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Olympus TG-870 vs Pentax K-5

Portability
91
Imaging
41
Features
46
Overall
43
Olympus Stylus Tough TG-870 front
 
Pentax K-5 front
Portability
60
Imaging
56
Features
82
Overall
66

Olympus TG-870 vs Pentax K-5 Key Specs

Olympus TG-870
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Tilting Screen
  • ISO 125 - 6400 (Expand to 12800)
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 21-105mm (F3.5-5.7) lens
  • 221g - 113 x 64 x 28mm
  • Released January 2016
  • Succeeded the Olympus TG-860
Pentax K-5
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 80 - 12800 (Raise to 51200)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 740g - 131 x 97 x 73mm
  • Released December 2010
  • Superseded the Pentax K-7
  • Refreshed by Pentax K-5 IIs
Photography Glossary

Olympus TG-870 vs Pentax K-5 Overview

On this page, we will be analyzing the Olympus TG-870 versus Pentax K-5, former is a Ultracompact while the latter is a Advanced DSLR by brands Olympus and Pentax. The image resolution of the TG-870 (16MP) and the K-5 (16MP) is relatively well matched but the TG-870 (1/2.3") and K-5 (APS-C) have different sensor sizing.

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The TG-870 was revealed 5 years after the K-5 which is quite a significant difference as far as tech is concerned. Both of these cameras have different body design with the Olympus TG-870 being a Ultracompact camera and the Pentax K-5 being a Mid-size SLR camera.

Before diving straight to a complete comparison, here is a quick highlight of how the TG-870 scores against the K-5 in relation to portability, imaging, features and an overall score.

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Reasons to pick Olympus TG-870 over the Pentax K-5

 TG-870 K-5 
ReleasedJanuary 2016December 2010More modern by 62 months
Screen typeTiltingFixed Tilting screen

Reasons to pick Pentax K-5 over the Olympus TG-870

 K-5 TG-870 
Manually focus Very accurate focus

Common features in the Olympus TG-870 and Pentax K-5

 TG-870 K-5 
Screen dimensions3"3"Equal screen measurement
Screen resolution921k921kThe same screen resolution
Selfie screen Neither has selfie screen
Touch friendly screen Lack of Touch friendly screen

Olympus TG-870 vs Pentax K-5 Physical Comparison

When you are intending to carry around your camera often, you'll have to factor its weight and volume. The Olympus TG-870 has external measurements of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") accompanied by a weight of 221 grams (0.49 lbs) while the Pentax K-5 has sizing of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") having a weight of 740 grams (1.63 lbs).

Compare the Olympus TG-870 versus Pentax K-5 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will vary dependant on the lens you choose during that time. Following is a front view dimension comparison of the TG-870 against the K-5.

Olympus TG-870 vs Pentax K-5 size comparison

Taking into account size and weight, the portability score of the TG-870 and K-5 is 91 and 60 respectively.

Olympus TG-870 vs Pentax K-5 top view buttons comparison

Olympus TG-870 vs Pentax K-5 Sensor Comparison

In many cases, it's tough to imagine the gap between sensor sizes just by looking at specs. The picture underneath should provide you a stronger sense of the sensor measurements in the TG-870 and K-5.

As you can plainly see, both the cameras have the same resolution albeit different sensor sizes. The TG-870 contains the tinier sensor which is going to make obtaining shallower DOF more difficult. The younger TG-870 provides an edge in sensor technology.

Olympus TG-870 vs Pentax K-5 sensor size comparison

Olympus TG-870 vs Pentax K-5 Screen and ViewFinder

Olympus TG-870 vs Pentax K-5 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-870 Portrait photography factors
Pentax K-5 Portrait photography factors
36
sensor resolution is decent (16 megapixels)
provides face detect autofocus
no manual focus
no manual mode
cannot use external flash
sensor size is tiny (1/2.3")
does not have RAW format
73
has manual focus
MP count decent (16 megapixels)
sensor size is nice (APS-C)
provides face detect autofocus
exports RAW formats
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Street Comparison

Olympus TG-870 Street photography factors
Pentax K-5 Street photography factors
65
screen tilts up and down
has image stabilization (Optical)
weather sealing
sensor size is tiny (1/2.3")
does not have RAW format
heavier than others (221g)
66
image stabilization (Sensor based)
sensor size is nice (APS-C)
exports RAW formats
environment proof
fixed screen
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Sports Comparison

Olympus TG-870 as a Sports photography camera
Pentax K-5 as a Sports photography camera
51
has image stabilization (Optical)
sensor resolution is decent (16 megapixels)
provides tracking focus
weather sealing
good battery pack (300 shots)
lack of shutter priority mode
sensor size is tiny (1/2.3")
does not have phase detect autofocus
78
maximum shutter speed is high (1/8,000s)
image stabilization (Sensor based)
MP count decent (16MP)
sensor size is nice (APS-C)
provides tracking focus
environment proof
comes with phase detect autofocus
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Travel Comparison

Olympus TG-870 Travel photography factors
Pentax K-5 Travel photography factors
69
good battery pack (300 CIPA)
weather sealing
sensor resolution is decent (16 megapixels)
has built in flash
pretty wide (21mm)
heavier than others (221 grams)
screen is not selfie friendly
somewhat slow maximum aperture (f3.5)
65
environment proof
MP count decent (16MP)
flash built-in
doesn't feature selfie friendly screen
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Landscape Comparison

Olympus TG-870 Landscape photography info
Pentax K-5 Landscape photography info
50
pretty wide (21mm)
screen size is good (3 inch)
has image stabilization (Optical)
sensor resolution is decent (16 megapixels)
weather sealing
good battery pack (300 shots)
no manual focus
fixed lens (fixed lens mount)
somewhat slow maximum aperture (f3.5)
no manual mode
sensor size is tiny (1/2.3")
does not have RAW format
78
has manual focus
swap lenses (Pentax KAF2 mount)
screen size is decent (3 inches)
image stabilization (Sensor based)
MP count decent (16 megapixels)
sensor size is nice (APS-C)
exports RAW formats
environment proof
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Vlogging Comparison

Olympus TG-870 Vlogging advice
Pentax K-5 Vlogging advice
32
pretty wide (21mm)
has image stabilization (Optical)
provides face detect autofocus
video resolution high (1920 x 1080 pxls)
somewhat slow maximum aperture (f3.5)
screen is not selfie friendly
does not have mic jack
heavier than others (221 grams)
33
image stabilization (Sensor based)
provides face detect autofocus
video resolution high (1920 x 1080 pixels)
does have microphone jack
doesn't feature selfie friendly screen
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Olympus TG-870 vs Pentax K-5 Specifications

Detailed spec comparison table for Olympus TG-870 and Pentax K-5
 Olympus Stylus Tough TG-870Pentax K-5
General Information
Brand Olympus Pentax
Model type Olympus Stylus Tough TG-870 Pentax K-5
Type Ultracompact Advanced DSLR
Released 2016-01-06 2010-12-18
Body design Ultracompact Mid-size SLR
Sensor Information
Processor TruePic VII Prime II
Sensor type BSI-CMOS CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 23.7 x 15.7mm
Sensor area 28.1mm² 372.1mm²
Sensor resolution 16 megapixel 16 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Highest resolution 4608 x 3456 4928 x 3264
Highest native ISO 6400 12800
Highest boosted ISO 12800 51200
Lowest native ISO 125 80
RAW pictures
Autofocusing
Manual focusing
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points - 11
Cross type focus points - 9
Lens
Lens mount type fixed lens Pentax KAF2
Lens zoom range 21-105mm (5.0x) -
Maximum aperture f/3.5-5.7 -
Macro focusing distance 1cm -
Available lenses - 151
Focal length multiplier 5.8 1.5
Screen
Range of screen Tilting Fixed Type
Screen size 3" 3"
Resolution of screen 921 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch operation
Screen tech - TFT LCD monitor
Viewfinder Information
Viewfinder None Optical (pentaprism)
Viewfinder coverage - 100%
Viewfinder magnification - 0.61x
Features
Lowest shutter speed 4 secs 30 secs
Highest shutter speed 1/2000 secs 1/8000 secs
Continuous shooting speed 7.0fps 7.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance 4.00 m (at ISO 1600) 13.00 m (at ISO 100)
Flash modes Auto, redeye reduction, fill flash, off, LED illuminator Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless
External flash
AEB
White balance bracketing
Highest flash sync - 1/180 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (60p), 1280 x 720 (60p), 640 x 480 (60p) 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 424 (25, 30 fps)
Highest video resolution 1920x1080 1920x1080
Video file format MPEG-4, H.264 Motion JPEG
Microphone input
Headphone input
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS BuiltIn Optional
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 221 gr (0.49 lbs) 740 gr (1.63 lbs)
Physical dimensions 113 x 64 x 28mm (4.4" x 2.5" x 1.1") 131 x 97 x 73mm (5.2" x 3.8" x 2.9")
DXO scores
DXO All around rating not tested 82
DXO Color Depth rating not tested 23.7
DXO Dynamic range rating not tested 14.1
DXO Low light rating not tested 1162
Other
Battery life 300 shots 980 shots
Battery format Battery Pack Battery Pack
Battery ID Li-50B D-LI90
Self timer Yes (2 or 10 sec, custom) Yes ( 2 or 12 seconds)
Time lapse recording
Storage media SD/SDHC/SDXC, Internal SD/SDHC/SDXC
Storage slots Single Single
Launch price $280 $800