Olympus TG-820 iHS vs Sigma DP2 Merrill
92 Imaging
35 Features
37 Overall
35


83 Imaging
55 Features
33 Overall
46
Olympus TG-820 iHS vs Sigma DP2 Merrill Key Specs
(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
(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

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.

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.

Olympus TG-820 iHS vs Sigma DP2 Merrill Gallery
The following is a sample of the gallery pictures for Olympus TG-820 iHS & Sigma DP2 Merrill. The entire galleries are provided at Olympus TG-820 iHS Gallery & Sigma DP2 Merrill Gallery.
Reasons to pick Olympus TG-820 iHS over the Sigma DP2 Merrill
TG-820 iHS | DP2 Merrill | |||
---|---|---|---|---|
Display resolution | 1030k | ![]() | 920k | Sharper 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 | |||
---|---|---|---|---|
Revealed | February 2012 | ![]() | February 2012 | Same age |
Display type | Fixed | ![]() | Fixed | Fixed display |
Display dimensions | 3" | ![]() | 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.
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.

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 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 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Olympus TG-820 iHS vs Sigma DP2 Merrill Specifications
Olympus TG-820 iHS | Sigma 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 |