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OM SYSTEM Olympus OM-1 Mark II Micro Four Thirds vs OM SYSTEM OM-5 Mark II Body Black Compact Light

Updated August 2026 — OM SYSTEM Olympus OM-1 Mark II Micro Four Thirds wins on image quality and features, OM SYSTEM OM-5 Mark II Body Black Compact Light wins on portability and video quality.

The OM SYSTEM Olympus OM-1 Mark II is a superior choice for serious photographers, while the OM SYSTEM OM-5 Mark II offers great value for casual users.

Why OM SYSTEM Olympus OM-1 Mark II Micro Four Thirds is better

Image Quality

20MP Stacked BSI sensor delivers higher resolution.

Performance

TruePic X engine provides faster processing.

Features

Advanced computational photography options available.

Why OM SYSTEM OM-5 Mark II Body Black Compact Light is better

Price

$800 cheaper than OM-1 Mark II.

Weight

Weighs only 370 grams, ideal for travel.

Video

Unlimited 4K video recording capabilities.

Overall score

OM SYSTEM Olympus OM-1 Mark II Micro Four Thirds
90
OM SYSTEM OM-5 Mark II Body Black Compact Light
75

Specifications

SpecOM SYSTEM Olympus OM-1 Mark II Micro Four ThirdsOM SYSTEM OM-5 Mark II Body Black Compact Light
Sensor20MP BSIStandard
Autofocus1,053 pointsHigh performance
VideoNot specifiedUnlimited 4K
Weather SealedIP53Weather sealed
ProcessingTruePic XStandard

Dimension comparison

OM SYSTEM Olympus OM-1 Mark II Micro Four ThirdsOM SYSTEM OM-5 Mark II Body Black Compact Light

Overview of the Products

The OM SYSTEM Olympus OM-1 Mark II is priced at $1,999.99, while the OM SYSTEM OM-5 Mark II is available for $1,199.99, making the latter about 40% cheaper. Both cameras are designed for outdoor photography, but they cater to different needs and budgets. The OM-1 Mark II is a more advanced model with features that appeal to serious photographers, whereas the OM-5 Mark II offers a compact design for those who prioritize portability without sacrificing quality.

Design and Build Quality

The OM SYSTEM Olympus OM-1 Mark II boasts a robust weather-sealed design rated IP53, ensuring it can withstand the harshest conditions, including dust, splashes, and freezing temperatures down to -10℃. This makes it particularly appealing for wildlife photographers who often face unpredictable weather. On the other hand, the OM SYSTEM OM-5 Mark II, while also weather-sealed, emphasizes a lightweight and compact form factor, weighing only 370 grams. This makes it an ideal choice for travel and hiking, where minimizing weight is crucial.

Image Quality

When it comes to image quality, the OM-1 Mark II excels with its 20MP Stacked BSI Live MOS sensor, delivering stunning resolution and low noise. It also features Cross Quad Pixel AF with 1,053 focusing points, ensuring high-precision focusing in diverse shooting conditions. In contrast, the OM-5 Mark II focuses on providing sharp and vibrant shots, albeit with less emphasis on high resolution compared to its counterpart. This makes the OM-1 Mark II a better fit for photographers who require the highest image fidelity.

Performance and Speed

The OM SYSTEM Olympus OM-1 Mark II offers superior performance with its TruePic X engine, which delivers processing speeds up to three times faster than previous models. This is particularly beneficial for fast-paced wildlife photography. The OM-5 Mark II, while featuring high autofocus performance, lacks the same level of processing power. Both cameras are designed to capture fleeting moments, but the OM-1 Mark II is better suited for those who need rapid response times in dynamic environments.

Computational Photography Features

The OM-1 Mark II stands out with its advanced computational photography functions, including Handheld High Res Shot, Live GND, Live ND, Handheld Live Composite, Focus Stacking, and HDR shooting. These features allow photographers to explore creative options in challenging scenarios. Conversely, the OM-5 Mark II highlights its computational photography button, which also enhances creativity but does not offer the same breadth of specialized features as the OM-1 Mark II. This makes the OM-1 Mark II a more versatile tool for those who want to push the boundaries of their photography.

Video Capabilities

The OM-5 Mark II shines in the realm of video, allowing for unlimited 4K video recording, which is perfect for those looking to tell stories through motion. This feature makes it an excellent choice for outdoor videography. The OM-1 Mark II, while not explicitly mentioned for video recording, is still a capable camera for those who might want to dabble in video but is primarily geared towards still photography. The emphasis on video capabilities in the OM-5 Mark II makes it more appealing for content creators who prioritize videography.

Target Audience

The OM SYSTEM Olympus OM-1 Mark II caters to serious photographers and outdoor enthusiasts who demand top-tier performance in challenging conditions. Its advanced features and durability justify its higher price tag. In contrast, the OM SYSTEM OM-5 Mark II is designed for casual photographers and travelers who seek a high-quality camera that is easy to carry around. The significant price difference of about $800 makes the OM-5 Mark II an attractive option for those who want a reliable camera without the investment associated with the OM-1 Mark II.

Which should you buy?

Choosing between the OM SYSTEM Olympus OM-1 Mark II and the OM SYSTEM OM-5 Mark II ultimately depends on your specific needs and budget. If you are a serious photographer who requires exceptional image quality, advanced features, and robust build quality for outdoor conditions, the OM-1 Mark II is worth the investment at $1,999.99. However, if you are looking for a more affordable option that still delivers excellent performance in a lightweight package, the OM-5 Mark II at $1,199.99 is an outstanding choice, especially for travel and spontaneous photography. Each camera has its strengths, making the decision a matter of personal preference and intended use.