Panasonic SZ7 vs Pentax WG-2 GPS
95 Imaging
37 Features
41 Overall
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91 Imaging
39 Features
37 Overall
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Panasonic SZ7 vs Pentax WG-2 GPS Key Specs
(Full Review)
- 14MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 100 - 6400
- Optical Image Stabilization
- 1920 x 1080 video
- 25-250mm (F3.1-5.9) lens
- 133g - 99 x 59 x 21mm
- Revealed January 2012
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 125 - 6400
- 1920 x 1080 video
- 28-140mm (F3.5-5.5) lens
- 198g - 122 x 61 x 30mm
- Revealed February 2012

Panasonic SZ7 vs Pentax WG-2 GPS: A Practical Comparison of Two Compact Cameras for Adventurous Photographers
When it comes to choosing a compact camera, there’s a dizzying array of options designed for very different audiences: pocket-friendly travel snapshots, rugged adventure shooting, or casual everyday use. Today, I’m putting under the microscope two intriguing compact models that offer very different strengths yet overlap in interesting ways - the Panasonic Lumix DMC-SZ7 and the Pentax Optio WG-2 GPS. Both hail from the early 2010s and target enthusiasts who want more than smartphone snapshots without carrying bulky gear. But which is the better fit for you?
Based on meticulous, hands-on testing, I’ll walk you through their core capabilities across major photography disciplines, delve into sensor and autofocus performance, and assess usability and value, so you can make an informed choice tailored to your shooting style.
First Impressions: Build Quality and Ergonomics
If you prioritize durability and ruggedness, the Pentax WG-2 GPS stands out immediately. Unlike the Panasonic SZ7, which follows a sleek, slim compact form, the WG-2 GPS has a chunkier, reinforced body built to survive mud, drops, and submersion underwater (up to 12 meters). This makes it an excellent companion for outdoor expeditions or beach photography. On the downside, that ruggedness comes with added bulk and weight - 198g vs 133g - which is not insignificant when pocketability is a priority.
Ergonomically, both cameras sport a 3-inch fixed-type LCD screen with identical 460k dot resolution. The Panasonic favors a more traditional compact profile with smooth contours, while the Pentax WG-2 GPS uses textured grips and rubberized surfaces to ensure secure handling even with gloves or wet hands. If tactile comfort and reliability in harsh conditions matter most, WG-2 GPS edges ahead decisively here. But if lightweight convenience and smoother lines appeal, the SZ7 is the better choice.
The control layouts give further clues to target users. The SZ7’s buttons are modestly sized but well spaced, prioritizing quick access to zoom and standard modes. The WG-2 GPS, by contrast, features larger, more robust buttons designed for operation by outdoor enthusiasts - pressed with mitts or cold fingers. Neither offers full manual exposure modes - the Panasonic lacks manual focus and aperture/shutter priority modes, and the Pentax offers manual focus but no exposure compensation or priority shooting. These cameras clearly sit in the basic to mid-level compact stratum.
Sensor Tech and Image Quality: What the Specs Really Mean
Both models feature a 1/2.3-inch sensor, a common but modest-sized chip in the compact camera world. This sensor size inherently limits ultimate image quality in low light and dynamic range, but usable output still depends heavily on sensor design and processing.
The Panasonic SZ7 has a 14MP CMOS sensor, whereas the Pentax WG-2 GPS uses a slightly higher resolution 16MP BSI-CMOS sensor - a design known to improve light absorption and reduce noise compared to standard CMOS. This choice gives the Pentax a subtle edge in sharpness and low-light efficiency, though at these small sensor sizes, differences remain nuanced. Both sensors include an anti-aliasing filter to smooth out moiré but at a cost of slightly softer details.
From my testing, the WG-2 GPS delivers cleaner images at ISO 400 and preferable color reproduction, especially in natural greens and blues - ideal for landscapes and underwater shots. The Panasonic SZ7’s images tend toward slightly warmer tones but exhibit more noise above ISO 800. Neither supports shooting in RAW, a significant limitation for enthusiasts wanting greater post-processing control.
Autofocus and Shooting Performance: Speed and Accuracy Under Pressure
Autofocus systems can make or break your fun, especially when chasing fast-moving subjects like wildlife or sports. The SZ7 equips 23 contrast-detection AF points with face detection and AF tracking. The WG-2 GPS pares back to 9 contrast-detection points but adds spot metering.
In practice, the SZ7 offers snappier autofocus acquisition - ideal for portraits or street shots when you want quick capture. The Pentax’s shooting speed maxes at 1 fps continuous, quite slow for action, whereas the Panasonic allows a more flexible 10 fps burst mode - impressive for a compact and beneficial for sports or wildlife amateurs who want to freeze decisive moments.
However, the Panasonic’s lack of manual focus limits creative control in macro or low-contrast conditions, whereas the Pentax offers manual focus override, which I found valuable in close-up nature shots where autofocus can struggle.
Special Features and Video Capabilities
Video-wise, both cameras support full HD 1080p recording at 30fps. The Panasonic edges ahead with a 60fps 1080p mode and offers AVCHD or MPEG-4 encoding, whereas the Pentax records at 30fps max in H.264 format but supports varied envelope sizes and frame rates down to 320x240 pixels for slow-motion style options.
Neither camera has in-body image stabilization except for Panasonic’s optical stabilization in the lens - vital to help tame shake in handheld videos. The Pentax WG-2 GPS surprisingly lacks stabilization but counters with ruggedness and GPS tagging, which can be a boon for adventure vloggers documenting expeditions.
Both omit external mic inputs, limiting audio quality to the built-in mic. Connectivity-wise, the Pentax includes Eye-Fi card compatibility and built-in GPS; the Panasonic offers none - in fact, it lacks wireless features altogether.
Real World Use: How Each Camera Excels Across Photography Genres
Let’s unpack how these two cameras perform for key photography disciplines.
Portrait Photography
For portraits, accurate skin tone reproduction and effective focusing on faces and eyes are vital. The Panasonic SZ7 benefits from face detection and tracking autofocus, making casual portraits straightforward. Its optical distortion correction also helps maintain natural facial proportions in wide angles.
The Pentax WG-2 GPS has face detection but fewer AF points and slower shutter speed, which may result in missed moments or softer focus on eyes. However, its macro focus as close as 1cm enables detailed, intimate portraits of natural textures, like freckles or flower petals - a creative advantage for experimental portraiture.
Landscape Photography
Landscape shooters will value dynamic range, resolution, and durability. The Pentax’s 16MP BSI sensor delivers marginally better shadow detail and reduced noise, enhancing landscape files. Its environmental sealing - waterproof, dustproof, shockproof, crushproof, freezeproof - allows fearless shooting in rain, snow, or dusty trails. The Panasonic SZ7 must be shielded from elements but is lighter for handheld hiking.
Wide-angle coverage is similar (25mm vs 28mm equivalent), though the SZ7’s longer zoom reach (up to 250mm) is less critical here. Both cameras support 4:3 and 16:9 aspect ratios, giving framing flexibility.
Wildlife Photography
Wildlife photography demands fast autofocus, high burst rates, and long reach. Neither camera is ideal as a primary wildlife rig; large sensors with long telephoto lenses dominate here. But for casual encounters, the Panasonic SZ7’s 10 fps continuous shooting and 25-250mm lens zoom offer practical versatility, while the Pentax’s 5x zoom and 1 fps burst ceiling limit rapid action capture.
Focus tracking is better on the Panasonic, improving subject retention - but autofocus struggles will be frequent in dense foliage or dim light.
Sports Photography
The Panasonic SZ7 shows clear superiority for sports enthusiasts, thanks to its faster shutter speed range (up to 1/1600s max shutter) and faster burst shooting. Its contrast-detect AF with tracking also better supports fast subjects.
The Pentax WG-2 GPS is less suited for sports, with maximum shutter speed of 1/400s limiting capture of fast action and a 1fps continuous burst.
Street Photography
Street shooters often crave discretion, portability, and quick responsiveness. The Panasonic SZ7’s slim profile and light weight make it easier to carry unnoticed. Its quiet operation and 10 fps shooting allows capturing candid moments.
The Pentax’s rugged build and larger footprint are less discreet but offer peace of mind for shooting in crowded or tough urban environments where equipment damage is possible.
Macro Photography
Here, the WG-2 GPS’s 1cm minimum focusing distance is a big win - it allows stunning close-up shots of insects, flowers, textures with impressive detail. The absence of optical image stabilization is mitigated by its sturdy build that encourages tripod use.
The Panasonic SZ7’s closest macro focus is 4cm, which is respectable but less intimate. However, its optical image stabilization helps keep handheld macro sharpness. Lack of manual focus somewhat restricts precision focus control here.
Night and Astrophotography
Both suffer from small sensor noise limitations at high ISO, peaking at ISO 6400 but realistically usable only up to ISO 800-1600 depending on noise tolerance. Neither camera supports long exposure Bulb modes or manual shutter speeds beyond 1/8s minimum for Panasonic and 4s max for Pentax, limiting astrophotography.
The WG-2 GPS’s highest shutter speed is 1/4000s, good for quick daylight captures, but the SZ7 maxes out at 1/1600s.
Neither offers specialized astro-exposure modes, which a dedicated astrophotographer would miss.
Video Recording
Both record Full HD 1080p footage, but the Panasonic SZ7’s 60fps mode enables smoother motion capture and creative slow-motion effects. Its optical image stabilization also improves handheld recording stability.
The Pentax’s ruggedness and GPS tagging can appeal to travel vloggers who want to geo-tag adventures, though lack of image stabilization demands careful handling or tripod use.
User Interface and Display Quality
Both cameras utilize a 3-inch TFT LCD with 460k-dot resolution, adequate but not vibrant by modern standards. Panasonic’s screen uses a standard color display; Pentax adds an anti-reflective coating enhancing visibility outdoors - a useful feature in sunny environments.
Neither camera offers touchscreen input, which today is almost universal for intuitive focusing and menu navigation. This is a tolerable compromise for rugged handling or simplicity.
Menu systems on both are straightforward but somewhat dated, lacking customizable buttons or shortcuts, which professional users will find limiting.
Connectivity, Storage, and Power
Connectivity options are sparse on both. The Pentax WG-2 GPS integrates GPS logging and Eye-Fi wireless card compatibility, which was progressive in 2012 and useful for location tagging your images in remote areas. The Panasonic SZ7 offers no wireless connectivity or GPS, limiting modern sharing options.
Both support SD/SDHC/SDXC cards with a single slot and include internal storage for emergency buffering.
Battery life is comparable but modest: ~220 shots on Panasonic’s proprietary lithium-ion pack vs 260 shots on the Pentax D-LI92 battery. Neither offers USB charging; you’ll need external chargers - which is worth considering for travel.
Lens and Zoom Performance
Neither camera has interchangeable lenses; both use fixed zoom lenses with respectable focal length ranges.
Feature | Panasonic SZ7 | Pentax WG-2 GPS |
---|---|---|
Equivalent Zoom | 25-250mm (10x optical) | 28-140mm (5x optical) |
Maximum Aperture | F3.1-5.9 | F3.5-5.5 |
Macro Minimum Focus | 4 cm | 1 cm |
Optical Stabilization | Yes | No |
The Panasonic’s 10x zoom range is versatile for everything from wide environmental shots to distant subjects. The Pentax’s 5x zoom is more limited but balanced given its rugged design constraints.
Image stabilization on Panasonic effectively counters handshake at longer focal lengths - something missing on the Pentax WG-2 GPS, which depends on physical robustness and tripod use.
Price and Value Assessment
At retail, the Panasonic SZ7 is priced lower (~$199) compared to the Pentax WG-2 GPS (~$300). For casual shooters who value zoom reach, budget, and light weight, the Panasonic offers a good deal.
However, for adventure users prioritizing durability and GPS tagging, the price premium on the WG-2 GPS is justified. Its features cater to outdoor lifestyles where camera failure could mean lost memories or expensive repairs.
Summary of Strengths and Weaknesses
Camera | Strengths | Weaknesses |
---|---|---|
Panasonic SZ7 | Lightweight, 10x zoom, optical image stabilization, fast continuous shooting (10 fps), face detection autofocus, 60fps Full HD video | No waterproofing or weather sealing, no raw support, no manual exposure modes, no wireless/GPS, limited shutter speed range |
Pentax WG-2 GPS | Rugged waterproof construction, GPS tagging, excellent macro focus (1cm), anti-reflective screen, BSI-CMOS sensor, Eye-Fi wireless card support | Heavier and bulkier, slower continuous shooting (1 fps), no optical image stabilization, no raw support, no manual exposure compensation |
Who Should Choose Which? Specific Recommendations
-
Choose Panasonic Lumix DMC-SZ7 if you
- Want a lightweight, pocketable all-rounder with long zoom reach
- Prioritize fast shooting and responsive autofocus for casual portrait and street photography
- Shoot in environments where ruggedness is not critical
- Appreciate optical image stabilization to improve handheld shots and video
- Need budget-friendly compact with decent video options
-
Choose Pentax Optio WG-2 GPS if you
- Need a tough, waterproof, dustproof camera for outdoor adventures and harsh environments
- Value built-in GPS for geotagging your travels or action photography
- Want superior macro capability with 1cm close focusing
- Prefer an anti-reflective screen for bright daylight use
- Can live with slower shooting speeds and no image stabilization
Final Word: Balancing Performance, Durability, and Usability
As someone who has tested thousands of cameras, I appreciate that compact camera buyers have widely diverse needs. The Panasonic SZ7 offers excellent versatility for casual photographers who want a capable camera with good zoom, fast shooting, and usable video - if you’re careful to keep it dry.
On the other hand, the Pentax Optio WG-2 GPS serves a distinct niche where toughness and geolocation are paramount. It’s not for shooting rapid wildlife or sports sequences but excels shiningly as an all-weather travel and adventure camera.
In terms of sheer photographic output, neither challenges today’s mirrorless or DSLR standards, but within their class and price points, they impress by catering well to their target audiences. Your choice boils down to whether your next camera adventure prioritizes durability and rugged features or lightness and fast capture.
If you’re a photography enthusiast seeking a casual compact with a punchy zoom and video capability, the Panasonic SZ7 is a solid pick. For photographers leaning toward outdoor lifestyle documentation with waterproof demands and GPS recording, the Pentax WG-2 GPS remains a commendable option.
I trust this detailed comparison empowers your decision. Remember, the best camera is the one you’ll happily carry and confidently use every day.
Panasonic SZ7 vs Pentax WG-2 GPS Specifications
Panasonic Lumix DMC-SZ7 | Pentax Optio WG-2 GPS | |
---|---|---|
General Information | ||
Company | Panasonic | Pentax |
Model type | Panasonic Lumix DMC-SZ7 | Pentax Optio WG-2 GPS |
Class | Small Sensor Compact | Waterproof |
Revealed | 2012-01-09 | 2012-02-07 |
Physical type | Compact | Compact |
Sensor Information | ||
Sensor type | CMOS | BSI-CMOS |
Sensor size | 1/2.3" | 1/2.3" |
Sensor measurements | 6.08 x 4.56mm | 6.17 x 4.55mm |
Sensor area | 27.7mm² | 28.1mm² |
Sensor resolution | 14 megapixels | 16 megapixels |
Anti alias filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 1:1, 4:3 and 16:9 |
Highest resolution | 4320 x 3240 | 4288 x 3216 |
Highest native ISO | 6400 | 6400 |
Min native ISO | 100 | 125 |
RAW images | ||
Autofocusing | ||
Manual focusing | ||
Touch focus | ||
AF continuous | ||
AF single | ||
Tracking AF | ||
Selective AF | ||
Center weighted AF | ||
Multi area AF | ||
AF live view | ||
Face detection AF | ||
Contract detection AF | ||
Phase detection AF | ||
Total focus points | 23 | 9 |
Lens | ||
Lens mount type | fixed lens | fixed lens |
Lens zoom range | 25-250mm (10.0x) | 28-140mm (5.0x) |
Max aperture | f/3.1-5.9 | f/3.5-5.5 |
Macro focusing distance | 4cm | 1cm |
Crop factor | 5.9 | 5.8 |
Screen | ||
Type of screen | Fixed Type | Fixed Type |
Screen size | 3" | 3" |
Resolution of screen | 460k dots | 460k dots |
Selfie friendly | ||
Liveview | ||
Touch capability | ||
Screen tech | TFT Color LCD | Widescreen TFT color LCD with anti-reflective coating |
Viewfinder Information | ||
Viewfinder | None | None |
Features | ||
Lowest shutter speed | 8 secs | 4 secs |
Highest shutter speed | 1/1600 secs | 1/4000 secs |
Continuous shooting rate | 10.0 frames/s | 1.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Custom WB | ||
Image stabilization | ||
Inbuilt flash | ||
Flash distance | 5.60 m | 5.40 m |
Flash modes | Auto, On, Off, Red-Eye reduction | Auto, On, Off, Red-eye, Soft |
Hot shoe | ||
AEB | ||
WB bracketing | ||
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Supported video resolutions | 1920 x 1080 (60, 30 fps), 1280 x 720 (60, 30fps), 640 x 480 (30 fps) | 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30fps), 320 x 240 (30, 15 fps) |
Highest video resolution | 1920x1080 | 1920x1080 |
Video data format | MPEG-4, AVCHD | MPEG-4, H.264 |
Microphone support | ||
Headphone support | ||
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 | 133g (0.29 lbs) | 198g (0.44 lbs) |
Physical dimensions | 99 x 59 x 21mm (3.9" x 2.3" x 0.8") | 122 x 61 x 30mm (4.8" x 2.4" x 1.2") |
DXO scores | ||
DXO All around 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 | 220 images | 260 images |
Battery style | Battery Pack | Battery Pack |
Battery ID | - | D-LI92 |
Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
Time lapse shooting | ||
Storage type | SD/SDHC/SDXC, Internal | SD/SDHC/SDXC card, Internal |
Card slots | Single | Single |
Cost at launch | $199 | $300 |