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 | 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 Digital, Sensor shift 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
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CMOS-family sensors often produce better quality images
Aperture Wider aperture f/3.5 vs f/3.9
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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
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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
        High-speed framerate No high speed movie support Help
        Not supported
        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

        competitors

        Shared Competitors

        Advantages

        Disadvantages

        GoPro HERO3 Black Edition

        GoPro HERO3 Black Edition

        Waterproof

        Aperture Has a slightly wider aperture
        Movie format Records higher quality movies
        GPS Doesn't have a built-in GPS
        Image stabilization Doesn't have image stabilization
        Nikon Coolpix AW100

        Nikon Coolpix AW100

        Waterproof

        $250 - $297

        High-speed framerate Records high-speed movies
        Image stabilization Has better image stabilization
        Aperture Has a slightly narrower aperture
        Olympus Stylus Tough TG-3

        Olympus Stylus Tough TG-3

        Waterproof

        $319

        Aperture Has a much wider aperture
        Wide angle Has a slightly wider wide angle lens
        Thickness Is thicker
        Weight Is slightly heavier
        Canon PowerShot D20

        Canon PowerShot D20

        Waterproof

        $200 - $300

        High-speed framerate Records high-speed movies
        Image stabilization Has better image stabilization
        Weight Is slightly heavier
        Size Is slightly larger
        Nikon Coolpix AW120

        Nikon Coolpix AW120

        Waterproof

        $297 - $543

        Aperture Has a slightly wider aperture
        Wide angle Has a slightly wider wide angle lens
        Olympus TG-630 iHS

        Olympus TG-630 iHS

        Waterproof

        Size Is slightly smaller
        Thickness Is thinner
        GPS Doesn't have a built-in GPS
        Aperture Has a slightly narrower aperture
        Olympus TG-1 iHS

        Olympus TG-1 iHS

        Waterproof

        $360

        Aperture Has a much wider aperture
        Wide angle Has a slightly wider wide angle lens

        Olympus Tough TG-810 Competitors

        Advantages

        Disadvantages

        Sony Cyber-shot DSC-TX30

        Sony Cyber-shot DSC-TX30

        Waterproof

        $198 - $214

        Screen type Has an OLED screen
        Size Significantly smaller
        GPS No built-in GPS
        Olympus TG-820 iHS

        Olympus TG-820

        Waterproof

        3D Takes 3D photos
        Movie format Higher resolution movies
        GPS No built-in GPS
        Olympus TG-610

        Olympus TG-610

        Waterproof

        $249

        Continuous shooting Shoots faster
        Weight Lighter
        GPS No built-in GPS
        Olympus Tough TG-830 iHS

        Olympus Tough TG-830 iHS

        Waterproof

        $309

        Movie format Higher resolution movies
        Sensor type Has a CMOS-family sensor
        Screen resolution Significantly lower resolution screen
        Size Larger
        Panasonic Lumix DMC-TS3

        Panasonic Lumix DMC-TS3

        Waterproof

        $470

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

        Pentax Optio WG-2 GPS Competitors

        Advantages

        Disadvantages

        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

        Aperture Much wider aperture
        HDR Has in-camera HDR
        Panorama Lacks in-camera panoramic stitching
        Size Larger
        Pentax WG-3

        Pentax WG-3

        Waterproof

        $269

        Aperture Much wider aperture
        HDR Has in-camera HDR
        Size Larger
        Weight Heavier
        Fujifilm FinePix XP70

        Fujifilm FinePix XP70

        Waterproof

        $145 - $240

        HDR Has in-camera HDR
        Size Smaller
        Macro focus Much worse macro capability
        Aperture Narrower aperture
        Canon Rebel T5i

        Canon Rebel T5i

        Entry-level DSLR

        $200 - $1,148 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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