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
Light sensitivity
High ISO
6,400 ISO
Sensor type
CMOS Sensor
Better in low light
Panorama
In-camera panoramas
Stitches together multiple photos into a panorama
 

Reasons to buy the Olympus Tough TG-810

Built-in flash
Built-in flash
Usually standard
Screen resolution
High resolution screen
920k dots
GPS
Built-in GPS
Great for travel
 
Differences | Recommendations | 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
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)
Panorama Can create panoramas in-camera Yes vs No
Help
Stitches together multiple photos for a wide perspective
Continuous shooting Shoots significantly faster 10 fps vs 0.7 fps
Help
Around 14.5x faster continuous shooting
Light sensitivity Better maximum light sensitivity 6,400 ISO vs 1,600 ISO
Help
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

        $269

        High-speed framerate Records high-speed movies
        Image stabilization Has better image stabilization
        Aperture Has a slightly narrower aperture
        Olympus TG-820 iHS

        Olympus TG-820

        Waterproof

        $199 - $238

        Size Is slightly smaller
        HDR Has in-camera HDR
        GPS Doesn't have a built-in GPS
        Battery life Has a slightly shorter battery life
        Olympus Stylus Tough TG-3

        Olympus Stylus Tough TG-3

        Waterproof

        $349 - $880

        Aperture Has a much wider aperture
        Wide angle Has a slightly wider wide angle lens
        Thickness Is thicker
        Weight Is slightly heavier
        Panasonic Lumix DMC-TS4

        Panasonic Lumix TS4

        Waterproof

        $294

        Image stabilization Has better image stabilization
        3D Captures 3D images
        Macro focus Significantly worse macro focusing
        Screen size Has a slightly smaller screen
        Olympus TG-1 iHS

        Olympus TG-1 iHS

        Waterproof

        $580

        Aperture Has a much wider aperture
        Wide angle Has a slightly wider wide angle lens
        Lowest price Is slightly more expensive
        Pentax Optio WG-1 GPS

        Pentax Optio WG-1 GPS

        Waterproof

        Weight Is slightly lighter
        Screen size Has a slightly smaller screen
        Screen resolution Has a slightly lower resolution screen
        Canon PowerShot D20

        Canon PowerShot D20

        Waterproof

        $229 - $320

        High-speed framerate Records high-speed movies
        Image stabilization Has better image stabilization
        Weight Is slightly heavier
        Size Is slightly larger

        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
        Panasonic Lumix DMC-TS3

        Panasonic Lumix DMC-TS3

        Waterproof

        $372

        3D Takes 3D photos
        Aperture Wider aperture
        Screen resolution Much lower resolution screen
        Screen size Smaller screen
        Fujifilm FinePix XP60

        Fujifilm FinePix XP60

        Waterproof

        $146 - $180

        3D Takes 3D photos
        Movie format Higher resolution movies
        Screen resolution Much lower resolution screen
        Macro focus Much worse macro capability
        Olympus TG-610

        Olympus TG-610

        Waterproof

        $379

        Continuous shooting Shoots faster
        Weight Lighter
        GPS No built-in GPS
        Lowest price More expensive

        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

        $265

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

        GoPro HD Hero 2

        Waterproof

        $527

        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
        Ricoh WG-4

        Ricoh WG-4

        Waterproof

        Aperture Much wider aperture
        HDR Has in-camera HDR
        Panorama Lacks in-camera panoramic stitching
        GPS No built-in GPS
        Canon Rebel T3i

        Canon Rebel T3i

        Entry-level DSLR

        $499 - $550 body only

        $549 - $575 with 18-55mm lens

        Sensor size Much larger sensor
        Autofocus Faster autofocus
        Size Much larger
        Weight Much heavier

        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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