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Olympus TG-310 vs Pentax ist DS2

Portability
94
Imaging
37
Features
33
Overall
35
Olympus TG-310 front
 
Pentax ist DS2 front
Portability
68
Imaging
44
Features
33
Overall
39

Olympus TG-310 vs Pentax ist DS2 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
  • Revealed January 2011
Pentax ist DS2
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • Pentax KAF Mount
  • 605g - 125 x 93 x 66mm
  • Launched August 2005
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Olympus TG-310 vs Pentax ist DS2 Overview

Here is a thorough assessment of the Olympus TG-310 versus Pentax ist DS2, former being a Waterproof while the other is a Advanced DSLR by rivals Olympus and Pentax. There exists a large gap between the image resolutions of the TG-310 (14MP) and ist DS2 (6MP) and the TG-310 (1/2.3") and ist DS2 (APS-C) offer totally different sensor sizing.

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The TG-310 was revealed 5 years later than the ist DS2 and that is quite a serious difference as far as technology is concerned. Each of the cameras feature different body design with the Olympus TG-310 being a Compact camera and the Pentax ist DS2 being a Mid-size SLR camera.

Before getting into a in-depth comparison, here is a quick view of how the TG-310 scores vs the ist DS2 for portability, imaging, features and an overall rating.

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Reasons to pick Olympus TG-310 over the Pentax ist DS2

 TG-310 ist DS2 
LaunchedJanuary 2011August 2005Fresher by 66 months
Display size2.7"2.5"Larger display (+0.2")
Display resolution230k210kCrisper display (+20k dot)

Reasons to pick Pentax ist DS2 over the Olympus TG-310

 ist DS2 TG-310 
Focus manually More precise focus

Common features in the Olympus TG-310 and Pentax ist DS2

 TG-310 ist DS2 
Display typeFixed Fixed Fixed display
Selfie screen Neither features selfie screen
Touch display Neither features Touch display

Olympus TG-310 vs Pentax ist DS2 Physical Comparison

For those who are aiming to carry your camera frequently, you are going to need to factor in its weight and measurements. The Olympus TG-310 enjoys physical dimensions of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") along with a weight of 155 grams (0.34 lbs) and the Pentax ist DS2 has proportions of 125mm x 93mm x 66mm (4.9" x 3.7" x 2.6") along with a weight of 605 grams (1.33 lbs).

Contrast the Olympus TG-310 versus Pentax ist DS2 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will change based on the lens you have attached at the time. The following is a front view sizing comparison of the TG-310 versus the ist DS2.

Olympus TG-310 vs Pentax ist DS2 size comparison

Using dimensions and weight, the portability score of the TG-310 and ist DS2 is 94 and 68 respectively.

Olympus TG-310 vs Pentax ist DS2 top view buttons comparison

Olympus TG-310 vs Pentax ist DS2 Sensor Comparison

Sometimes, it can be tough to visualise the gap between sensor sizing simply by looking at technical specs. The graphic underneath will give you a better sense of the sensor sizes in the TG-310 and ist DS2.

As you can tell, the 2 cameras feature different megapixels and different sensor sizing. The TG-310 with its tinier sensor will make achieving bokeh trickier and the Olympus TG-310 will give extra detail because of its extra 8 Megapixels. Greater resolution will also allow you to crop pics way more aggressively. The more recent TG-310 is going to have an advantage with regard to sensor technology.

Olympus TG-310 vs Pentax ist DS2 sensor size comparison

Olympus TG-310 vs Pentax ist DS2 Screen and ViewFinder

Olympus TG-310 vs Pentax ist DS2 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-310 Portrait photography details
Pentax ist DS2 Portrait photography details
33
decent MP (14MP)
supports face detection autofocus
lack of manual focus
no manual mode
cannot use external flash
very small sensor size (1/2.3")
has no RAW files
50
has manual focus
sensor size is decent (APS-C)
supports RAW formats
does not have liveview
low resolution sensor (6MP)
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Street Comparison

Olympus TG-310 as a Street photography camera
Pentax ist DS2 as a Street photography camera
66
image stabilization (Sensor-shift)
weather proof
lighter than average in class (155 grams)
no articulating screen
very small sensor size (1/2.3")
has no RAW files
60
sensor size is decent (APS-C)
supports RAW formats
lighter than others (605g)
no moving screen
does not have image stabilization
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Sports Comparison

Olympus TG-310 Sports photography advice
Pentax ist DS2 Sports photography advice
40
image stabilization (Sensor-shift)
decent MP (14MP)
supports tracking autofocus
weather proof
max frames per second very slow (1.0 frames per second)
lack of shutter priority mode
very small sensor size (1/2.3")
terrible battery life (150 CIPA)
has no phase detect autofocus
38
sensor size is decent (APS-C)
sensor has phase detect auto focus
does not have liveview
very slow continuous shooting (3.0 frames per second)
does not have image stabilization
low resolution sensor (6MP)
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Travel Comparison

Olympus TG-310 Travel photography features
Pentax ist DS2 Travel photography features
67
lighter than average in class (155 grams)
weather proof
decent MP (14 megapixels)
has built in flash
rather wide (28mm)
doesn't have Timelapse mode
terrible battery life (150 CIPA)
screen is not selfie friendly
sluggish max aperture (f3.9)
52
lighter than others (605g)
flash built-in
lack of Timelapse recording
low resolution sensor (6 megapixels)
screen is not selfie friendly
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Landscape Comparison

Olympus TG-310 Landscape photography advice
Pentax ist DS2 Landscape photography advice
39
rather wide (28mm)
image stabilization (Sensor-shift)
decent MP (14 megapixels)
weather proof
lack of manual focus
can't swap lenses (fixed lens mount)
sluggish max aperture (f3.9)
tiny screen (2.7 inch)
no manual mode
very small sensor size (1/2.3")
has no RAW files
terrible battery life (150 shots)
doesn't have Timelapse mode
46
has manual focus
change lenses (Pentax KAF mount)
sensor size is decent (APS-C)
supports RAW formats
screen is somewhat small (2.5")
does not have liveview
does not have image stabilization
low resolution sensor (6 megapixels)
lack of Timelapse recording
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Vlogging Comparison

Olympus TG-310 Vlogging factors
Pentax ist DS2 Vlogging factors
32
rather wide (28mm)
image stabilization (Sensor-shift)
supports face detection autofocus
lighter than average in class (155 grams)
sluggish max aperture (f3.9)
screen is not selfie friendly
low quality video (1280 x 720 resolution)
doesn't have external microphone jack
22
lighter than others (605 grams)
screen is not selfie friendly
does not have image stabilization
video resolution low ( pxls)
lack of microphone jack
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Olympus TG-310 vs Pentax ist DS2 Specifications

Detailed spec comparison table for Olympus TG-310 and Pentax ist DS2
 Olympus TG-310Pentax ist DS2
General Information
Brand Name Olympus Pentax
Model type Olympus TG-310 Pentax ist DS2
Class Waterproof Advanced DSLR
Revealed 2011-01-06 2005-08-22
Body design Compact Mid-size SLR
Sensor Information
Processor Chip TruePic III+ -
Sensor type CCD CCD
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 23.5 x 15.7mm
Sensor area 28.1mm² 369.0mm²
Sensor resolution 14MP 6MP
Anti alias filter
Aspect ratio - 3:2
Max resolution 4288 x 3216 3008 x 2008
Max native ISO 1600 3200
Minimum native ISO 80 200
RAW data
Autofocusing
Focus manually
Touch focus
AF continuous
Single AF
Tracking AF
Selective AF
AF center weighted
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points - 11
Cross type focus points - -
Lens
Lens mount type fixed lens Pentax KAF
Lens zoom range 28-102mm (3.6x) -
Max aperture f/3.9-5.9 -
Macro focusing range 3cm -
Total lenses - 151
Crop factor 5.8 1.5
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 2.7 inch 2.5 inch
Resolution of screen 230 thousand dot 210 thousand dot
Selfie friendly
Liveview
Touch capability
Screen tech TFT Color LCD -
Viewfinder Information
Viewfinder None Optical
Viewfinder coverage - 95%
Viewfinder magnification - 0.64x
Features
Min shutter speed 4 secs 30 secs
Max shutter speed 1/2000 secs 1/4000 secs
Continuous shutter speed 1.0 frames per sec 3.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Change WB
Image stabilization
Inbuilt flash
Flash distance 4.20 m -
Flash options Auto, On, Off, Red-Eye, Fill-in Auto, On, Off, Red-eye reduction
External flash
AE bracketing
WB bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) -
Max video resolution 1280x720 -
Video data format Motion JPEG -
Microphone input
Headphone input
Connectivity
Wireless Eye-Fi Connected No
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 1.0 (1.5 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 155g (0.34 pounds) 605g (1.33 pounds)
Physical dimensions 96 x 63 x 23mm (3.8" x 2.5" x 0.9") 125 x 93 x 66mm (4.9" x 3.7" x 2.6")
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 150 images -
Type of battery Battery Pack -
Battery ID LI-42B 4 x AA
Self timer Yes (2 or 12 sec) Yes (2 or 12 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC SD/MMC card
Storage slots One One
Launch price $0 -