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Olympus TG-310 vs Pentax K-r

Portability
94
Imaging
37
Features
33
Overall
35
Olympus TG-310 front
 
Pentax K-r front
Portability
67
Imaging
53
Features
52
Overall
52

Olympus TG-310 vs Pentax K-r Key Specs

Olympus TG-310
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 1600
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-102mm (F3.9-5.9) lens
  • 155g - 96 x 63 x 23mm
  • Released January 2011
Pentax K-r
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 200 - 12800 (Push to 25600)
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 598g - 125 x 97 x 68mm
  • Revealed March 2011
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Olympus TG-310 vs Pentax K-r Overview

Here, we will be looking at the Olympus TG-310 versus Pentax K-r, one is a Waterproof and the latter is a Entry-Level DSLR by rivals Olympus and Pentax. The sensor resolution of the TG-310 (14MP) and the K-r (12MP) is relatively close but the TG-310 (1/2.3") and K-r (APS-C) provide totally different sensor sizes.

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The TG-310 was released 2 months earlier than the K-r so they are of a similar generation. Each of the cameras feature different body design with the Olympus TG-310 being a Compact camera and the Pentax K-r being a Compact SLR camera.

Before we go right into a complete comparison, here is a quick summation of how the TG-310 matches up versus the K-r when it comes to portability, imaging, features and an overall mark.

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Reasons to pick Olympus TG-310 over the Pentax K-r

 TG-310 K-r 

Reasons to pick Pentax K-r over the Olympus TG-310

 K-r TG-310 
Manual focus Very accurate focusing
Screen size3"2.7"Bigger screen (+0.3")
Screen resolution921k230kCrisper screen (+691k dot)

Common features in the Olympus TG-310 and Pentax K-r

 TG-310 K-r 
RevealedJanuary 2011March 2011Same generation
Screen typeFixed Fixed Fixed screen
Selfie screen No selfie screen
Touch screen No Touch screen

Olympus TG-310 vs Pentax K-r Physical Comparison

For anyone who is intending to travel with your camera, you will have to take into account its weight and volume. The Olympus TG-310 features physical dimensions of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") accompanied by a weight of 155 grams (0.34 lbs) and the Pentax K-r has sizing of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") having a weight of 598 grams (1.32 lbs).

Take a look at the Olympus TG-310 versus Pentax K-r in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will change depending on the lens you are utilising at that moment. Here is a front view measurement comparison of the TG-310 versus the K-r.

Olympus TG-310 vs Pentax K-r size comparison

Using size and weight, the portability grade of the TG-310 and K-r is 94 and 67 respectively.

Olympus TG-310 vs Pentax K-r top view buttons comparison

Olympus TG-310 vs Pentax K-r Sensor Comparison

In many cases, it is tough to envision the gap in sensor dimensions just by looking through specifications. The image below should give you a much better sense of the sensor dimensions in the TG-310 and K-r.

To sum up, both of those cameras feature different resolutions and different sensor dimensions. The TG-310 featuring a smaller sensor will make shooting shallow depth of field harder and the Olympus TG-310 will result in extra detail as a result of its extra 2MP. Higher resolution will also let you crop photographs way more aggressively.

Olympus TG-310 vs Pentax K-r sensor size comparison

Olympus TG-310 vs Pentax K-r Screen and ViewFinder

Olympus TG-310 vs Pentax K-r Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-310 Portrait photography details
Pentax K-r Portrait photography details
33
decent megapixels (14 megapixels)
has face detection focus
manual focus not available
manual mode not available
can't use external flash
very small sensor (1/2.3")
does not have RAW support
63
manual focus
decent sensor size (APS-C)
supports face detection autofocus
exports RAW formats
low resolution sensor (12 megapixels)
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Street Comparison

Olympus TG-310 as a Street photography camera
Pentax K-r as a Street photography camera
66
has image stabilization (Sensor-shift)
environment proofing
lighter than others in class (155g)
fixed screen
very small sensor (1/2.3")
does not have RAW support
67
has image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW formats
no moving screen
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Sports Comparison

Olympus TG-310 Sports photography features
Pentax K-r Sports photography features
40
has image stabilization (Sensor-shift)
decent megapixels (14MP)
has tracking autofocus
environment proofing
slow continuous shooting (1.0 fps)
lack of shutter priority mode
very small sensor (1/2.3")
not so great battery (150 CIPA)
does not have phase detect auto focus
55
great max shutter speed (1/6,000s)
has image stabilization (Sensor based)
decent sensor size (APS-C)
comes with phase detect autofocus
continuous shooting slow (6.0 fps)
low resolution sensor (12MP)
terrible battery power (470 CIPA)
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Travel Comparison

Olympus TG-310 Travel photography highlights
Pentax K-r Travel photography highlights
67
lighter than others in class (155g)
environment proofing
decent megapixels (14MP)
has built in flash
pretty wide (28mm)
no Time Lapse mode
not so great battery (150 CIPA)
screen isn't selfie friendly
slow maximum aperture (f3.9)
47
flash built-in
terrible battery power (470 CIPA)
low resolution sensor (12 megapixels)
screen is not selfie friendly
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Landscape Comparison

Olympus TG-310 as a Landscape photography camera
Pentax K-r as a Landscape photography camera
39
pretty wide (28mm)
has image stabilization (Sensor-shift)
decent megapixels (14MP)
environment proofing
manual focus not available
fixed lens (fixed lens mount)
slow maximum aperture (f3.9)
small screen (2.7 inch)
manual mode not available
very small sensor (1/2.3")
does not have RAW support
not so great battery (150 CIPA)
no Time Lapse mode
65
manual focus
change lenses (Pentax KAF2 mount)
screen size is decent (3 inch)
has image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW formats
low resolution sensor (12MP)
terrible battery power (470 CIPA)
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Vlogging Comparison

Olympus TG-310 Vlogging info
Pentax K-r Vlogging info
32
pretty wide (28mm)
has image stabilization (Sensor-shift)
has face detection focus
lighter than others in class (155 grams)
slow maximum aperture (f3.9)
screen isn't selfie friendly
low res video (1280 x 720 pxls)
no external mic socket
26
has image stabilization (Sensor based)
supports face detection autofocus
screen is not selfie friendly
low video resolution (1280 x 720 pxls)
does not have external mic support
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Olympus TG-310 vs Pentax K-r Specifications

Detailed spec comparison table for Olympus TG-310 and Pentax K-r
 Olympus TG-310Pentax K-r
General Information
Company Olympus Pentax
Model type Olympus TG-310 Pentax K-r
Category Waterproof Entry-Level DSLR
Released 2011-01-06 2011-03-11
Physical type Compact Compact SLR
Sensor Information
Powered by TruePic III+ Prime II
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.6 x 15.8mm
Sensor surface area 28.1mm² 372.9mm²
Sensor resolution 14 megapixel 12 megapixel
Anti alias filter
Aspect ratio - 3:2
Highest resolution 4288 x 3216 4288 x 2848
Highest native ISO 1600 12800
Highest boosted ISO - 25600
Lowest native ISO 80 200
RAW data
Lowest boosted ISO - 100
Autofocusing
Manual focusing
AF touch
AF continuous
AF single
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points - 11
Cross type focus points - 9
Lens
Lens support fixed lens Pentax KAF2
Lens zoom range 28-102mm (3.6x) -
Maximum aperture f/3.9-5.9 -
Macro focusing distance 3cm -
Number of lenses - 151
Focal length multiplier 5.8 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen size 2.7 inch 3 inch
Screen resolution 230 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch friendly
Screen technology TFT Color LCD TFT LCD monitor
Viewfinder Information
Viewfinder type None Optical (pentamirror)
Viewfinder coverage - 96%
Viewfinder magnification - 0.57x
Features
Lowest shutter speed 4 seconds 30 seconds
Highest shutter speed 1/2000 seconds 1/6000 seconds
Continuous shooting rate 1.0 frames/s 6.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance 4.20 m 12.00 m (at ISO 100)
Flash options Auto, On, Off, Red-Eye, Fill-in Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync
Hot shoe
AE bracketing
WB bracketing
Highest flash synchronize - 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) 1280 x 720 (25 fps), 640 x 480 (25 fps)
Highest video resolution 1280x720 1280x720
Video format Motion JPEG Motion JPEG
Mic support
Headphone support
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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 155 grams (0.34 lbs) 598 grams (1.32 lbs)
Physical dimensions 96 x 63 x 23mm (3.8" x 2.5" x 0.9") 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 150 photographs 470 photographs
Battery style Battery Pack Battery Pack
Battery ID LI-42B D-LI109,4 x AA
Self timer Yes (2 or 12 sec) Yes (2 or 12 sec)
Time lapse feature
Storage type SD/SDHC/SDXC SD/SDHC
Card slots One One
Price at launch $0 $1,100