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Olympus TG-820 iHS vs Sigma DP2 Merrill

Portability
92
Imaging
35
Features
37
Overall
35
Olympus TG-820 iHS front
 
Sigma DP2 Merrill front
Portability
83
Imaging
55
Features
33
Overall
46

Olympus TG-820 iHS vs Sigma DP2 Merrill Key Specs

Olympus TG-820 iHS
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 28-140mm (F3.9-5.9) lens
  • 206g - 101 x 65 x 26mm
  • Introduced February 2012
Sigma DP2 Merrill
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • 640 x 480 video
  • 50mm (F2.8) lens
  • 330g - 122 x 67 x 59mm
  • Revealed February 2012
  • Previous Model is Sigma DP1 Merrill
  • Renewed by Sigma DP3 Merrill
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Olympus TG-820 iHS vs Sigma DP2 Merrill Overview

The following is a extended overview of the Olympus TG-820 iHS and Sigma DP2 Merrill, former is a Waterproof while the other is a Large Sensor Compact by brands Olympus and Sigma. The sensor resolution of the TG-820 iHS (12MP) and the DP2 Merrill (15MP) is fairly close but the TG-820 iHS (1/2.3") and DP2 Merrill (APS-C) have totally different sensor sizes.

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The TG-820 iHS was brought out within a month of the DP2 Merrill and they are of a similar age. The two cameras have different body design with the Olympus TG-820 iHS being a Compact camera and the Sigma DP2 Merrill being a Large Sensor Compact camera.

Before delving straight to a step-by-step comparison, here is a quick introduction of how the TG-820 iHS matches up vs the DP2 Merrill when considering portability, imaging, features and an overall mark.

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Reasons to pick Olympus TG-820 iHS over the Sigma DP2 Merrill

 TG-820 iHS DP2 Merrill 
Display resolution1030k920kSharper display (+110k dot)

Reasons to pick Sigma DP2 Merrill over the Olympus TG-820 iHS

 DP2 Merrill TG-820 iHS 
Manually focus Dial accurate focusing

Common features in the Olympus TG-820 iHS and Sigma DP2 Merrill

 TG-820 iHS DP2 Merrill 
RevealedFebruary 2012February 2012Same age
Display typeFixed Fixed Fixed display
Display dimensions3"3"Equal display dimensions
Selfie screen Absent selfie screen
Touch display Absent Touch display

Olympus TG-820 iHS vs Sigma DP2 Merrill Physical Comparison

When you are going to travel with your camera regularly, you'll need to factor in its weight and size. The Olympus TG-820 iHS provides outer measurements of 101mm x 65mm x 26mm (4.0" x 2.6" x 1.0") accompanied by a weight of 206 grams (0.45 lbs) whilst the Sigma DP2 Merrill has specifications of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") accompanied by a weight of 330 grams (0.73 lbs).

Take a look at the Olympus TG-820 iHS and Sigma DP2 Merrill in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will differ based on the lens you use at that moment. Here is a front view size comparison of the TG-820 iHS and the DP2 Merrill.

Olympus TG-820 iHS vs Sigma DP2 Merrill size comparison

Taking into consideration size and weight, the portability rating of the TG-820 iHS and DP2 Merrill is 92 and 83 respectively.

Olympus TG-820 iHS vs Sigma DP2 Merrill top view buttons comparison

Olympus TG-820 iHS vs Sigma DP2 Merrill Sensor Comparison

Usually, its tough to see the contrast in sensor dimensions only by viewing technical specs. The image underneath will give you a far better sense of the sensor measurements in the TG-820 iHS and DP2 Merrill.

As you can tell, each of the cameras provide different megapixel count and different sensor dimensions. The TG-820 iHS due to its smaller sensor will make shooting shallower DOF harder and the Sigma DP2 Merrill will render more detail having its extra 3MP. Greater resolution will let you crop photos more aggressively.

Olympus TG-820 iHS vs Sigma DP2 Merrill sensor size comparison

Olympus TG-820 iHS vs Sigma DP2 Merrill Screen and ViewFinder

Olympus TG-820 iHS vs Sigma DP2 Merrill Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-820 iHS Portrait photography advice
Sigma DP2 Merrill Portrait photography advice
26
has face detection autofocus
lack of manual focus
manual mode not possible
external flash not possible
megapixel count low (12 megapixels)
very small sensor size (1/2.3")
lacks RAW format
73
has manual focus
resolution is good (15MP)
sensor size is decent (APS-C)
supports RAW files
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Street Comparison

Olympus TG-820 iHS Street photography details
Sigma DP2 Merrill Street photography details
61
has image stabilization (Sensor-shift)
environment proofing
fixed screen
very small sensor size (1/2.3")
lacks RAW format
65
sensor size is decent (APS-C)
supports RAW files
screen is fixed
lack of image stabilization
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Sports Comparison

Olympus TG-820 iHS Sports photography details
Sigma DP2 Merrill Sports photography details
34
has image stabilization (Sensor-shift)
has tracking autofocus
environment proofing
slow continuous shooting (5.0 fps)
no shutter priority mode
megapixel count low (12MP)
very small sensor size (1/2.3")
bad battery pack (220 shots)
lacks phase detect autofocus
44
resolution is good (15 megapixels)
sensor size is decent (APS-C)
focal length is fixed (50mm)
max frames per second low (4.0 frames/s)
lack of image stabilization
has no phase detect AF
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Travel Comparison

Travel photography with Olympus TG-820 iHS
Travel photography with Sigma DP2 Merrill
58
environment proofing
flash built-in
rather wide (28mm)
does not have Timelapse recording
bad battery pack (220 CIPA)
megapixel count low (12 megapixels)
does not feature selfie friendly screen
sluggish maximum aperture (f3.9)
54
resolution is good (15MP)
doesn't have Time Lapse function
does not have a selfie friendly display
sluggish max aperture (f2.8)
Photography Glossary

Landscape Comparison

Olympus TG-820 iHS Landscape photography advice
Sigma DP2 Merrill Landscape photography advice
38
rather wide (28mm)
screen size is decent (3 inch)
has image stabilization (Sensor-shift)
environment proofing
lack of manual focus
lens is fixed (fixed lens mount)
sluggish maximum aperture (f3.9)
manual mode not possible
megapixel count low (12MP)
very small sensor size (1/2.3")
lacks RAW format
bad battery pack (220 shots)
does not have Timelapse recording
55
has manual focus
pretty good screen size (3")
resolution is good (15MP)
sensor size is decent (APS-C)
supports RAW files
fixed lens (fixed lens mount)
focal length is fixed (50mm)
sluggish max aperture (f2.8)
lack of image stabilization
doesn't have Time Lapse function
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Vlogging Comparison

Olympus TG-820 iHS Vlogging information
Sigma DP2 Merrill Vlogging information
33
rather wide (28mm)
has image stabilization (Sensor-shift)
has face detection autofocus
high quality video (1920 x 1080 pxls)
sluggish maximum aperture (f3.9)
does not feature selfie friendly screen
does not have external microphone jack
22
sluggish max aperture (f2.8)
does not have a selfie friendly display
lack of image stabilization
low res video (640 x 480 pixels)
doesn't have mic socket
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Olympus TG-820 iHS vs Sigma DP2 Merrill Specifications

Detailed spec comparison table for Olympus TG-820 iHS and Sigma DP2 Merrill
 Olympus TG-820 iHSSigma DP2 Merrill
General Information
Manufacturer Olympus Sigma
Model Olympus TG-820 iHS Sigma DP2 Merrill
Category Waterproof Large Sensor Compact
Introduced 2012-02-08 2012-02-08
Physical type Compact Large Sensor Compact
Sensor Information
Processor Chip TruePic VI Dual TRUE II engine
Sensor type CMOS CMOS (Foveon X3)
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 24 x 16mm
Sensor surface area 28.1mm² 384.0mm²
Sensor resolution 12 megapixel 15 megapixel
Anti aliasing filter
Highest Possible resolution 3968 x 2976 4704 x 3136
Maximum native ISO 6400 6400
Min native ISO 100 100
RAW pictures
Autofocusing
Focus manually
Touch focus
Continuous AF
Single AF
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 28-140mm (5.0x) 50mm (1x)
Highest aperture f/3.9-5.9 f/2.8
Macro focus range 1cm -
Crop factor 5.8 1.5
Screen
Display type Fixed Type Fixed Type
Display size 3 inches 3 inches
Resolution of display 1,030 thousand dots 920 thousand dots
Selfie friendly
Liveview
Touch function
Display technology HyperCrystal III TFT Color LCD -
Viewfinder Information
Viewfinder None None
Features
Min shutter speed 4 secs -
Max shutter speed 1/2000 secs -
Continuous shutter rate 5.0 frames per sec 4.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Set WB
Image stabilization
Inbuilt flash
Flash range 3.50 m no built-in flash
Flash modes Auto, On, Off, Red-Eye, Fill-in no built-in flash
Hot shoe
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 (30 fps)1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) 640x480
Maximum video resolution 1920x1080 640x480
Video format MPEG-4, H.264 Motion JPEG
Mic port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 206 grams (0.45 pounds) 330 grams (0.73 pounds)
Physical dimensions 101 x 65 x 26mm (4.0" x 2.6" x 1.0") 122 x 67 x 59mm (4.8" x 2.6" x 2.3")
DXO scores
DXO Overall 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 220 pictures -
Type of battery Battery Pack -
Battery model LI-50B -
Self timer Yes (2 or 12 sec, pet auto shutter) -
Time lapse shooting
Type of storage SD/SDHC/SDXC -
Card slots 1 1
Pricing at release $500 $931