Olympus TG-830 iHS vs Sony A33
91 Imaging
39 Features
40 Overall
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67 Imaging
54 Features
80 Overall
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Olympus TG-830 iHS vs Sony A33 Key Specs
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 100 - 6400
- Sensor-shift Image Stabilization
- 1920 x 1080 video
- 28-140mm (F3.9-5.9) lens
- 214g - 109 x 67 x 28mm
- Introduced January 2013
(Full Review)
- 14MP - APS-C Sensor
- 3" Fully Articulated Screen
- ISO 100 - 12800 (Expand to 25600)
- Sensor based Image Stabilization
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 500g - 124 x 92 x 85mm
- Announced August 2010
- Replacement is Sony A35

Olympus TG-830 iHS vs Sony A33: An Expert’s Lens on Two Distinct Worlds of Photography
In the diverse camera landscape, few comparisons are as instructive as pitting a rugged, adventure-ready compact like the Olympus TG-830 iHS against a more traditional, entry-level DSLR-style mirrorless camera such as the Sony A33. On the surface, these cameras cater to very different user profiles, yet both have earned loyal followings thanks to their unique strengths. Having extensively tested both models in controlled environments and on the wild trails, I’m excited to share a deep dive that unpacks their hardware, performance, and suitability across genres - from portraits to wildlife, and urban exploration to astrophotography.
Let’s start by laying out the fundamentals, then layer on the real-world implications you care about.
Size, Ergonomics, and Build Quality: Compact Durability Versus Traditional Handling
The Olympus TG-830 iHS emerges physically small and solid, engineered to shrug off nature’s whims. Measuring just 109 x 67 x 28mm and weighing a sleek 214 grams, it’s tailor-made for adventure photographers who want to travel light without sacrificing sturdiness. It proudly wears waterproof (up to several meters), shockproof, freezeproof, crushproof, and dustproof badges - a hallmark of Olympus’ Tough series. This means it withstands tremors, drops, water submersion, and most outdoor calamities with nary a flinch.
On the flip side, the Sony A33 feels decidedly larger and heftier at 124 x 92 x 85mm and about 500 grams. It wears its slr-style body with a confident grip, offering a more substantial handhold especially useful for longer shoots or heavier lenses. However, this heft comes with a tradeoff in portability and weather resistance - the A33 lacks any formal sealing. If you’re shooting in precarious environments, you’ll want some discipline protecting your gear.
The TG-830’s minimalistic approach means fewer tactile controls and a less pronounced grip, but it’s designed to be intuitive under load (literally). Contrastingly, the A33 features a more traditional top plate layout with several dials and buttons designed for quick manual parameter adjustments - ideal for those who enjoy creative control on the fly.
Layout and Interface: Navigating Controls for Efficiency in the Field
Turning our attention to the top view reveals clear differences in user interface philosophy.
The Olympus TG-830 iHS favors simplicity: a fixed 3-inch screen and minimal buttons. It lacks manual exposure modes like aperture or shutter priority - primarily an automatic point-and-shoot device. This is great for quick snaps but limiting for users wanting deliberate creative influence. Onboard stabilization and flash controls are integrated but basic.
Sony’s A33 boasts a 3-inch fully articulated screen at a much higher resolution (921k vs. 460k dots), enhancing live view usability from tricky angles - macro, wildlife hides, or awkward street shots. The presence of dedicated dials for shutter speed, aperture, and exposure compensation empowers photographers with granular control. Its electronic viewfinder with 1150k pixel coverage offers a bright, detailed shooting experience rare in cameras of this tier.
Sensor and Image Quality: Small Sensor Versus APS-C - The Heart of the Matter
In any meaningful technical comparison, the sensor is king. Let’s see how these two stack up.
The Olympus TG-830 iHS uses a 1/2.3-inch CMOS sensor (6.17 x 4.55mm) with 16 megapixels of resolution. This smaller sensor is a standard in point-and-shoot cameras, prioritizing compactness over ultimate image quality. Expect good daylight results, but challenges emerge as bright range narrows, noise rises in low light, and detail extraction from shadows gets soft.
Conversely, the Sony A33 packs a much larger APS-C sensor (23.5 x 15.6mm) with 14 megapixels. This sensor size is a hallmark of enthusiast cameras, enabling superior dynamic range, richer colors, and cleaner high ISO performance. When shooting landscapes with high contrast or portraits in mixed lighting, the A33’s sensor can hold more detail and produce more natural gradations in skin tones and shadows.
Composite DxOMark-type scoring reflects this too: The Sony A33 scores an overall 70 in image quality metrics, with strong color depth (22.8 bits), dynamic range (12.6 EV), and impressive low light ISO equivalency (~590), whereas the Olympus TG-830 has not been formally tested but is well-understood to lag on these fronts due to sensor size constraints.
Handling Portraits: Bokeh, Skin Tones, and Eye Detection
Portrait photography demands subtlety - nuanced skin rendition, flattering background separation, and precise focus on the eyes.
The Olympus TG-830’s fixed lens (28-140mm equivalent, f/3.9-5.9) is sharp enough for casual portraits but limited by its relatively slow aperture and small sensor for pronounced bokeh. Its face detection autofocus assists in nailing focus under straightforward conditions, but without eye detection or animal eye AF, the focus can occasionally wander. Skin tones render a little on the cooler, less nuanced side, typical of compact cameras with simpler image processors.
The Sony A33, with 15 focus points including 3 cross-type and sophisticated phase detection AF, provides far more reliable subject tracking and selective focus control. While it lacks dedicated eye-detection autofocus seen in newer models, its contrast and phase detection combo remain accurate. Pairing it with a fast prime lens unlocks beautiful shallow depth of field with creamy bokeh and natural skin tones. This makes the A33 a much better tool for expressive, professional-quality portraits.
Landscapes and Outdoor Adventure: Dynamic Range and Durability Under Pressure
Landscape photography benefits significantly from high-resolution sensors and broad dynamic range to capture rich detail from shadowed foliage to bright skies.
The Sony A33’s APS-C sensor’s dynamic range advantage lets you recover highlights and shadows more effectively in post-processing. Combined with selectable manual exposure modes and RAW support, the camera caters to photographers who relish creative control. However, the A33 lacks environmental sealing, which means caution is required in wet and dusty conditions.
The Olympus TG-830 iHS shines outdoors through its rugged construction and built-in GPS tagging, perfect for marking precise locations on your travels. Its 5x optical zoom covers moderate wide-angle to telephoto needs (28-140mm equivalent), though the variable aperture limits depth control. While the sensor and lens are not landscape-specific champions, the camera’s straightforward approach and weatherproof body make it a faithful companion in tough terrain at a low risk of damage.
Wildlife and Sports: Speed, Autofocus, and Burst Capabilities
For action and wildlife, autofocus speed and frame rates are paramount factors.
The Sony A33’s impressive 7 fps continuous shooting burst and its hybrid autofocus system (phase detection on 15 points) allow it to track moving subjects with reasonable success - though limited compared to modern mirrorless bodies, it was solid for its time and price. This placed it well for amateur wildlife and sports shooters who demand better capture chances.
The Olympus TG-830, designed for rugged portability but with limited controls, does not list continuous shooting speeds, suggesting it is not optimized for fast burst capture. Its autofocus system relies on contrast detection and has fewer focus points with less selective control, making it less reliable for tracking erratic wildlife or fast-moving sports scenarios.
Street and Travel Photography: Discretion and Versatility
Travel photography evaluates a camera on versatility, battery life, portability, and ease-of-use across various conditions.
The Olympus TG-830 dominates in portability and robustness. Its waterproofing and shockproof features make it ideal for active street or travel shooters unconcerned with manual exposure settings or extensive customization. The simple fixed screen and lack of an EVF or articulated display is a reasonable sacrifice for a camera that can accompany you anywhere without worry. Battery life around 300 shots per charge is respectable for a compact.
Sony’s A33 gives the photographer more creative freedom with manual exposure modes, a brighter EVF, and articulated screen, facilitating shooting from awkward angles in street environments. However, its larger size and lack of weather sealing make it less suited for unpredictable or rough travel conditions. Battery performance is slightly better at 340 shots per charge, but its bulk weighs on discreetness - something a street shooter values.
Macro and Close-up Photography: Precision Focusing and Magnification
Macro photography challenges the camera’s minimum focus distance, manual focus precision, and stabilization capabilities.
The Olympus TG-830 offers an impressive 1cm macro focusing capability - typical in compact cameras - with built-in sensor-shift image stabilization mitigating shake during close-ups. While the lens is slower, the combination produces sharp results for casual macro enthusiasts and travelers wishing to photograph flora or small subjects on the go.
The Sony A33 lacks a dedicated macro feature but benefits from interchangeable lenses, including a range of macro optics capable of 1:1 magnification. Its articulated screen aids composition in tight spots, and fast, responsive autofocus facilitates manual focusing fine-tuning - a crucial advantage in macro work. Paired with a macro lens, the A33 delivers definitive edge-to-edge sharpness unmatched by most compacts.
Night and Astrophotography: High ISO Performance and Exposure Control
Shooting in low-light or astrophotography scenarios places demands on sensor quality, ISO performance, noise control, and exposure flexibility.
The Sony A33 steps up with a maximum native ISO of 12,800 (expandable to 25,600), allowing for usable images in dim environments. Its larger sensor translates to less noise and higher dynamic range at these settings, paired with manual controls for long exposure durations. Long shutter speeds up to 30 seconds and full manual mode coverage enable astrophotographers to capture stars and nightscapes with confident precision.
Olympus’s small sensor, with maximum ISO 6400 but generally noisier output at higher sensitivities, limits prolonged low-light use. No manual exposure modes restrict creative long exposure work. However, its ruggedness and ease of use could still appeal to casual night shooters wanting convenient outdoor snaps.
Video Capabilities: Resolution, Stabilization, and Audio Inputs
Both cameras can record Full HD video, but their feature sets tell very different stories.
The Olympus TG-830 outputs 1080p at 60fps, providing smooth video for casual use. However, it lacks microphone and headphone jacks, limiting audio control. Its sensor-shift stabilization helps reduce handheld shake moderately.
Sony’s A33 records 1080p at 60 fps as well in AVCHD and MPEG-4 formats, supporting more professional codecs. Crucially, it features a microphone port - allowing external mics - though no headphone monitoring. Its sensor-based stabilization further enhances handheld footage. The articulated screen affords framing flexibility.
Overall, the A33 has a better edge for amateur filmmakers wanting manual exposure and audio control.
Workflow and Professional Use: File Formats, Connectivity, and Lens Ecosystem
Sony’s A33 appeals more directly to serious photographers integrating into established workflows. Its support for RAW file format enables high-fidelity editing, critical for professional post-production. Olympus TG-830, unfortunately, shoots only JPEG with no RAW support, reducing latitude for corrections.
Sony’s SLT mount unlocks over 140 compatible lenses, ranging from consumer zooms to pro-level primes and macro lenses - essential for photography specialization and growth. Olympus’s fixed lens, while convenient, offers no lens upgrade path.
Connectivity-wise, Sony offers Eye-Fi wireless card support, easing file transfer though lacking modern Wi-Fi or Bluetooth. Olympus TG-830 has no wireless connectivity, but includes built-in GPS to geotag images - a nice touch for travel documentation.
Pricing and Value: Budgeting Your Priorities
Typically, the Olympus TG-830 targets budget-conscious casual users seeking a tough, waterproof camera for outdoor and travel use. It often retails lower than the Sony A33, which fits entry-level enthusiast or semi-pro workflows that demand more creative latitude and higher image quality.
Sample Images and Overall Performance Ratings
A picture is worth a thousand words. Comparing sample galleries from these cameras highlights the practical output differences.
The Sony images display richer colors, better dynamic range, and crisper detail - particularly evident in foliage and skin tones. Olympus images suffice for social or casual use and excel in underwater or harsh environments.
Here’s a snapshot of their overall test ratings based on hands-on evaluation across technical and practical benchmarks:
Sony A33 leads hands down in image quality and feature flexibility. Olympus TG-830 scores well on ruggedness and ease of use.
Genre-Specific Performance: Which Camera Excels Where?
To distill a nuanced recommendation, I compiled their scores across major photographic categories:
- Portraits: Sony A33 wins on bokeh, skin tone, and AF precision.
- Landscape: A33 excels in sensor quality; Olympus offers durability benefit.
- Wildlife/Sports: A33’s AF and burst speed dominate.
- Street/Travel: Olympus’s compact toughness beats large size, but A33’s control appeals to serious users.
- Macro: A33’s lens ecosystem and focus control trump fixed-lens Olympus.
- Night/Astro: A33’s higher ISO capacity and manual controls are decisive.
- Video: A33 supports manual exposure and mic input; Olympus is simpler.
- Professional: A33 supports RAW, broad lenses, and advanced controls; Olympus is more consumer-oriented.
My Verdict: Matching Cameras To Photographers
If you’re a weekend warrior craving a no-fuss camera that survives accidental drops into rivers, capturing memorable adventure shots with automatic ease and built-in GPS, the Olympus TG-830 iHS is a sturdy and affordable companion. Its waterproof body and tough construction make it a unique asset for outdoorsy types or travelers prioritizing durability over absolute image fidelity or control.
On the other hand, if you’re a budding enthusiast or professional stepping up your photography game, requiring manual exposure controls, interchangeable lenses, superior image quality, and flexible video features all in a compact-ish form factor, the Sony A33 remains a compelling option, despite its age. It strikes a balanced middle ground between full DSLRs and consumer compacts and supports a wide range of photographic styles and post-processing workflows.
Final Thoughts
Both cameras reflect their heritage superbly: Olympus TG-830 iHS as an indestructible adventure snapshot tool, and Sony’s A33 as a versatile system camera bridging beginner and enthusiast territory. Your choice hinges on prioritizing rugged simplicity versus creative control and quality.
In sum, the Olympus TG-830 is a good dog when the trail gets rough; the Sony A33 is a loyal workhorse in the studio or slow-paced outdoor shoot. If you’re after technical excellence and flexibility, lean toward Sony. If convenience, toughness, and field reliability matter most, Olympus deserves serious consideration.
Happy shooting, wherever your photographic journey takes you.
This review is based on firsthand testing under varied conditions, combining detailed laboratory assessments with in-the-field usage, to offer you an authoritative and trustworthy evaluation balanced for enthusiasts and professionals alike.
Olympus TG-830 iHS vs Sony A33 Specifications
Olympus TG-830 iHS | Sony SLT-A33 | |
---|---|---|
General Information | ||
Make | Olympus | Sony |
Model | Olympus TG-830 iHS | Sony SLT-A33 |
Category | Waterproof | Entry-Level DSLR |
Introduced | 2013-01-08 | 2010-08-24 |
Physical type | Compact | Compact SLR |
Sensor Information | ||
Processor Chip | - | Bionz |
Sensor type | CMOS | CMOS |
Sensor size | 1/2.3" | APS-C |
Sensor dimensions | 6.17 x 4.55mm | 23.5 x 15.6mm |
Sensor area | 28.1mm² | 366.6mm² |
Sensor resolution | 16MP | 14MP |
Anti aliasing filter | ||
Aspect ratio | 4:3 and 16:9 | 3:2 and 16:9 |
Maximum resolution | 4608 x 3456 | 4592 x 3056 |
Maximum native ISO | 6400 | 12800 |
Maximum boosted ISO | - | 25600 |
Minimum native ISO | 100 | 100 |
RAW pictures | ||
Autofocusing | ||
Manual focus | ||
Touch focus | ||
Autofocus continuous | ||
Single autofocus | ||
Autofocus tracking | ||
Selective autofocus | ||
Center weighted autofocus | ||
Multi area autofocus | ||
Autofocus live view | ||
Face detect autofocus | ||
Contract detect autofocus | ||
Phase detect autofocus | ||
Number of focus points | - | 15 |
Cross focus points | - | 3 |
Lens | ||
Lens mount | fixed lens | Sony/Minolta Alpha |
Lens focal range | 28-140mm (5.0x) | - |
Maximum aperture | f/3.9-5.9 | - |
Macro focus range | 1cm | - |
Total lenses | - | 143 |
Crop factor | 5.8 | 1.5 |
Screen | ||
Type of display | Fixed Type | Fully Articulated |
Display size | 3" | 3" |
Resolution of display | 460k dots | 921k dots |
Selfie friendly | ||
Liveview | ||
Touch functionality | ||
Viewfinder Information | ||
Viewfinder | None | Electronic |
Viewfinder resolution | - | 1,150k dots |
Viewfinder coverage | - | 100 percent |
Viewfinder magnification | - | 0.73x |
Features | ||
Lowest shutter speed | 4 seconds | 30 seconds |
Highest shutter speed | 1/2000 seconds | 1/4000 seconds |
Continuous shooting rate | - | 7.0fps |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | - | Yes |
Custom white balance | ||
Image stabilization | ||
Inbuilt flash | ||
Flash range | - | 10.00 m (@ ISO 100) |
Flash modes | Auto, On, Off, Red-Eye, Fill-in | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
External flash | ||
Auto exposure bracketing | ||
WB bracketing | ||
Highest flash synchronize | - | 1/160 seconds |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Supported video resolutions | 1920 x 1080 (60 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) | 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
Maximum video resolution | 1920x1080 | 1920x1080 |
Video data format | H.264 | MPEG-4, AVCHD, H.264 |
Mic 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 | BuiltIn | None |
Physical | ||
Environment sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 214g (0.47 pounds) | 500g (1.10 pounds) |
Dimensions | 109 x 67 x 28mm (4.3" x 2.6" x 1.1") | 124 x 92 x 85mm (4.9" x 3.6" x 3.3") |
DXO scores | ||
DXO All around score | not tested | 70 |
DXO Color Depth score | not tested | 22.8 |
DXO Dynamic range score | not tested | 12.6 |
DXO Low light score | not tested | 591 |
Other | ||
Battery life | 300 shots | 340 shots |
Battery type | Battery Pack | Battery Pack |
Battery model | LI-50B | NP-FW50 |
Self timer | Yes (2 or 12 sec, pet auto shutter) | Yes (2 or 10 sec) |
Time lapse feature | ||
Storage type | SD/SDHC/SDXC | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
Card slots | Single | Single |
Retail price | $0 | $230 |