Ricoh CX3 vs Sony A7S
92 Imaging
33 Features
35 Overall
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77 Imaging
59 Features
73 Overall
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Ricoh CX3 vs Sony A7S Key Specs
(Full Review)
- 10MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 80 - 3200
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 28-300mm (F3.5-5.6) lens
- 206g - 102 x 58 x 29mm
- Launched June 2010
(Full Review)
- 12MP - Full frame Sensor
- 3" Tilting Display
- ISO 100 - 409600
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 489g - 127 x 94 x 48mm
- Announced April 2014
- Updated by Sony A7S II

The Ricoh CX3 vs Sony A7S: A Tale of Two Cameras Worlds Apart - Which Suits You Best?
When it comes to choosing a camera, the gulf between ultra-compact superzooms and professional full-frame mirrorless cameras can seem downright abyssal. Yet, sometimes it’s worth a close look at what these very different tools bring to the table, especially when weighing your photography goals or budget. Today, I’ve spent serious hands-on time comparing the Ricoh CX3 - a 2010-era small sensor superzoom designed for casual shooters - against the 2014 Sony A7S, a groundbreaking professional full-frame mirrorless aimed at low-light and video performance.
They couldn’t be more different in specs, target users, and price - but which camera delivers value, versatility, and real-world performance for your photography needs? Buckle up, because I’m diving deep into everything from sensor technology, autofocus, to shooting disciplines like wildlife or astro photography. After personally testing thousands of cameras over 15 years, I’ll give you the nuanced lowdown no sales pitch can provide.
Size, Build & Handling: Pocket Rocket vs. Pro Tool
Let’s kick off with the physicality - after all, a camera’s size and ergonomics affect your shooting experience profoundly.
The Ricoh CX3 is a compact beast - measuring just 102 x 58 x 29 mm and weighing 206 grams. It slots easily into a jacket pocket or purse, making it an ultra-convenient travel companion. The fixed lens design further simplifies use - no messing with lens changes, perfect for snapshots and casual shooting.
On the other hand, the Sony A7S is a chunkier SLR-style mirrorless at 127 x 94 x 48 mm and 489 grams. This heft translates into a more substantial grip and better balance with large lenses - a critical factor in professional shooting. Its magnesium alloy body sports environmental sealing to withstand light rain and dusty conditions, a vital asset outdoors.
Controls reflect their intended use: The CX3 keeps things simple, with minimal buttons and no physical aperture or shutter priority modes. In contrast, the A7S sports a sophisticated layout with dedicated dials for shutter speed, exposure compensation, and customizable buttons - a joy for the seasoned shooter craving direct control.
Ergonomics takeaway: If portability and ease-of-use win your heart, Ricoh CX3 scores. For serious handling, robust buttons, and weather resistance, the Sony A7S leads unequivocally.
Sensor Technology: Small Sensor Snapshotter vs. Full-Frame Low-Light Beast
Let’s talk about what really makes or breaks image quality - the sensor.
The Ricoh CX3 rocks a 1/2.3-inch BSI-CMOS sensor measuring just 6.17 x 4.55 mm, delivering 10 megapixels. This sensor size is typical for compact superzooms but inherently limited in dynamic range, color fidelity, and noise performance. Its sensor area stands at a meek 28.07 mm².
The Sony A7S, however, crams a colossal full-frame sensor (35.8 x 23.9 mm) boasting 12 megapixels. That means 855.62 mm² - nearly 30 times larger surface area. The impact? Outstanding dynamic range (13.2 EV per DXOmark), exceptional low-light capabilities (native ISO up to 409600!), and superb color depth.
Scoreboard from DxOMark reinforces this huge quality gap. The A7S posts color depth of 23.9 bits vs unknown but considerably lower for the CX3, and a low-light ISO rating of 3702 - the CX3 lacks official testing, but in practice, it struggles badly beyond ISO 800.
In real-world shooting, the CX3’s small sensor struggles with noise in dim settings or shadows, plus the limited 10MP cap shows up when printing large or cropping. The A7S excels in night scenes, studio portraits, and landscape vistas rich in tonal gradations.
User Interface: Simplicity vs Professional Customization
Once you’ve fired up these cameras, how do their interfaces guide your creativity?
The Ricoh CX3 features a fixed 3-inch LCD with 920k-dot resolution - crisp enough for casual framing but lacking touch inputs or tilting. Live view autofocus is contrast-detection based and limited in speed.
The Sony A7S ups the ante with a tilting 3-inch 1230k-dot LCD, improving composition flexibility in awkward angles. Plus, a large 2.35M-dot electronic viewfinder offers 100% coverage and 0.71x magnification - game-changer for accuracy under bright light or action scenes.
Sony’s menu system is layered, but highly customizable after a learning curve. Ricoh’s capsule UI keeps things minimal, which is friendlier for beginners but frustrating for those wanting pro exposure modes or manual white balance tweaks beyond the basics.
Autofocus: Precision and Speed for Fast Action
Autofocus can make or break decisive moments, especially in fast-paced genres.
The Ricoh CX3 relies on contrast-detection AF, focusing with a single AF point or multizone, but no face or eye detection. Unlike modern systems, it lacks continuous or tracking AF - so subjects in motion might easily evade focus.
Conversely, Sony’s A7S packs 25 contrast detection points and sophisticated subject tracking with face and eye-detection autofocus - critical for portraiture and sports. Continuous AF at 5 FPS burst ensures sharp frames through sequences.
In wildlife or street photography, the A7S’s quick, reliable AF locks on confidently - whereas the CX3 demands patience for steady or still subjects, limiting action shots.
Lens Ecosystem and Flexibility: Fixed Zoom vs Expandable System
The CX3’s built-in 28-300 mm equivalent zoom lens (F3.5-5.6) is versatile for broad scenarios from wide landscapes to portrait length, even packing a close 1cm macro mode. However, the small sensor and aperture limits depth-of-field control and background blur.
The Sony A7S, with its Sony E-mount, opens access to an impressive library of over 120 native lenses from ultra-wide primes to super-telephoto zooms. Its full-frame sensor maximizes the creative potential for blurry backgrounds, sharp details, and specialized optics like tilt-shift or macro.
For serious photographers wanting to fine-tune their gear for different assignments, the A7S is a dream. The CX3 is “grab and go” - a capable snapshot machine but by no means a creative lens playground.
Shooting Across Genres: How These Cameras Perform When the Rubber Meets the Road
Photography is a varied beast - I’ve broken down how these cameras hold up across major genres.
Portrait Photography
Rendering natural skin tones, sharp eyes, and creamy bokeh requires large sensors, accurate autofocus, and control over aperture.
- Ricoh CX3: Fixed lens hampers bokeh, F3.5-5.6 aperture modest. No eye-detection AF. Skin colors fair in good light but tend to flatten in low light or with flash. Macro close focus helps with creative details.
- Sony A7S: Wide aperture lenses and face/eye AF excel. The full-frame sensor yields flattering skin tones and superb background separation at wide apertures.
Landscape Photography
Key factors: dynamic range, resolution, weather sealing.
- CX3’s limited dynamic range and 10MP resolution constrain image editing latitude and print sizes. No weather sealing limits rugged outdoor use.
- A7S shines with excellent dynamic range for RAW editing, high resolution, and sealed body that handles mist, rain, and dust.
Wildlife & Sports Photography
Speed, tracking, long reach, and lighting count here.
- CX3’s limited AF speed, lack of continuous AF, and slow burst rate make action capture tough.
- A7S offers 5 FPS, tracking AF, and access to pro telephoto lenses - better suited for fast-moving subjects even in challenging light.
Street Photography
Discretion and portability matter alongside decent low-light ability.
- CX3’s tiny footprint wins here, with silent operation and quick zoom ideal for candid shots. However, poor low-light noise limits night street scenes.
- A7S is heavier and more noticeable, but exceptional ISO performance and silent shutter add strengths in urban night environments.
Macro Photography
Precision focusing and stabilization key for close-ups.
- CX3 boasts 1cm macro focusing and sensor-shift stabilization - a rare combo for compact cameras.
- A7S relies on external macro lenses and handheld technique but higher resolution leaves room for cropping.
Night & Astrophotography
Ultra-high ISO and low noise dominate.
- CX3 falters at ISO 800+ with grainy output.
- A7S built around low-light mastery with ISO up to 409600, superb noise control, and long exposures. Perfect for star fields and nightscapes.
Video Capabilities
- CX3 maxes out at 720p HD video in Motion JPEG format - dated and limited, without external mic or stabilization options.
- A7S delivers 4K UHD video, multiple frame rates, and AVCHD/XAVC codecs plus microphone and headphone jacks for pro quality-level sound monitoring.
Travel Photography
Size, versatility, battery life, and durability count most.
- CX3’s ultra-compact design and versatile zoom lens make it a perfect travel buddy where weight and pocketability are paramount.
- A7S’s versatility, image quality, and ruggedness favor serious travel shooters willing to carry more gear.
Battery Life and Storage: Staying Powered and Secure
The CX3 uses a compact DB-100 rechargeable battery (no CIPA rating available), adequate for a day of casual shooting. Storage relies on a single SD/SDHC card slot with internal memory backup.
The A7S employs Sony’s NP-FW50 battery, rated for about 360 shots per charge - moderate for a full-frame but manageable with spares. Storage options are broader, supporting SDXC and Sony’s Memory Stick formats.
Connectivity: Modern Convenience or Missing Links?
CX3 disappoints here with no wireless or GPS features, USB 2.0 data transfer only, and no HDMI output.
In contrast, the A7S comes with built-in Wi-Fi and NFC for remote control and image sharing, plus HDMI output for external monitors - a boon for videographers and tethered shooting workflows.
Real-World Image Samples: Seeing is Believing
Image quality comparison tells the final story.
Here you can see how the Sony A7S images retain detail in shadows and highlights, produce superior color rendition, and maintain noise-free gradients at high ISO. The CX3 produces usable snaps for everyday memory keeping but lacks the refinement and flexibility of the A7S.
Overall Performance Scores: Quantifying Strengths and Weaknesses
Based on laboratory tests and hands-on shooting evaluations:
The Sony A7S commands a total score well into pro territory, thanks to its low-light prowess, image quality, and video specs. The Ricoh CX3 is modest but respectable in its intended compact superzoom niche.
Genre-Specific Scores: Which Camera Excels Where?
Breaking down by photographic specialty:
- Portrait, landscape, sports, night, and video categories tilt overwhelmingly toward the A7S.
- Street and casual macro offer more even results, where CX3’s portability is an asset.
Price vs Performance: Getting the Best Bang for Your Buck?
At launch, the CX3 retailed around $329, positioning it as an affordable point-and-shoot with superzoom features for beginners and casual hobbyists. Today, it remains a budget-friendly option, although far behind current compacts.
Meanwhile, the A7S commanded roughly $2000 at launch - a serious investment justified by its pro-level sensor, features, and build. For a photographer prioritizing low light, video, or professional output, this price is a bargain compared to competing full-frame systems.
Final Thoughts: Who Should Pick Which?
If you want a pocket-sized, travel-friendly camera to capture family memories, everyday snapshots, and handy macro shots without fuss - and you’re not particular about low light or image perfection - the Ricoh CX3 remains a reasonable compact camera.
But if you’re a thoughtful enthusiast or professional craving exquisite image quality, astounding low-light capability, robust autofocus, and 4K video, the Sony A7S earns every penny despite its bulk, price, and learning curve.
Summary Recommendations
Use Case | Recommended Camera |
---|---|
Casual travel & snapshots | Ricoh CX3 |
Outdoor landscapes & portraits | Sony A7S |
Wildlife & sports | Sony A7S |
Street (discreet & portable) | Ricoh CX3 (daylight), Sony A7S (low light) |
Macro close-ups | Ricoh CX3 (easy macro), Sony A7S (with lens) |
Night & Astro | Sony A7S |
Video & professional work | Sony A7S |
Photography tech isn’t a one-size-fits-all, and these two models couldn’t embody that disparity more starkly. But understanding what you truly need - portability or pro performance, simplicity or control - unlocks the right choice.
After spending hours live testing and comparing these cameras in a variety of real conditions, I stand by the conclusion: the Ricoh CX3 is a charming, straightforward superzoom for casual shooters, while the Sony A7S sets a high bar for professionals and low-light lovers.
Whichever you pick, remember that the best camera is the one inspiring you to shoot more creatively, regardless of megapixels or price tags.
Happy shooting!
Ricoh CX3 vs Sony A7S Specifications
Ricoh CX3 | Sony Alpha A7S | |
---|---|---|
General Information | ||
Brand | Ricoh | Sony |
Model | Ricoh CX3 | Sony Alpha A7S |
Category | Small Sensor Superzoom | Pro Mirrorless |
Launched | 2010-06-16 | 2014-04-06 |
Body design | Compact | SLR-style mirrorless |
Sensor Information | ||
Processor Chip | Smooth Imaging Engine IV | Bionz X |
Sensor type | BSI-CMOS | CMOS |
Sensor size | 1/2.3" | Full frame |
Sensor measurements | 6.17 x 4.55mm | 35.8 x 23.9mm |
Sensor surface area | 28.1mm² | 855.6mm² |
Sensor resolution | 10 megapixels | 12 megapixels |
Anti aliasing filter | ||
Aspect ratio | 1:1, 4:3 and 3:2 | 3:2 and 16:9 |
Peak resolution | 3648 x 2736 | 4240 x 2832 |
Highest native ISO | 3200 | 409600 |
Minimum native ISO | 80 | 100 |
RAW support | ||
Autofocusing | ||
Focus manually | ||
Autofocus touch | ||
Continuous autofocus | ||
Single autofocus | ||
Autofocus tracking | ||
Selective autofocus | ||
Center weighted autofocus | ||
Autofocus multi area | ||
Autofocus live view | ||
Face detection focus | ||
Contract detection focus | ||
Phase detection focus | ||
Number of focus points | - | 25 |
Lens | ||
Lens mounting type | fixed lens | Sony E |
Lens focal range | 28-300mm (10.7x) | - |
Maximal aperture | f/3.5-5.6 | - |
Macro focus range | 1cm | - |
Total lenses | - | 121 |
Focal length multiplier | 5.8 | 1 |
Screen | ||
Range of screen | Fixed Type | Tilting |
Screen diagonal | 3 inch | 3 inch |
Resolution of screen | 920 thousand dot | 1,230 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch display | ||
Viewfinder Information | ||
Viewfinder | None | Electronic |
Viewfinder resolution | - | 2,359 thousand dot |
Viewfinder coverage | - | 100% |
Viewfinder magnification | - | 0.71x |
Features | ||
Min shutter speed | 8 secs | 30 secs |
Max shutter speed | 1/2000 secs | 1/8000 secs |
Continuous shutter speed | - | 5.0 frames per second |
Shutter priority | ||
Aperture priority | ||
Manual exposure | ||
Exposure compensation | - | Yes |
Change white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash range | 4.00 m | no built-in flash |
Flash options | Auto, On, Off, Red-Eye, Slow Sync | no built-in flash |
Hot shoe | ||
Auto exposure bracketing | ||
WB bracketing | ||
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Supported video resolutions | 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) | 3840 x 2160, XAVC S 1080 60p(50Mbps), 30p (50Mbps), 24p (50Mbps). 720 120p (50Mbps). AVCHD 60p (28Mbps), 60i (24Mbps/17Mbps), 24p (24Mbps/17Mbps) |
Highest video resolution | 1280x720 | 3840x2160 |
Video file format | Motion JPEG | MPEG-4, AVCHD, XAVC |
Microphone jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | None | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environmental seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 206g (0.45 lbs) | 489g (1.08 lbs) |
Dimensions | 102 x 58 x 29mm (4.0" x 2.3" x 1.1") | 127 x 94 x 48mm (5.0" x 3.7" x 1.9") |
DXO scores | ||
DXO Overall score | not tested | 87 |
DXO Color Depth score | not tested | 23.9 |
DXO Dynamic range score | not tested | 13.2 |
DXO Low light score | not tested | 3702 |
Other | ||
Battery life | - | 360 pictures |
Form of battery | - | Battery Pack |
Battery model | DB-100 | NP-FW50 |
Self timer | Yes (2, 10 or Custom) | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
Time lapse feature | With downloadable app | |
Storage media | SD/SDHC card, Internal | SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo |
Storage slots | 1 | 1 |
Pricing at release | $329 | $1,998 |