Updated (February, 2012): Compare the Olympus TG-820 iHS vs Pentax Optio WG-2 GPS

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Reasons to buy the Pentax Optio WG-2 GPS

Built-in flash
Built-in flash
Usually standard
Sensor type
CMOS Sensor
Better in low light
Panorama
In-camera panoramas
Stitches together multiple photos into a panorama
GPS
Built-in GPS
Great for travel
 

Reasons to buy the Olympus Tough TG-810

Built-in flash
Built-in flash
Usually standard
Screen resolution
High resolution screen
920k dots
Size
Really small
Compact 100x65x26 mm
Image stabilization
Image stabilization
Sensor shift, Digital
 
Differences | Recommendations | Cast your vote | Similarities | Competitors | Appearance | Discussion

differences

Advantages of the Olympus TG-810

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Screen resolution Significantly higher resolution screen 920k dots vs 460k dots
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2x higher resolution screen
Size Smaller 100x65x26 mm vs 122x61x30 mm
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More than 20% smaller
Image stabilization Better image stabilization Sensor shift, Digital vs Digital
Help
Less risk of blur
Thickness Thinner 1" vs 1.2"
Help
More than 10% thinner
Olympus Tough TG-810 Learn more about
the Olympus TG-810

Advantages of the Pentax WG-2 GPS

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Movie format Higher resolution movies 1080p @ 30fps vs 720p @ 30fps
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Shoots higher resolution Full HD (1080p) video
Panorama Can create panoramas in-camera Yes vs No
Help
Stitches together multiple photos for a wide perspective
Sensor type Has a CMOS-family sensor CMOS vs CCD
Help
CMOS-family sensors often produce better quality images
Aperture Wider aperture f/3.5 vs f/3.9
Help
At its widest zoom, the WG-2 GPS's lens captures marginally more light (0.3 f-stops)
Continuous shooting Shoots significantly faster 10 fps vs 0.7 fps
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Around 14.5x faster continuous shooting
Light sensitivity Better maximum light sensitivity 6,400 ISO vs 1,600 ISO
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The WG-2 GPS's maximum light sensitivity is 2 f-stops better
Macro focus Better macro capability 1 cm vs 3 cm
Help
Focus on subjects 3x closer to the lens
Weight Lighter 198 g vs 221 g
Help
More than 10% lighter
Pentax Optio WG-2 GPS Learn more about
the Pentax WG-2 GPS
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recommendations

Which camera do we recommend? Relative to the best recent waterproof cameras, and ignoring price

Olympus Tough TG-810 Olympus Tough TG-810 75
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        76 Pentax Optio WG-2 GPS Pentax Optio WG-2 GPS

        similarities

        Compared to recent compacts

        Common Strengths Common Weaknesses
        GPS Built-in GPS Help
        Great for travel
        Waterproof Waterproof Help
        Great at the beach
        Longest exposure Short max exposure time Help
        4 seconds
        Supports RAW No RAW support Help
        Less editing fidelity
        HDR Neither has in-camera HDR Help
        You could do HDR manually
        Wide angle Poor wide angle Help
        28 mm
        Aperture Very narrow widest aperture size Help
        TG-810:f/3.9
        WG-2 GPS:f/3.5
        Zoom Poor zoom Help
        5x

        Compared to recent waterproof cameras

        Common Strengths Common Weaknesses
        Built-in flash Each has a built-in flash Help
        Usually standard
        Screen size Larger than average screens Help
        3.0"
        Thickness Thin Help
        TG-810:1"
        WG-2 GPS:1.2"
        External mic jack Neither has an external mic jack Help
        Limited to the in-camera mic
        High-speed framerate No high speed movie support Help
        Not supported

        competitors

        Shared Competitors

        Advantages

        Disadvantages

        Nikon Coolpix AW100

        Nikon Coolpix AW100

        Waterproof

        $250

        High-speed framerate Records high-speed movies
        Image stabilization Has better image stabilization
        Aperture Has a slightly narrower aperture

        Olympus Tough TG-810 Competitors

        Advantages

        Disadvantages

        Olympus Stylus Tough 8010

        Olympus Stylus Tough 8010

        Waterproof

        $349

        Size Smaller
        Macro focus Better macro capability
        Screen resolution Much lower resolution screen
        Screen size Smaller screen
        Olympus TG-610

        Olympus TG-610

        Waterproof

        $276

        Continuous shooting Shoots faster
        Weight Lighter
        GPS No built-in GPS
        Fujifilm FinePix XP50

        Fujifilm FinePix XP50

        Waterproof

        $250

        Movie format Higher resolution movies
        Panorama Can create panoramas in-camera
        Screen resolution Much lower resolution screen
        Macro focus Much worse macro capability
        Canon PowerShot A3300 IS

        Canon PowerShot A3300 IS

        Compact

        $200

        Aperture Significantly wider aperture
        Size Smaller
        Screen resolution Much lower resolution screen
        GPS No built-in GPS
        Nikon Coolpix AW120

        Nikon Coolpix AW120

        Waterproof

        $289 - $297

        Aperture Significantly wider aperture
        Screen type Has an OLED screen
        Size Larger

        Pentax Optio WG-2 GPS Competitors

        Advantages

        Disadvantages

        GoPro HERO3 Black Edition

        GoPro HERO3 Black Edition

        Waterproof

        Movie format Higher resolution movies
        Wide angle Much better wide angle
        Built-in flash No built-in flash
        Image stabilization No image stabilization
        Pentax WG-3

        Pentax WG-3

        Waterproof

        $287

        Aperture Much wider aperture
        HDR Has in-camera HDR
        Size Larger
        Weight Heavier
        GoPro HD Hero 2

        GoPro HD Hero 2

        Waterproof

        Wide angle Much better wide angle
        External mic jack Has an external mic jack
        Built-in flash No built-in flash
        Image stabilization No image stabilization
        Pentax WG-4

        Pentax WG-4

        Waterproof

        $247

        Aperture Much wider aperture
        HDR Has in-camera HDR
        Panorama Lacks in-camera panoramic stitching
        Size Larger
        Panasonic Lumix DMC-TS4

        Panasonic Lumix TS4

        Waterproof

        $290

        3D Takes 3D photos
        Image stabilization Better image stabilization
        Sensor type Has a CCD-family sensor
        Screen size Smaller screen

        appearance

        Olympus Tough TG-810 Pentax Optio WG-2 GPS
        Olympus Tough TG-810 Pentax Optio WG-2 GPS
        Olympus Tough TG-810 Pentax Optio WG-2 GPS

        discussion

        Olympus Tough TG-810
        Tough TG-810
        Olympus

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        Pentax Optio WG-2 GPS
        Optio WG-2 GPS
        Pentax

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