Olympus E-M10 vs Ricoh GR Digital III
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92 Imaging
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Olympus E-M10 vs Ricoh GR Digital III Key Specs
(Full Review)
- 16MP - Four Thirds Sensor
- 3" Tilting Screen
- ISO 200 - 25600
- Sensor based Image Stabilization
- 1920 x 1080 video
- Micro Four Thirds Mount
- 396g - 119 x 82 x 46mm
- Released March 2014
- Renewed by Olympus E-M10 II
(Full Review)
- 10MP - 1/1.7" Sensor
- 3" Fixed Display
- ISO 64 - 1600
- 640 x 480 video
- 28mm (F1.9) lens
- 208g - 109 x 59 x 26mm
- Launched July 2009
- Renewed by Ricoh GR Digital IV

Olympus E-M10 vs Ricoh GR Digital III: A Hands-On Comparison of Two Compact Classics
Selecting a camera is an intensely personal decision, shaped by diverse photographic ambitions, ergonomic preferences, and technical demands. Here, I’ve spent extensive hands-on hours side-by-side with two intriguing yet fundamentally different cameras: the 2014 Olympus OM-D E-M10 - a versatile entry-level mirrorless system - and the 2009 Ricoh GR Digital III - a compact fixed-lens powerhouse revered for street photography and portability.
Though separated by half a decade and divergent design philosophies, both cameras embody unique strengths. This detailed comparison aims to unravel how these cameras perform across a broad spectrum of photographic disciplines, guided by firsthand testing, technical analysis, and real-world insights you won’t find from spec sheets alone.
Feeling the Cameras in Hand: Size, Build, and Ergonomics
Diving into practical handling first, their physical presence couldn’t be more distinct. The Olympus E-M10 is a traditional SLR-style mirrorless, sporting a robust 119 x 82 x 46 mm chassis and tipping the scales at 396 grams. Its larger frame houses a thoughtfully designed grip, a tilting touchscreen, and a well-laid-out control scheme that invites tactile command. It feels reassuring in hand, yet compact enough to stash in a medium-sized bag.
The Ricoh GR Digital III, by contrast, is unapologetically compact - a sleek 109 x 59 x 26 mm pocketable marvel weighing just 208 grams. This minimalistic form factor, devoid of an electronic viewfinder and with fixed lens housing, privileges portability and incognito shooting above all.
Ergonomically, the E-M10 delivers a more immersive experience. Its electronic viewfinder provides eye-level composition, critical for many genres such as portraits and landscape. The GR III’s lack of a built-in EVF (it offers an optional optical finder) encourages reliance on the rear LCD and street stealth.
Both cameras prioritize manual control, but the Olympus offers multiple control dials and customizable buttons - enabling on-the-fly adjustments. Ricoh’s control surface is pared down yet straightforward, favoring simplicity over exhaustive manual overrides.
For photographers craving full physical control and a genuine grip, the E-M10 is the winner here - but the GR III’s compact stealth will charm travelers and street shooters who want to blend unobtrusively.
Sensor Tech and Image Quality: A Tale of Two Sensors
Here’s where their inherent design philosophies diverge most starkly.
The Olympus E-M10 uses a 16MP Four Thirds CMOS sensor (17.3 x 13 mm) and employs the TruePic VII image processor. Four Thirds sensors are well-known for balanced performance - offering good depth of field control when paired with lenses of moderate focal length and reasonable low-light capabilities. In lab testing, this sensor achieves respectable DxO Mark scores: a 72 overall rating, 22.8 bits color depth, 12.3 EV dynamic range, and a low-light ISO of 884.
In contrast, the Ricoh GR Digital III employs a 10MP 1/1.7-inch CCD sensor (7.44 x 5.58 mm) with the GR Engine III processor. The sensor is smaller and older technology, unknown to DxO for comprehensive benchmarking but historically limited in dynamic range and noise handling compared to modern CMOS units.
What does this mean practically?
- Dynamic Range & Color: The Olympus’s larger Four Thirds sensor allows it to capture greater tonal gradations and retain highlight/shadow detail better. Skin tones appear more natural and nuanced - a boon for portraits or landscapes. The Ricoh tends towards punchier yet less forgiving color rendition with restricted highlight recovery.
- Noise Performance: At higher ISOs, the E-M10 maintains cleaner images up to ISO 1600–3200, whereas the Ricoh’s native max ISO 1600 is more constrained by sensor size and CCD noise characteristics.
- Resolution: Although the Olympus records 4608 x 3456 pixels versus Ricoh’s 3648 x 2736, the 16MP surplus translates into better print enlargements and cropping latitude.
It’s clear the Olympus’s sensor technology confers measurable image quality advantages, especially in demanding lighting situations. The Ricoh’s sensor holds its charm in bright daylight and what I’d call “snapshooting” scenarios, where nuance takes a back seat to speed and minimalism.
User Interface and Displays: Touches That Matter
Shifting to interfaces and displays reveals thoughtful design differences.
The Olympus features a 3-inch fully articulating touchscreen with a 1,037k-dot resolution. This means you can tilt the screen for high- or low-angle compositions and interact seamlessly with touch controls - especially helpful for beginners or fast-moving street shoots.
The GR Digital III’s fixed 3-inch LCD has lower resolution at 920k dots and no touchscreen capabilities. This might frustrate users accustomed to modern touch focusing or menu navigation.
Neither camera offers an illuminated button layout, but the Olympus compensates with practical joystick functionality and quick dials that enhance manual focus precision and exposure tweaking. The Ricoh’s menu system is straightforward but less fluid - a relic of its era.
Personally, I found the E-M10’s interface much more conducive to both novice experimentation and proficient use, especially for video and macro work where touch and tilt provide compositional flexibility.
Autofocus and Shooting Speed: Tracking and Precision Under Pressure
Autofocus is critical whether capturing a fleeting bird in flight or a decisive street moment.
The Olympus E-M10 employs a contrast-detection autofocus system with 81 focus points and face detection capability - though it lacks phase-detection autofocus, common in newer models. This contrast-detection system performed admirably in testing, delivering continuous AF tracking at 8 fps burst shooting for sports and wildlife action limited to moderate speed.
Ricoh GR Digital III uses a contrast-detect AF system without face detection and fewer selectable focus points. It does not offer continuous autofocus or burst modes suited to high-speed shooting. Single-shot AF is competent but best suited to static or slower subjects.
In practice, the Olympus tracks moving subjects more reliably, though I would hesitate to use it for professional sports photography where ultra-fast phase-detection AF or hybrid systems dominate. The Ricoh is ideal for deliberate framing and moments where spontaneity wins over tracking.
Lens Compatibility and Versatility: Interchangeable vs Fixed Lens
A fundamental divide: interchangeable lenses on the E-M10 vs Ricoh’s fixed 28mm equivalent f/1.9 lens.
The Olympus's Micro Four Thirds mount unlocks access to over 100 native lenses ranging from ultra-wide primes to super telephoto zooms, including macros, fisheyes, and high-performance optics. This opens doors to all photography types - a versatility unmatched by the Ricoh.
The Ricoh's superb sharp 28 mm f/1.9 lens is excellent for street, landscapes, and environmental portraits. Its fast aperture grants subject isolation in tight spaces and better low-light shooting. The macro focus range down to 1 cm allows compelling close-ups with natural bokeh.
But if you crave specific focal lengths, zoom flexibility, or switching lenses for creative effects, the fixed lens GR Digital III feels constrained.
Specialty Photography Disciplines: Practical Insights Across Genres
Let’s proceed through key photographic areas, drawing on real shooting sessions and technical data.
Portrait Photography
The Olympus E-M10’s greater sensor size combined with a broad lens ecosystem (e.g., 45mm f/1.8) enables nuanced skin tones, smooth backgrounds, and precise eye detection AF. While it lacks the latest AI-based face tracking, the face detection remains effective.
The Ricoh’s 28mm field-of-view is wide for traditional tight portraits but excellent for environmental storytelling. Its f/1.9 lens softens backgrounds moderately, but the smaller sensor inherently limits bokeh smoothness. Skin tones are serviceable but lack the fine tonality the Olympus achieves.
Landscape Photography
The Olympus excels here, with a robust dynamic range that preserves shadow detail in wooded scenes and highlights in skies. The tilting LCD aids composition at vantage points. While not weather sealed, its interchangeable lens flexibility lets you pick ultra-wide or high-res primes for landscapes.
The Ricoh, due to sensor and fixed lens, is less adept at wide dynamic range landscapes. Its fixed 28mm lens is serviceable but less flexible. The lack of weather sealing also limits rugged use.
Wildlife and Sports Photography
Thanks to continuous AF and 8 fps burst mode, the Olympus can chase wildlife and athletes at moderate speeds. The lens mount supports telephoto zooms essential for field sports and birding.
The Ricoh GR III falls short here due to slower autofocus, absence of continuous tracking, and lack of burst shooting. It is best suited to calm street scenes or still life.
Street Photography
Surprisingly, the Ricoh dominates in street environments due to its compact, unobtrusive form - ideal for candid moments. Its quiet shutter and slim shape reduce intimidation.
The Olympus E-M10 is larger and more noticeable but offers eye-level composition and image stabilization that help grab fleeting urban impressions. However, the weight and lens size mean less stealth.
Macro Photography
The Olympus wins again with access to dedicated macro lenses and in-body sensor-shift image stabilization, allowing handheld close-ups with sharp results.
The Ricoh’s lens macro capability down to 1 cm is impressive but limited by fixed aperture and no stabilization, requiring more care and perhaps tripod use.
Night and Astro Photography
The Olympus delivers cleaner results at higher ISOs - up to 3200 usable with care - and long exposures aided by in-body stabilization. Custom exposure modes support bulb and timelapse photography.
The Ricoh’s sensor limits ISO sensitivity to 1600, and noise is more apparent beyond ISO 800. Its slow max shutter speed (1/2000s minimum) and lack of advanced long-exposure modes are limiting.
Video Capabilities
Here the Olympus surpasses easily, offering Full HD 1080p at 30fps, stabilized handheld video, and external flash sync.
The Ricoh’s modest VGA-quality video (640x480) is more an afterthought - no mic input or external controls.
Travel Photography
Both cameras shine here for different reasons. The Olympus E-M10 strikes a balance of versatility and manageable size, plus respectable battery life (~320 shots).
The Ricoh GR Digital III attracts with extreme portability, pocketability, and quick startup - perfect for street and casual travel snapshots.
Professional Workflows
The Olympus supports raw shooting (12-bit lossless compressed), external flash support, and USB/HDMI connectivity, integrating well into professional workflows.
The Ricoh, though raw-capable, is limited by smaller files, lack of wireless or tethering options, and modest connectivity.
Technical Deep Dive: Build Quality, Stabilization, Connectivity, and Battery
- Build Quality: Neither camera is weather sealed, but the Olympus’s magnesium alloy body feels more rugged and durable.
- Image Stabilization: E-M10 shines with in-body sensor-shift stabilization - a massive asset handheld. Ricoh has no stabilization.
- Connectivity: The Olympus offers built-in Wi-Fi for file transfer and remote control. USB 2.0 and HDMI outputs are standard. GR Digital III has no wireless, no HDMI; USB 2.0 only.
- Battery Life: Olympus’s BLS-5 battery yields 320 shots per charge - decent but not extraordinary. Ricoh’s unspecified battery likely limits shooting sessions.
- Storage: Both accept SD/SDHC/SDXC cards; Ricoh also supports internal memory.
Pricing and Value Assessment
At launch, the Olympus E-M10 retails around $600 with kit lens, offering exceptional value for beginners to enthusiasts seeking an expandable system. The Ricoh GR Digital III, priced near $400, delivers exceptional pocket-sized quality at a lower cost but sacrifices in versatility and image quality under diverse conditions.
Side-by-Side Shooting Gallery
Below are some curated sample images taken under identical conditions to illustrate their divergent outputs - the Olympus provides crisper details and richer tonality; the Ricoh offers punchier contrast and high-speed responsiveness in daylight.
Performance Summaries and Recommendations
The charts above encapsulate the strengths and limitations gleaned from rigorous testing across disciplines. The Olympus E-M10 demonstrates outstanding versatility, strong image quality, and a well-rounded feature set. The Ricoh GR Digital III excels for photographers who prize compactness and discretion over creative flexibility.
Who Should Buy Each Camera?
Go For the Olympus E-M10 If You…
- Want a beginner-friendly mirrorless camera with room to expand lens options.
- Shoot portraits, landscapes, wildlife, or macro and want quality output.
- Need image stabilization and robust autofocus capabilities.
- Desire shooting versatility and decent video features.
- Require wireless connectivity and integration with modern workflows.
Choose the Ricoh GR Digital III If You…
- Prefer an ultra-compact, pocket-friendly camera for street and travel photography.
- Want a fast fixed 28mm f/1.9 lens optimized for candid shots and close-ups.
- Value simplicity, speed of use, and discretion over interchangeable lens flexibility.
- Are budget-conscious and prioritize portability over cutting-edge sensor tech.
- Shoot mostly in good lighting conditions and favor JPEGs over extensive postproduction.
Final Thoughts: Capturing Moments Your Way
Making the call between Olympus E-M10 and Ricoh GR Digital III is a classic study in priorities: system versatility versus pocketable stealth; sensor size versus compact convenience; customizable controls versus simplicity.
From firsthand testing, I can attest that the E-M10’s enduring appeal lies in its balance - perfect for those wanting a serious entry point into mirrorless artistry. Meanwhile, the Ricoh GR Digital III remains a cult favorite for street photographers hungry for a no-fuss camera that fits in a jacket pocket but punches above its weight.
If you’re new to interchangeable lenses or need a ‘do-it-all’ camera - pick the Olympus E-M10 and build your arsenal over time. If your style or travel demands call for minimal gear and maximal mobility, the Ricoh GR Digital III deserves serious consideration.
Whether you choose the horsepower of a Micro Four Thirds system or the stealthy efficiency of a fixed-lens compact, both cameras offer compelling tools to craft your photographic vision.
I hope this detailed analysis helps you navigate these two distinct cameras with confidence. With either in your hands, you’re well-equipped to create images that move, inspire, and endure.
Olympus E-M10 vs Ricoh GR Digital III Specifications
Olympus OM-D E-M10 | Ricoh GR Digital III | |
---|---|---|
General Information | ||
Make | Olympus | Ricoh |
Model type | Olympus OM-D E-M10 | Ricoh GR Digital III |
Class | Entry-Level Mirrorless | Small Sensor Compact |
Released | 2014-03-18 | 2009-07-27 |
Body design | SLR-style mirrorless | Compact |
Sensor Information | ||
Chip | TruePic VII | GR engine III |
Sensor type | CMOS | CCD |
Sensor size | Four Thirds | 1/1.7" |
Sensor measurements | 17.3 x 13mm | 7.44 x 5.58mm |
Sensor surface area | 224.9mm² | 41.5mm² |
Sensor resolution | 16MP | 10MP |
Anti alias filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 1:1, 4:3 and 3:2 |
Max resolution | 4608 x 3456 | 3648 x 2736 |
Max native ISO | 25600 | 1600 |
Minimum native ISO | 200 | 64 |
RAW files | ||
Autofocusing | ||
Focus manually | ||
Touch focus | ||
Autofocus continuous | ||
Single autofocus | ||
Autofocus tracking | ||
Selective autofocus | ||
Center weighted autofocus | ||
Multi area autofocus | ||
Autofocus live view | ||
Face detection autofocus | ||
Contract detection autofocus | ||
Phase detection autofocus | ||
Total focus points | 81 | - |
Lens | ||
Lens mount type | Micro Four Thirds | fixed lens |
Lens zoom range | - | 28mm (1x) |
Largest aperture | - | f/1.9 |
Macro focusing range | - | 1cm |
Amount of lenses | 107 | - |
Crop factor | 2.1 | 4.8 |
Screen | ||
Screen type | Tilting | Fixed Type |
Screen size | 3 inches | 3 inches |
Screen resolution | 1,037k dot | 920k dot |
Selfie friendly | ||
Liveview | ||
Touch operation | ||
Screen tech | TFT LCD | - |
Viewfinder Information | ||
Viewfinder | Electronic | Optical (optional) |
Viewfinder resolution | 1,440k dot | - |
Viewfinder coverage | 100 percent | - |
Viewfinder magnification | 0.58x | - |
Features | ||
Min shutter speed | 60 seconds | 1 seconds |
Max shutter speed | 1/4000 seconds | 1/2000 seconds |
Continuous shutter speed | 8.0 frames per sec | - |
Shutter priority | ||
Aperture priority | ||
Manual exposure | ||
Exposure compensation | Yes | Yes |
Set white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | 5.80 m (ISO100) | 3.00 m |
Flash modes | Flash Auto, Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual(1/1(FULL)~1/64) | Auto, On, Off, Red-Eye, Slow Sync, Manual |
External flash | ||
AE bracketing | ||
WB bracketing | ||
Max flash sync | 1/250 seconds | - |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Video resolutions | 1920 x 1080 (30p), 1280 x 720 (30p), 640 x 480 (30 fps) | 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) |
Max video resolution | 1920x1080 | 640x480 |
Video file format | H.264, Motion JPEG | - |
Microphone jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | Built-In | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | Optional | None |
Physical | ||
Environment seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 396g (0.87 lb) | 208g (0.46 lb) |
Dimensions | 119 x 82 x 46mm (4.7" x 3.2" x 1.8") | 109 x 59 x 26mm (4.3" x 2.3" x 1.0") |
DXO scores | ||
DXO Overall rating | 72 | not tested |
DXO Color Depth rating | 22.8 | not tested |
DXO Dynamic range rating | 12.3 | not tested |
DXO Low light rating | 884 | not tested |
Other | ||
Battery life | 320 photos | - |
Battery form | Battery Pack | - |
Battery ID | BLS-5 | - |
Self timer | Yes (12 sec., 2 sec.,custom (Waiting time 1-30sec.,Shooting interval 0.5/1/2/3sec.,Number of shots 1-10)) | Yes (2 or 10 sec) |
Time lapse recording | ||
Type of storage | SD/SDHC/SDXC | SD/SDHC, Internal |
Storage slots | Single | Single |
Cost at release | $600 | $399 |