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Olympus TG-810 vs Pentax K-7

Portability
92
Imaging
37
Features
37
Overall
37
Olympus TG-810 front
 
Pentax K-7 front
Portability
60
Imaging
54
Features
69
Overall
60

Olympus TG-810 vs Pentax K-7 Key Specs

Olympus TG-810
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 1600
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-140mm (F3.9-5.9) lens
  • 215g - 100 x 65 x 26mm
  • Introduced August 2011
Pentax K-7
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 2000 (Raise to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 750g - 131 x 97 x 73mm
  • Released October 2009
  • Renewed by Pentax K-5
Photography Glossary

Olympus TG-810 vs Pentax K-7 Overview

Below, we will be comparing the Olympus TG-810 and Pentax K-7, one is a Waterproof and the latter is a Advanced DSLR by manufacturers Olympus and Pentax. The sensor resolution of the TG-810 (14MP) and the K-7 (15MP) is relatively comparable but the TG-810 (1/2.3") and K-7 (APS-C) possess different sensor measurements.

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The TG-810 was manufactured 23 months after the K-7 which makes the cameras a generation away from one another. Both cameras come with different body type with the Olympus TG-810 being a Compact camera and the Pentax K-7 being a Mid-size SLR camera.

Before we go through a thorough comparison, below is a simple summary of how the TG-810 matches up versus the K-7 in the way of portability, imaging, features and an overall score.

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Reasons to pick Olympus TG-810 over the Pentax K-7

 TG-810 K-7 
ReleasedAugust 2011October 2009More modern by 23 months

Reasons to pick Pentax K-7 over the Olympus TG-810

 K-7 TG-810 
Manual focus More exact focusing
Screen resolution921k920kSharper screen (+1k dot)

Common features in the Olympus TG-810 and Pentax K-7

 TG-810 K-7 
Screen typeFixed Fixed Fixed screen
Screen dimension3"3"Identical screen measurements
Selfie screen Neither contains selfie screen
Touch screen Neither contains Touch screen

Olympus TG-810 vs Pentax K-7 Physical Comparison

If you are going to carry around your camera regularly, you have to think about its weight and proportions. The Olympus TG-810 has got exterior dimensions of 100mm x 65mm x 26mm (3.9" x 2.6" x 1.0") with a weight of 215 grams (0.47 lbs) and the Pentax K-7 has measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 750 grams (1.65 lbs).

Examine the Olympus TG-810 and Pentax K-7 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you are using at the time. Underneath is the front view measurement comparison of the TG-810 and the K-7.

Olympus TG-810 vs Pentax K-7 size comparison

Factoring in dimensions and weight, the portability score of the TG-810 and K-7 is 92 and 60 respectively.

Olympus TG-810 vs Pentax K-7 top view buttons comparison

Olympus TG-810 vs Pentax K-7 Sensor Comparison

More often than not, it is tough to visualize the difference in sensor sizes purely by going through specifications. The picture underneath might offer you a clearer sense of the sensor sizes in the TG-810 and K-7.

Plainly, both of these cameras posses different megapixels and different sensor sizes. The TG-810 due to its smaller sensor is going to make getting shallower DOF harder and the Pentax K-7 will show greater detail due to its extra 1MP. Higher resolution will help you crop pictures somewhat more aggressively. The fresher TG-810 provides an edge when it comes to sensor tech.

Olympus TG-810 vs Pentax K-7 sensor size comparison

Olympus TG-810 vs Pentax K-7 Screen and ViewFinder

Olympus TG-810 vs Pentax K-7 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-810 Portrait photography highlights
Pentax K-7 Portrait photography highlights
33
MP count good (14 megapixels)
features face detection focusing
lack of manual focus
no manual mode
no external flash support
small sensor (1/2.3")
lack of RAW files
72
has manual focus
good MP (15MP)
decent sensor size (APS-C)
supports face detection focusing
delivers RAW formats
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Street Comparison

Olympus TG-810 Street photography advice
Pentax K-7 Street photography advice
61
image stabilization (Sensor-shift)
weather sealing
fixed screen
small sensor (1/2.3")
lack of RAW files
66
built in image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW formats
environment proofing
no articulating screen
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Sports Comparison

Sports photography with Olympus TG-810
Sports photography with Pentax K-7
40
image stabilization (Sensor-shift)
MP count good (14 megapixels)
features tracking autofocus
weather sealing
low frames per second (1.0 frames/s)
no shutter priority mode
small sensor (1/2.3")
terrible battery life (220 CIPA)
lack of phase detect AF
69
high shutter speed (1/8,000s)
built in image stabilization (Sensor based)
good MP (15 megapixels)
decent sensor size (APS-C)
environment proofing
comes with phase detect AF
low fps (5.0 frames/s)
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Travel Comparison

Olympus TG-810 Travel photography information
Pentax K-7 Travel photography information
64
weather sealing
MP count good (14MP)
has built in flash
decently wide (28mm)
does not have Time Lapse function
terrible battery life (220 per charge)
does not have a selfie friendly display
somewhat slow max aperture (f3.9)
64
environment proofing
good MP (15 megapixels)
built-in flash
display is not selfie friendly
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Landscape Comparison

Olympus TG-810 Landscape photography advice
Pentax K-7 Landscape photography advice
43
decently wide (28mm)
nice screen size (3 inch)
image stabilization (Sensor-shift)
MP count good (14 megapixels)
weather sealing
lack of manual focus
lens is fixed (fixed lens mount)
somewhat slow max aperture (f3.9)
no manual mode
small sensor (1/2.3")
lack of RAW files
terrible battery life (220 shots)
does not have Time Lapse function
77
has manual focus
switch lenses (Pentax KAF2 mount)
screen is a good size (3 inches)
built in image stabilization (Sensor based)
good MP (15 megapixels)
decent sensor size (APS-C)
delivers RAW formats
environment proofing
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Vlogging Comparison

Olympus TG-810 Vlogging details
Pentax K-7 Vlogging details
30
decently wide (28mm)
image stabilization (Sensor-shift)
features face detection focusing
somewhat slow max aperture (f3.9)
does not have a selfie friendly display
low res video (1280 x 720 pxls)
does not have external mic socket
25
built in image stabilization (Sensor based)
supports face detection focusing
display is not selfie friendly
low quality video (1280 x 720 pxls)
no external mic port
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Olympus TG-810 vs Pentax K-7 Specifications

Detailed spec comparison table for Olympus TG-810 and Pentax K-7
 Olympus TG-810Pentax K-7
General Information
Company Olympus Pentax
Model type Olympus TG-810 Pentax K-7
Type Waterproof Advanced DSLR
Introduced 2011-08-16 2009-10-02
Body design Compact Mid-size 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 23.4 x 15.6mm
Sensor area 28.1mm² 365.0mm²
Sensor resolution 14 megapixels 15 megapixels
Anti alias filter
Aspect ratio 4:3 and 16:9 3:2
Peak resolution 4288 x 3216 4672 x 3104
Highest native ISO 1600 2000
Highest enhanced ISO - 6400
Min native ISO 80 100
RAW images
Autofocusing
Focus manually
AF touch
AF continuous
AF single
AF tracking
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points - 11
Cross type focus points - -
Lens
Lens mount type fixed lens Pentax KAF2
Lens zoom range 28-140mm (5.0x) -
Largest aperture f/3.9-5.9 -
Macro focusing range 3cm -
Number of lenses - 151
Focal length multiplier 5.8 1.5
Screen
Display type Fixed Type Fixed Type
Display diagonal 3" 3"
Display resolution 920 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch operation
Display technology TFT Hypercrystal III Color LCD TFT color LCD with AR coating
Viewfinder Information
Viewfinder None Optical (pentaprism)
Viewfinder coverage - 100%
Viewfinder magnification - 0.61x
Features
Minimum shutter speed 4 secs 30 secs
Fastest shutter speed 1/2000 secs 1/8000 secs
Continuous shutter speed 1.0 frames per second 5.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance 4.20 m 13.00 m
Flash options Auto, On, Off, Red-Eye, Fill-in Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless
Hot shoe
Auto exposure bracketing
WB bracketing
Fastest flash sync - 1/180 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Highest video resolution 1280x720 1280x720
Video data format MPEG-4, H.264 Motion JPEG
Mic jack
Headphone jack
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS BuiltIn None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 215g (0.47 lbs) 750g (1.65 lbs)
Dimensions 100 x 65 x 26mm (3.9" x 2.6" x 1.0") 131 x 97 x 73mm (5.2" x 3.8" x 2.9")
DXO scores
DXO Overall rating not tested 61
DXO Color Depth rating not tested 22.6
DXO Dynamic range rating not tested 10.6
DXO Low light rating not tested 536
Other
Battery life 220 images 980 images
Style of battery Battery Pack Battery Pack
Battery ID LI-50B D-LI90
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC/SDXC SD/SDHC/MMC
Storage slots 1 1
Retail price $428 $599