display isn't selfie friendly
doesn't have external microphone port
more heavy than competition in class (250 grams)
9
can't record video
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Olympus TG-5 vs Pentax K100D Specifications

Detailed spec comparison table for Olympus TG-5 and Pentax K100D
 Olympus Tough TG-5Pentax K100D
General Information
Company Olympus Pentax
Model type Olympus Tough TG-5 Pentax K100D
Type Waterproof Entry-Level DSLR
Released 2017-05-17 2006-12-03
Physical type Compact Compact SLR
Sensor Information
Chip TruePic VIII -
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 surface area 28.1mm² 369.0mm²
Sensor resolution 12 megapixel 6 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Highest Possible resolution 4000 x 3000 3008 x 2008
Maximum native ISO 12800 3200
Maximum enhanced ISO 12800 -
Lowest native ISO 100 200
RAW pictures
Lowest enhanced ISO 100 -
Autofocusing
Focus manually
Touch focus
Continuous AF
AF single
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 25 11
Lens
Lens support fixed lens Pentax KAF
Lens zoom range 25-100mm (4.0x) -
Highest aperture f/2.0-4.9 -
Macro focusing distance 1cm -
Amount of lenses - 151
Crop factor 5.8 1.5
Screen
Display type Fixed Type Fixed Type
Display diagonal 3 inch 2.5 inch
Resolution of display 460 thousand dots 210 thousand dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder None Optical (pentamirror)
Viewfinder coverage - 96%
Viewfinder magnification - 0.57x
Features
Min shutter speed 4s 30s
Max shutter speed 1/2000s 1/4000s
Continuous shutter rate 20.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Set WB
Image stabilization
Inbuilt flash
Flash options Auto, redeye reduction, slow sync, redeye slow sync, fill, manual, off Auto, On, Off, Red-eye reduction
External flash
AEB
White balance bracketing
Max flash synchronize - 1/180s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM -
Maximum video resolution 3840x2160 None
Video file format MPEG-4, H.264 -
Mic port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 250 grams (0.55 lbs) 660 grams (1.46 lbs)
Physical dimensions 113 x 66 x 32mm (4.4" x 2.6" x 1.3") 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 340 pictures -
Battery type Battery Pack -
Battery ID LI-92B 4 x AA
Self timer Yes (2 or 12 secs, custom) Yes (2 or 12 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC card (UHS-I compatible) SD/MMC card
Card slots 1 1
Pricing at release $449 $0