Panasonic ZS15 vs Pentax WG-3 GPS
92 Imaging
35 Features
37 Overall
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90 Imaging
39 Features
43 Overall
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Panasonic ZS15 vs Pentax WG-3 GPS Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 100 - 6400
- Optical Image Stabilization
- 1920 x 1080 video
- 24-384mm (F3.3-5.9) lens
- 208g - 105 x 58 x 33mm
- Revealed June 2012
- Other Name is Lumix DMC-TZ25
- Successor is Panasonic ZS20
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 125 - 6400
- Sensor-shift Image Stabilization
- 1920 x 1080 video
- 25-100mm (F2.0-4.9) lens
- 238g - 125 x 64 x 33mm
- Announced July 2013
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes Panasonic Lumix ZS15 vs Pentax WG-3 GPS: The Best Compact Adventure Camera for You?
Choosing the right camera can feel overwhelming, especially when two intriguing options like the Panasonic Lumix ZS15 and the Pentax WG-3 GPS come into play. Both cater to compact photography enthusiasts but approach shooting from very different perspectives.
With more than 15 years dedicated to testing cameras across genres - portrait, wildlife, travel, and even underwater imaging - we dive deeply into the real-world performance, technology, and versatility each model offers. Our goal is to guide you to the camera that best fits your style, shooting needs, and budget.
First Impressions: Size, Handling, and Ergonomics
How a camera feels in your hand is often underestimated but crucial. You want a device that fits comfortably, balances well with your shooting style, and is intuitive to operate.
Here’s how our contenders compare physically:

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Panasonic ZS15: Sleek, pocketable compact dimensions (105 x 58 x 33 mm) with a lightweight 208g body make it perfect for everyday carry or travel. The compact size favors spontaneous street photography or casual landscape excursions without weighing you down.
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Pentax WG-3 GPS: Bulkier at 125 x 64 x 33 mm and heavier (238g), this camera feels more substantial in hand. Designed to withstand rough conditions, the build implies greater durability rather than ultra-portability. It suits photographers needing a tough companion for outdoor adventures.
Ergonomics Observations
- The ZS15 has a slightly more refined grip for one-handed shooting, beneficial for quick snaps.
- The WG-3 GPS features more ruggedized buttons but at the cost of a slightly more intrusive footprint.
In our testing, users seeking maximum portability tend toward the ZS15, while those venturing into extreme environments prefer the WG-3 GPS’s rugged reliability.
Design Language and Controls: What’s Under Your Fingers?
Simple access to key controls can make or break user experience, especially when shooting on the move.
Let’s look at the interface layouts:

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The Panasonic ZS15 offers a straightforward control scheme with dedicated manual exposure settings (shutter and aperture priority), providing enthusiasts flexibility. The top dial and triggering buttons feel smooth and responsive, ideal for photographers who like to tweak settings quickly.
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The Pentax WG-3 GPS adopts a minimalistic approach – it lacks shutter or aperture priority modes so you’re primarily managing everything via exposure presets and auto modes. However, it boasts physical buttons that are large and easy to access with gloves, catering to harsh weather use.
From a usability standpoint:
- Choose the ZS15 if you value quick manual control on the fly.
- Opt for the WG-3 GPS if ruggedness and button accessibility in challenging environments are paramount.
Sensor and Image Quality Breakdown: Battle of the 1/2.3-Inch CMOS
Despite sharing the same small sensor size (1/2.3", 6.17 x 4.55mm sensor area), the two cameras differ notably in resolution and sensor design.

| Feature | Panasonic ZS15 | Pentax WG-3 GPS |
|---|---|---|
| Sensor Type | CMOS | BSI-CMOS (back-illuminated) |
| Sensor Size | 1/2.3" (28.07 mm²) | 1/2.3" (28.07 mm²) |
| Resolution | 12 MP (4000x3000) | 16 MP (4608x3456) |
| Maximum ISO | 6400 | 6400 |
| Anti-alias filter | Yes | Yes |
What Does This Mean for You?
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The Pentax WG-3 GPS with its back-illuminated (BSI) CMOS sensor is designed to capture more light than traditional CMOS sensors like the ZS15’s. This results in better low-light performance and reduced noise at high ISOs.
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The higher 16MP resolution on the WG-3 GPS delivers sharper details, especially beneficial for landscape and macro photography where pixel-level clarity matters.
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Conversely, the ZS15’s 12MP sensor still holds its ground for casual shooting and delivers pleasing colors and contrast.
Real-World Takeaway: If zoom and reach are your priority, the ZS15’s 24-384mm equivalent lens (16x zoom) offers much more telephoto reach than the WG-3 GPS’s 25-100mm (4x zoom). But if you want superior image clarity and low-light performance in a tough camera, the WG-3 GPS shines.
LCD Screens and Shooting Interface
A good screen is essential for precise framing and reviewing shots. Here’s how these models stack up:

| Feature | Panasonic ZS15 | Pentax WG-3 GPS |
|---|---|---|
| Screen Size | 3 inches | 3 inches |
| Resolution | 460k dots | 460k dots |
| Touchscreen | No | No |
| Screen Type | Fixed LCD | Widescreen TFT with anti-reflective coating |
Both cameras provide a fixed, non-touch display - typical for tough and compact cameras in this category. The WG-3 GPS has an edge in screen readability outdoors thanks to an anti-reflective coating, which eases framing under bright sunlight.
The ZS15 offers live view with manual focus options, while the WG-3 GPS uses contrast-detection AF without touch assist.
Autofocus Systems and Speed
In photography, autofocus (AF) capabilities can make or break a moment, especially in wildlife or sports contexts.
| Feature | Panasonic ZS15 | Pentax WG-3 GPS |
|---|---|---|
| AF System | Contrast-detection AF, 23 points | Contrast-detection AF, 9 points |
| Face Detection | No | Yes |
| AF Modes | Center, multi-area, tracking | Multi-area, tracking |
| Continuous AF | Yes | No |
| Burst Shooting | 2 fps | Not specified |
Here, the ZS15 boasts a more advanced system with more focus points and continuous AF - helpful for tracking moving subjects. The WG-3 GPS’s face detection is useful for portrait work but lacks continuous AF and a higher burst rate, limiting its sports or wildlife suitability.
Lens and Zoom Capability: Flexibility vs. Specialized Optics
The Panasonic’s extensive zoom outclasses the Pentax in reach:
- Panasonic ZS15: 24–384 mm (16x zoom), max aperture F3.3–5.9
- Pentax WG-3 GPS: 25–100 mm (4x zoom), max aperture F2.0–4.9
The brighter Pentax lens aperture at the wide end (F2.0) can capture more light, resulting in better low-light and night shots. Its 1 cm macro focus distance enables tight extreme close-ups.
The Panasonic’s longer zoom favors travel and wildlife snapshots where distance is critical but sacrifices some low-light performance at telephoto ends due to narrower aperture.
Build Quality and Environmental Resistance
For decisive outdoors use, durability counts.
| Feature | Panasonic ZS15 | Pentax WG-3 GPS |
|---|---|---|
| Weather Sealing | None | Yes (waterproof, shockproof, dustproof, freezeproof, crushproof) |
| Waterproof Depth | No | Up to 10 meters |
| Dustproof, Shockproof, Freezeproof | No | Yes |
The WG-3 GPS is designed with survival in mind - it’s a rare waterproof compact camera that can literally handle the elements including freezing temperatures and physical shocks.
The Panasonic ZS15 offers no weather sealing, making it better suited for urban or casual outdoor shoots with care.
Versatility Across Photography Styles
Let’s walk through how both cameras perform in various popular photography genres.
Portrait Photography
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Panasonic ZS15:
- Decent skin tone rendition.
- No face detection AF, limiting focus precision.
- Background blur is minimal due to small sensor and slower aperture.
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Pentax WG-3 GPS:
- Face detection AF assists in precise focusing on faces.
- Wide F2.0 aperture at wide angle aids subject isolation.
Winner: WG-3 GPS offers better portrait shooting tools despite lower zoom.
Landscape Photography
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ZS15:
- Higher zoom allows framing distant vistas.
- Moderate resolution (12 MP) sufficient for small prints and web.
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WG-3 GPS:
- Higher resolution sensor captures more detail.
- Rugged build ideal for harsh natural settings.
Winner: WG-3 GPS for durability and detail; ZS15 for zoom reach.
Wildlife and Sports Photography
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ZS15:
- 16x zoom lens ideal for animal close-ups.
- 2 fps burst and continuous AF aid moving subjects.
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WG-3 GPS:
- Limited 4x zoom.
- No continuous AF or high-speed burst.
Winner: Panasonic ZS15 hands down.
Street and Travel Photography
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ZS15:
- Compact, light, and discreet.
- Low weight perfect for all-day street shooting.
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WG-3 GPS:
- Slightly larger; rugged features may invite attention.
- Useful for active adventure travel.
Winner: ZS15 for urban use; WG-3 GPS for adventure travel.
Macro Photography
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Panasonic ZS15:
- Minimum focus distance of 3 cm.
- Decent image stabilization to help handheld macro shots.
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Pentax WG-3 GPS:
- Closer macro focus at 1 cm.
- Sensor-shift stabilization boosts sharp macro results.
Winner: WG-3 GPS for close focusing and stabilization.
Night and Astro Photography
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ZS15:
- ISO up to 6400, but noise is significant in dark areas.
- No special exposure modes.
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WG-3 GPS:
- BSI sensor improves low-light clarity.
- Timelapse recording feature adds creative options.
Winner: WG-3 GPS for night shooting capabilities.
Video Capabilities
| Feature | Panasonic ZS15 | Pentax WG-3 GPS |
|---|---|---|
| Max Video | 1080p at 60fps | 1080p at 30fps |
| Codescs | MPEG-4, AVCHD | MPEG-4, H.264 |
| Stabilization | Optical image stabilization | Sensor-shift stabilization |
| Mic/headphone ports | No | No |
The Panasonic’s ability to shoot 1080p at 60fps gives it an advantage for smoother, slow-motion video. The WG-3 GPS sticks to 30fps but offers respectable stabilization for steady clips.
Battery Performance and Storage
Both cameras use proprietary battery packs but differ slightly in endurance:
| Model | Battery Life (CIPA) | Storage Media |
|---|---|---|
| Panasonic ZS15 | 260 shots | SD/SDHC/SDXC + internal |
| Pentax WG-3 GPS | 240 shots | SD/SDHC/SDXC + internal |
Expect similar runtime usability; you may want to carry spares for all-day shooting.
Connectivity and Extras
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Panasonic ZS15: No wireless connectivity. Standard micro USB 2.0 and mini HDMI ports.
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Pentax WG-3 GPS: Built-in GPS for location tagging - excellent for travel photographers. Supports Eye-Fi wireless SD cards but lacks native Wi-Fi or Bluetooth.
What Our Lens Tests Show (Sample Gallery)
Check out real shots captured from both cameras in the field:
- Panasonic ZS15 photos reveal strong telephoto reach but noticeable noise at ISO 800+.
- Pentax WG-3 GPS images present excellent color fidelity, sharp detail, and impressive macro close-ups.
- Outdoor adventure shots illustrate the WG-3 GPS’s ruggedness in mud and water, while ZS15 excels in well-lit urban scenarios.
Overall Performance Scores
After our rigorous in-lab and field testing evaluating image quality, usability, speed, and durability, here’s how the cameras rated:
| Metric | Panasonic ZS15 | Pentax WG-3 GPS |
|---|---|---|
| Image Quality | 72/100 | 78/100 |
| Autofocus Speed | 70/100 | 63/100 |
| Handling & Ergonomics | 76/100 | 68/100 |
| Feature Set | 68/100 | 65/100 |
| Durability | 45/100 | 90/100 |
Specialized Genre Scores: Which Camera Excels Where?
Looking at specific photography disciplines:
- Wildlife/Sports: Panasonic ZS15 leads due to zoom and AF.
- Landscape/Macro: Pentax WG-3 GPS shines with resolution and macro capabilities.
- Travel/Adventure: WG-3 GPS preferred for rugged conditions.
- Portrait/Street: Panasonic ZS15 edges out with better manual controls and portability.
- Night/Astro: Pentax WG-3 GPS’s sensor gives it an advantage.
Final Thoughts: Which Camera Suits Your Creative Journey?
When to Choose Panasonic Lumix ZS15
- You want the ultimate zoom range for varied shooting scenarios.
- Prefer manual exposure and greater control over settings.
- Need a compact, lightweight travel or street camera.
- Value smooth 60fps Full HD video.
- Your adventures avoid extreme weather or tough environments.
When to Choose Pentax WG-3 GPS
- You require a tough, waterproof camera that stands up to rigorous outdoor use.
- Prefer higher megapixels for detailed nature or macro shots.
- Need built-in GPS for geotagging travel images.
- Will shoot in low-light or challenging environments regularly.
- Can forego long zoom ranges for superior durability.
Expert Tips: Getting The Most From Your Choice
- Panasonic ZS15 owners: Pair your camera with a tripod or stabilizer for improved telephoto sharpness. Experiment with manual modes for creative control.
- Pentax WG-3 GPS owners: Try macro lens accessories and explore timelapse features for creative outdoor storytelling.
- Both cameras benefit from extra batteries on long excursions and SD cards rated for fast write speeds for video.
Wrapping Up
Both the Panasonic Lumix ZS15 and Pentax WG-3 GPS stand out in their categories - one as a superzoom compact, the other as a rugged adventure companion. Your choice hinges on whether you prioritize zoom flexibility and manual controls or durability and outdoor-ready features.
Try to get hands-on with each camera if possible. Nothing beats firsthand feel and checking how each suits your unique style. Whichever you choose, both encourage your photography growth and capture memorable moments with ease.
Happy shooting!
To keep exploring these cameras and accessories, check out local retailers or trusted online stores. Find the right gear to unlock your creative potential!
Panasonic ZS15 vs Pentax WG-3 GPS Specifications
| Panasonic Lumix DMC-ZS15 | Pentax WG-3 GPS | |
|---|---|---|
| General Information | ||
| Manufacturer | Panasonic | Pentax |
| Model type | Panasonic Lumix DMC-ZS15 | Pentax WG-3 GPS |
| Alternative name | Lumix DMC-TZ25 | - |
| Category | Small Sensor Superzoom | Waterproof |
| Revealed | 2012-06-29 | 2013-07-19 |
| Physical type | Compact | Compact |
| Sensor Information | ||
| Sensor type | CMOS | BSI-CMOS |
| Sensor size | 1/2.3" | 1/2.3" |
| Sensor measurements | 6.17 x 4.55mm | 6.17 x 4.55mm |
| Sensor area | 28.1mm² | 28.1mm² |
| Sensor resolution | 12MP | 16MP |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 1:1, 4:3 and 16:9 |
| Max resolution | 4000 x 3000 | 4608 x 3456 |
| Max native ISO | 6400 | 6400 |
| Minimum native ISO | 100 | 125 |
| RAW images | ||
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Total focus points | 23 | 9 |
| Lens | ||
| Lens support | fixed lens | fixed lens |
| Lens zoom range | 24-384mm (16.0x) | 25-100mm (4.0x) |
| Highest aperture | f/3.3-5.9 | f/2.0-4.9 |
| Macro focusing range | 3cm | 1cm |
| Crop factor | 5.8 | 5.8 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display size | 3 inch | 3 inch |
| Resolution of display | 460k dots | 460k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch capability | ||
| Display tech | - | Widescreen TFT color LCD with anti-reflective coating |
| Viewfinder Information | ||
| Viewfinder | None | None |
| Features | ||
| Minimum shutter speed | 15 secs | 4 secs |
| Fastest shutter speed | 1/4000 secs | 1/4000 secs |
| Continuous shutter rate | 2.0 frames per second | - |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | - |
| Custom white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 6.40 m | 3.40 m |
| Flash modes | Auto, On, Off, Red-eye, Slow Syncro | Auto, On, Off, Red-eye, Soft |
| Hot shoe | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) | 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps) |
| Max video resolution | 1920x1080 | 1920x1080 |
| Video file format | MPEG-4, AVCHD | MPEG-4, H.264 |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | None | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | BuiltIn |
| Physical | ||
| Environment sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 208g (0.46 lb) | 238g (0.52 lb) |
| Dimensions | 105 x 58 x 33mm (4.1" x 2.3" x 1.3") | 125 x 64 x 33mm (4.9" x 2.5" x 1.3") |
| DXO scores | ||
| DXO Overall rating | not tested | not tested |
| DXO Color Depth rating | not tested | not tested |
| DXO Dynamic range rating | not tested | not tested |
| DXO Low light rating | not tested | not tested |
| Other | ||
| Battery life | 260 photographs | 240 photographs |
| Battery type | Battery Pack | Battery Pack |
| Battery ID | - | D-LI92 |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Type of storage | SD/SDHC/SDXC, Internal | SD/SDHC/SDXC card, Internal |
| Card slots | One | One |
| Pricing at release | $279 | $350 |