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Olympus TG-310 vs Pentax E90

Portability
94
Imaging
37
Features
33
Overall
35
Olympus TG-310 front
 
Pentax Optio E90 front
Portability
94
Imaging
33
Features
11
Overall
24

Olympus TG-310 vs Pentax E90 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 E90
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 3200
  • 1280 x 720 video
  • 32-95mm (F3.1-5.9) lens
  • 145g - 102 x 59 x 25mm
  • Revealed January 2010
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Olympus TG-310 vs Pentax E90 Overview

In this article, we will be comparing the Olympus TG-310 versus Pentax E90, former being a Waterproof while the latter is a Small Sensor Compact by companies Olympus and Pentax. There exists a substantial gap among the image resolutions of the TG-310 (14MP) and E90 (10MP) but they feature the same exact sensor sizing (1/2.3").

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The TG-310 was manufactured 12 months later than the E90 which means that they are both of a similar age. Both of these cameras offer the identical body type (Compact).

Before delving in to a complete comparison, below is a concise overview of how the TG-310 grades versus the E90 in regards to portability, imaging, features and an overall rating.

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Reasons to pick Olympus TG-310 over the Pentax E90

 TG-310 E90 
RevealedJanuary 2011January 2010Fresher by 12 months

Reasons to pick Pentax E90 over the Olympus TG-310

 E90 TG-310 

Common features in the Olympus TG-310 and Pentax E90

 TG-310 E90 
Manually focus Lack of manual focusing
Screen typeFixed Fixed Fixed screen
Screen sizing2.7"2.7"Equivalent screen measurement
Screen resolution230k230kThe same screen resolution
Selfie screen Neither contains selfie screen
Touch screen Neither contains Touch screen

Olympus TG-310 vs Pentax E90 Physical Comparison

For those who are planning to carry your camera often, you will want to take into account its weight and proportions. The Olympus TG-310 has got outside measurements of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") along with a weight of 155 grams (0.34 lbs) whilst the Pentax E90 has measurements of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") having a weight of 145 grams (0.32 lbs).

Take a look at the Olympus TG-310 versus Pentax E90 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will change based on the lens you choose during that time. Underneath is the front view size comparison of the TG-310 and the E90.

Olympus TG-310 vs Pentax E90 size comparison

Considering dimensions and weight, the portability rating of the TG-310 and E90 is 94 and 94 respectively.

Olympus TG-310 vs Pentax E90 top view buttons comparison

Olympus TG-310 vs Pentax E90 Sensor Comparison

Typically, it can be tough to visualise the difference in sensor sizing purely by checking out technical specs. The graphic below may provide you a far better sense of the sensor measurements in the TG-310 and E90.

As you can tell, each of these cameras enjoy the same exact sensor sizing albeit not the same MP. You can expect the Olympus TG-310 to show greater detail due to its extra 4 Megapixels. Higher resolution will also allow you to crop shots far more aggressively. The younger TG-310 will have an edge with regard to sensor tech.

Olympus TG-310 vs Pentax E90 sensor size comparison

Olympus TG-310 vs Pentax E90 Screen and ViewFinder

Olympus TG-310 vs Pentax E90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus TG-310
Portrait photography with Pentax E90
33
megapixel count decent (14 megapixels)
features face detect autofocus
lack of manual focus
no manual exposure
external flash not possible
very small sensor (1/2.3")
lack of RAW format
19
manual focus not available
no manual mode
can't use external flash
sensor resolution not great (10MP)
very small sensor (1/2.3")
does not have RAW format
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Street Comparison

Olympus TG-310 as a Street photography camera
Pentax E90 as a Street photography camera
66
built in image stabilization (Sensor-shift)
environment proof
lighter than competition (155 grams)
no moving screen
very small sensor (1/2.3")
lack of RAW format
47
fixed screen
lack of image stabilization
very small sensor (1/2.3")
does not have RAW format
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Sports Comparison

Sports photography with Olympus TG-310
Sports photography with Pentax E90
40
built in image stabilization (Sensor-shift)
megapixel count decent (14MP)
features tracking focus
environment proof
slow fps (1.0 fps)
no shutter priority
very small sensor (1/2.3")
low battery life (150 shots)
lack of phase detect autofocus
16
no shutter priority
lack of image stabilization
sensor resolution not great (10 megapixels)
very small sensor (1/2.3")
does not have phase detect AF
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Travel Comparison

Olympus TG-310 Travel photography factors
Pentax E90 Travel photography factors
67
lighter than competition (155g)
environment proof
megapixel count decent (14 megapixels)
flash built-in
reasonably wide (28mm)
does not have Timelapse mode
low battery life (150 per charge)
does not posses selfie friendly screen
somewhat slow maximum aperture (f3.9)
50
has built in flash
no Time Lapse mode
sensor resolution not great (10MP)
screen isn't selfie friendly
wide angle not great (32mm)
slow max aperture (f3.1)
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Landscape Comparison

Olympus TG-310 Landscape photography features
Pentax E90 Landscape photography features
39
reasonably wide (28mm)
built in image stabilization (Sensor-shift)
megapixel count decent (14MP)
environment proof
lack of manual focus
lens is fixed (fixed lens mount)
somewhat slow maximum aperture (f3.9)
screen is somewhat small (2.7 inches)
no manual exposure
very small sensor (1/2.3")
lack of RAW format
low battery life (150 shots)
does not have Timelapse mode
22
manual focus not available
lens is fixed (fixed lens mount)
wide angle not great (32mm)
slow max aperture (f3.1)
tiny screen (2.7")
no manual mode
lack of image stabilization
sensor resolution not great (10 megapixels)
very small sensor (1/2.3")
does not have RAW format
no Time Lapse mode
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Vlogging Comparison

Olympus TG-310 as a Vlogging camera
Pentax E90 as a Vlogging camera
32
reasonably wide (28mm)
built in image stabilization (Sensor-shift)
features face detect autofocus
lighter than competition (155 grams)
somewhat slow maximum aperture (f3.9)
does not posses selfie friendly screen
low quality video (1280 x 720 resolution)
does not have microphone support
22
wide angle not great (32mm)
slow max aperture (f3.1)
screen isn't selfie friendly
lack of image stabilization
video resolution low (1280 x 720 resolution)
no mic socket
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Olympus TG-310 vs Pentax E90 Specifications

Detailed spec comparison table for Olympus TG-310 and Pentax E90
 Olympus TG-310Pentax Optio E90
General Information
Brand Name Olympus Pentax
Model Olympus TG-310 Pentax Optio E90
Type Waterproof Small Sensor Compact
Revealed 2011-01-06 2010-01-25
Physical type Compact Compact
Sensor Information
Processor TruePic III+ Prime
Sensor type CCD CCD
Sensor size 1/2.3" 1/2.3"
Sensor dimensions 6.17 x 4.55mm 6.08 x 4.56mm
Sensor surface area 28.1mm² 27.7mm²
Sensor resolution 14 megapixel 10 megapixel
Anti aliasing filter
Aspect ratio - 4:3 and 16:9
Full resolution 4288 x 3216 3648 x 2736
Max native ISO 1600 3200
Min native ISO 80 80
RAW format
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points - 3
Cross focus points - -
Lens
Lens mount fixed lens fixed lens
Lens focal range 28-102mm (3.6x) 32-95mm (3.0x)
Max aperture f/3.9-5.9 f/3.1-5.9
Macro focus range 3cm 6cm
Focal length multiplier 5.8 5.9
Screen
Type of screen Fixed Type Fixed Type
Screen sizing 2.7" 2.7"
Resolution of screen 230k dots 230k dots
Selfie friendly
Liveview
Touch friendly
Screen technology TFT Color LCD -
Viewfinder Information
Viewfinder None None
Features
Slowest shutter speed 4 seconds 4 seconds
Maximum shutter speed 1/2000 seconds 1/2000 seconds
Continuous shooting rate 1.0 frames per sec -
Shutter priority
Aperture priority
Expose Manually
Change white balance
Image stabilization
Built-in flash
Flash range 4.20 m 3.50 m
Flash modes Auto, On, Off, Red-Eye, Fill-in -
Hot shoe
AEB
WB bracketing
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 (15 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Max video resolution 1280x720 1280x720
Video file format Motion JPEG Motion JPEG
Mic port
Headphone port
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 155g (0.34 lb) 145g (0.32 lb)
Dimensions 96 x 63 x 23mm (3.8" x 2.5" x 0.9") 102 x 59 x 25mm (4.0" x 2.3" x 1.0")
DXO scores
DXO All around 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 photographs -
Battery type Battery Pack -
Battery model LI-42B 2 x AA
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse recording
Storage type SD/SDHC/SDXC SD/SDHC, Internal
Card slots One One
Launch cost $0 $100