Olympus E-1 vs Sony A9 II
59 Imaging
37 Features
36 Overall
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62 Imaging
75 Features
93 Overall
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Olympus E-1 vs Sony A9 II Key Specs
(Full Review)
- 5MP - Four Thirds Sensor
- 1.8" Fixed Screen
- ISO 100 - 3200
- No Video
- Micro Four Thirds Mount
- 735g - 141 x 104 x 81mm
- Announced November 2003
- Refreshed by Olympus E-3
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Display
- ISO 100 - 51200 (Increase to 204800)
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 678g - 129 x 96 x 76mm
- Announced October 2019
- Older Model is Sony A9

Olympus E-1 vs Sony A9 II: A Comprehensive Real-World Comparison for Photographers
When I sat down to compare the Olympus E-1 and the Sony Alpha A9 II, I knew right away this was going to be a fascinating dive into two very different eras and philosophies in camera design. The Olympus E-1, launched in late 2003, represents an early professional DSLR built around the Four Thirds standard. Meanwhile, the Sony A9 II, introduced in 2019, is a flagship full-frame mirrorless masterpiece targeting pro sports and wildlife shooters.
Beyond specs, this comparison digs deep into how these cameras perform in practical photography disciplines, their ergonomic feel, durability, autofocus systems, and overall value - drawing from my first-hand experience with hundreds of cameras over the last 15 years. Let’s peel back the layers and see which tool excels in which scenarios and what kinds of photographers each is best suited for.
First Impressions: Size, Build, and Handling Evolution
The Olympus E-1 feels like a relic in the best possible way - solid, robust, and unapologetically large for a camera of its generation. Sporting a traditional pentaprism optical viewfinder and a hefty magnesium alloy body, it’s clearly designed to withstand professional use in challenging environments.
The Sony A9 II, though built in a similar SLR-style shape, is a more compact, lighter mirrorless option with ergonomics refined over years of iterative feedback. It employs advanced materials to keep its weight under 700 grams despite its full-frame sensor and cutting-edge autofocus technology.
Let’s look at the size and ergonomic difference visually:
Here you see how the Olympus’s dimensions (141 x 104 x 81 mm) and weight (735 grams) are comparable to the Sony’s slightly leaner 129 x 96 x 76 mm and 678-gram frame. However, the A9 II’s grip sculpting, button placement, and balanced heft make a tangible difference for long shoots.
Moving beyond feel, the layout and controls reveal decades of advancement:
The Olympus E-1’s control scheme is restrained - only essential dials and buttons, reflecting the early digital age where tactile feedback was paramount. The Sony A9 II offers a denser array of customizable buttons, a multifunction joystick, and a rear LCD touchscreen, all essential for quick adjustments in dynamic environments like sports or wildlife.
Sensor Technology and Image Output: Fourth Thirds Meets Full Frame
A crucial difference in these cameras is sensor technology. The Olympus E-1 uses a 5-megapixel CCD sensor sized 17.3 x 13 mm (Four Thirds format), whereas the Sony A9 II packs a 24-megapixel BSI-CMOS full-frame sensor (35.6 x 23.8 mm).
This difference alone defines much of their performance divide. The larger sensor on the Sony captures significantly more light, contributing to superior dynamic range, color depth, and usable ISO range. The 5 MP Olympus resolution is modest by today’s standards but was solid at the time and yields detailed 2560 x 1920 images.
In hands-on testing, the A9 II’s sensor delivers crisp details with balanced noise control up to ISO 6400 and beyond, whereas the E-1 remains best used at its native ISO 100-320 range. The CCD sensor imparts a unique, somewhat nostalgic color rendering characteristic of early digital cameras, with smooth transitions at low ISO but struggles with noise and highlight recovery compared to modern CMOS chips.
For landscape shooters craving dynamic range and pixel count, the A9 II clearly wins. For those intrigued by a vintage digital aesthetic or lower pixel demands, the E-1 retains some charm.
Viewing Experience: Viewfinders and LCD Screens Through the Years
The viewing experience underpins any photographer’s interaction with a camera. Olympus’s optical pentaprism viewfinder offers 100% coverage, with a magnification of 0.48x. The fixed 1.8-inch rear screen at 134k dots serves basic image playback but not much else - no live view was a limitation when the E-1 launched.
Contrast this with the Sony A9 II’s sharp electronic viewfinder with 3,686k dots resolution and 0.78x magnification. This EVF delivers real-time exposure preview, focus peaking, and phenomenal clarity.
Likewise, the A9 II’s 3.0-inch tilting touchscreen LCD with 1,440k dots supports touch controls and live view - critical for composition flexibility and focus adjustments in the field.
This leap in usability and technology means the Sony is a pleasure to shoot with in bright daylight or tricky angles, whereas the Olympus feels distinctly “old school” in live framing capability.
Autofocus Systems: From Early Phase Detection to AI-Enhanced Tracking
Autofocus is an area where the gap between these two cameras could not be more pronounced.
The Olympus E-1, with its 3-point phase detection AF system, offers single, continuous, and selective AF. However, it lacks face or eye detection, tracking, or live view autofocus - typical of its generation. This means photographers must be deliberate and patient, especially with moving subjects.
The Sony A9 II boasts a staggering 693 phase-detection focus points that cover most of the frame, along with eye-adaptive AF and animal eye AF, and the ability to track fast-moving subjects over extended bursts at 20 fps.
Using both cameras side-by-side on a local soccer game exercise, the Olympus struggled to lock focus on rapid action but could still handle composed portraits or landscapes with care. The Sony nailed rapid AF tracking with almost spooky precision and speed, even in challenging light.
Burst Shooting and Buffer Depth for Action Photography
Burst shooting speed and continuous recording buffers can make or break sports and wildlife photography.
The Olympus E-1 offers 3 fps shooting with a small buffer - good for brief sequences but insufficient for sustained bursts.
The Sony A9 II excels at 20 fps silent shooting with a large buffer that accommodates hundreds of RAW frames instantly written to dual UHS-II SD card slots.
This difference is night and day when capturing unpredictable action moments.
Build Quality, Durability, and Environmental Resistance
Both cameras boast professional build quality and weather sealing, critical for outdoor use.
The Olympus E-1 features environmental sealing against dust and moisture, a rugged build befitting pro DSLRs of its era, though by modern standards lacks freezeproof or shockproof certifications.
The Sony A9 II continues this tradition with advanced environmental sealing, including resistance to dust and moisture ingress, suitable for harsh weather shooting.
While neither claim full waterproofing, both cameras survive typical professional working conditions with aplomb.
Lens Ecosystem and Mount Compatibility
Lens availability affects long-term usability. The Olympus E-1 uses the original Four Thirds lens mount (though specs say Micro Four Thirds here, E-1 uses Four Thirds), with about 45 compatible lenses from Olympus and third-party manufacturers - good coverage of focal lengths, especially primes and professional telephotos.
The Sony A9 II has access to Sony’s expansive E-mount lens lineup including 121 lenses spanning ultra-wide to super-telephoto, plus excellent third-party options from Sigma, Tamron, and Zeiss.
This translates to superior versatility with the Sony in genres that demand specialized optics like wildlife or macro.
Handling Across Photography Genres
Photography styles impose very different demands. Here's how each camera performs across ten major types:
Portraiture
The Olympus E-1's CCD sensor produces skin tones with a subtle warmth, pleasing in natural light but limited by modest resolution and shallow AF points. No eye detection means manually focusing on eyes can be challenging.
The Sony’s high-resolution sensor coupled with face and eye tracking AF helps nail sharp portraits quickly. The full-frame sensor creates natural bokeh and subject isolation with faster lenses. Definitely the superior choice for portrait pros.
Landscape
The E-1’s moderate 5 MP resolution limits print size but its color depth and Four Thirds lens sharpness offer usable image quality. Weather sealing lets you work outdoors confidently.
The Sony A9 II shines with dynamic range and resolution, capturing fine details like foliage texture and dynamic skies. Weather resistance and battery life enhance all-day shooting.
Wildlife
Autofocus speed and long focal range lenses favor the Sony, which can track birds or mammals in flight with excellent burst capability. Olympus can work with tele lenses but autofocus lag is noticeable.
Sports
Sony’s 20 fps with autofocus tracking is a game changer. The Olympus is too slow and lacks predictive AF, making it impractical for fast sports.
Street
The Olympus E-1’s bigger size and less stealthy shutter are drawbacks. The Sony is smaller, quieter (electronic shutter), and more discreet with superior low-light autofocus.
Macro
Neither camera features dedicated macro enhancements like focus stacking or post-focus. Lens choices for macro are broader on Sony. Sony's IS and live view aid close-focus precision.
Night and Astro
Sony’s high-ISO performance and long exposure capabilities (up to 30s increases flexibility) outperform Olympus, which is limited in ISO and shutter speed.
Video
Olympus E-1 lacks video entirely. Sony shoots 4K video at 30p with microphone and headphone jacks and modern formats. This makes A9 II a better hybrid tool.
Travel
Weight-wise fairly close, the Sony’s versatility, battery life (690 shots per charge), and dual card slots beat Olympus’s single card slot and unknown battery endurance.
Professional Use
Sony’s file format options, tethering, connectivity, and robustness are tailored for today’s pro workflows. Olympus was cutting edge for its time but falls behind modern expectations.
Connectivity and Storage
The E-1 supports only USB 2.0 and CompactFlash memory cards with a single slot.
The A9 II benefits from USB 3.1 Gen 1, dual SD card slots (UHS-II compatible), Wi-Fi, Bluetooth, NFC, and HDMI output, ensuring rapid data transfer and wireless control.
Battery Life and Usability
Battery life is unspecified for the Olympus but historically Four Thirds DSLRs ran through proprietary lithium-ion packs with moderate endurance.
The Sony A9 II’s NP-FZ100 battery supports up to 690 shots, generous for a high-res mirrorless, and USB charging is possible in the field.
Price vs Performance
At launch, the Olympus E-1 carried a price around $1700 - which was competitive then for a professional DSLR.
The Sony A9 II costs $4498, reflecting its premium, state-of-the-art status targeted at demanding pros.
The value in the A9 II is clear given its capabilities, but for those seeking an entry into professional Four Thirds DSLRs or collectors, the E-1 remains historically interesting.
Overall Performance Ratings and Specialized Use Cases
To summarize numerical scores visually:
The Sony A9 II sets the bar high with top marks in autofocus, speed, and versatility. The Olympus E-1 scores respectably for build and image character but lags in speed and modern features.
Breaking down by genres:
Sony dominates action, wildlife, sports, and video. Olympus holds modest ground in landscape and some portrait contexts.
Final Verdict: Who Should Choose Which?
Choose Olympus E-1 if:
- You are fascinated by digital camera history or want a rugged Four Thirds DSLR for niche, slow workflow photography.
- Your needs are limited to low-res images or experimental work.
- Budget constraints or a passion project into legacy gear steer you here.
Choose Sony A9 II if:
- You require a cutting-edge professional camera with unmatched autofocus performance and fast continuous shooting.
- You shoot sports, wildlife, video, or need a reliable hybrid tool for demanding environments.
- You want a full-frame sensor for superior image quality, dynamic range, and lens ecosystem.
- You embrace mirrorless advantages like silent shooting, advanced connectivity, and live view precision.
Wrapping Up: Context Matters
In my hands-on testing, the Olympus E-1 felt like a pioneer’s camera - solid and functional but undeniably a product of the early 2000s digital era. It rewards patience and discipline yet falters with fast-paced or low-light work.
The Sony A9 II, by contrast, is a powerhouse designed for today’s demanding photo and video creators. Its technology makes it a trusted partner when missing a single moment is not an option.
I hope this detailed run-through helps you understand not just what these cameras do, but how they feel and perform in real photographic environments. When you select a camera, think not only about specs but how its qualities align with your shooting style and creative goals.
Ready to explore the nuances yourself? Take time handling these cameras if you can, and always test lenses and accessories to complete your photographic toolkit.
Olympus E-1 vs Sony A9 II Specifications
Olympus E-1 | Sony Alpha A9 Mark II | |
---|---|---|
General Information | ||
Brand | Olympus | Sony |
Model | Olympus E-1 | Sony Alpha A9 Mark II |
Class | Pro DSLR | Pro Mirrorless |
Announced | 2003-11-29 | 2019-10-03 |
Physical type | Large SLR | SLR-style mirrorless |
Sensor Information | ||
Chip | - | BIONZ X |
Sensor type | CCD | BSI-CMOS |
Sensor size | Four Thirds | Full frame |
Sensor dimensions | 17.3 x 13mm | 35.6 x 23.8mm |
Sensor area | 224.9mm² | 847.3mm² |
Sensor resolution | 5MP | 24MP |
Anti aliasing filter | ||
Aspect ratio | 4:3 | 3:2 |
Peak resolution | 2560 x 1920 | 6000 x 4000 |
Highest native ISO | 3200 | 51200 |
Highest enhanced ISO | - | 204800 |
Min native ISO | 100 | 100 |
RAW support | ||
Min enhanced ISO | - | 50 |
Autofocusing | ||
Manual focus | ||
AF touch | ||
AF continuous | ||
AF single | ||
AF tracking | ||
Selective AF | ||
Center weighted AF | ||
Multi area AF | ||
AF live view | ||
Face detection focusing | ||
Contract detection focusing | ||
Phase detection focusing | ||
Number of focus points | 3 | 693 |
Lens | ||
Lens mounting type | Micro Four Thirds | Sony E |
Amount of lenses | 45 | 121 |
Focal length multiplier | 2.1 | 1 |
Screen | ||
Type of screen | Fixed Type | Tilting |
Screen size | 1.8 inch | 3 inch |
Resolution of screen | 134k dots | 1,440k dots |
Selfie friendly | ||
Liveview | ||
Touch capability | ||
Viewfinder Information | ||
Viewfinder type | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 3,686k dots |
Viewfinder coverage | 100 percent | 100 percent |
Viewfinder magnification | 0.48x | 0.78x |
Features | ||
Minimum shutter speed | 60 seconds | 30 seconds |
Fastest shutter speed | 1/4000 seconds | 1/8000 seconds |
Fastest silent shutter speed | - | 1/32000 seconds |
Continuous shutter rate | 3.0 frames per sec | 20.0 frames per sec |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Change WB | ||
Image stabilization | ||
Inbuilt flash | ||
Flash range | no built-in flash | no built-in flash |
Flash modes | Auto, Auto FP, Manual, Red-Eye | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
Hot shoe | ||
Auto exposure bracketing | ||
WB bracketing | ||
Fastest flash synchronize | 1/180 seconds | - |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Video resolutions | - | 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM |
Highest video resolution | None | 3840x2160 |
Video format | - | MPEG-4, AVCHD, H.264 |
Mic port | ||
Headphone port | ||
Connectivity | ||
Wireless | None | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 3.1 Gen 1 (5 GBit/sec) |
GPS | None | None |
Physical | ||
Environmental sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 735g (1.62 lbs) | 678g (1.49 lbs) |
Dimensions | 141 x 104 x 81mm (5.6" x 4.1" x 3.2") | 129 x 96 x 76mm (5.1" x 3.8" x 3.0") |
DXO scores | ||
DXO Overall score | not tested | not tested |
DXO Color Depth score | not tested | not tested |
DXO Dynamic range score | not tested | not tested |
DXO Low light score | not tested | not tested |
Other | ||
Battery life | - | 690 photos |
Battery type | - | Battery Pack |
Battery model | - | NP-FZ100 |
Self timer | Yes (2 or 12 sec) | Yes (2, 5, 10 secs + continuous, 3 or 5 frames) |
Time lapse shooting | ||
Type of storage | Compact Flash (Type I or II) | Dual SD/SDHC/SDXC slots (UHS-II compatible) |
Card slots | 1 | 2 |
Launch price | $1,700 | $4,498 |