vsversusfinder

OM SYSTEM Olympus OM-1 Mark II Micro Four Thirds vs Sony Alpha A6100 Mirrorless Camera with 16-

Updated August 2026 — OM SYSTEM Olympus OM-1 Mark II Micro Four Thirds wins on build quality and features, Sony Alpha A6100 Mirrorless Camera with 16- wins on video capability.

The OM SYSTEM Olympus OM-1 Mark II offers advanced features and durability, while the Sony Alpha A6100 provides excellent value and video capabilities. Choose based on your specific needs.

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

Image Quality

20MP Stacked BSI sensor vs 24.2MP APS-C

Durability

IP53 weather sealing vs no specified sealing

Autofocus

1,053 focus points vs 850 focus points

Why Sony Alpha A6100 Mirrorless Camera with 16- is better

Price

$868.61 vs $1999.99

Continuous Shooting

11fps vs unspecified

Video Features

180-degree tiltable LCD vs unspecified

Overall score

OM SYSTEM Olympus OM-1 Mark II Micro Four Thirds
85
Sony Alpha A6100 Mirrorless Camera with 16-
75

Specifications

SpecOM SYSTEM Olympus OM-1 Mark II Micro Four ThirdsSony Alpha A6100 Mirrorless Camera with 16-
Sensor TypeBSI Live MOSAPS-C Exmor
AF Points1,053850
ISO Range100-25,600100-51,200
Weight1.48 lbs0.87 lbs
Screen Size3.0"3.0"

Dimension comparison

OM SYSTEM Olympus OM-1 Mark II Micro Four ThirdsSony Alpha A6100 Mirrorless Camera with 16-

Overview

When comparing the OM SYSTEM Olympus OM-1 Mark II and the Sony Alpha A6100, there is a significant price difference that immediately stands out. The OM SYSTEM Olympus OM-1 Mark II is priced at $1,999.99, while the Sony Alpha A6100 comes in at a more budget-friendly $868.61, making it about 57% cheaper. This price disparity suggests that the two cameras may serve different user needs and target markets.

Image Quality and Sensor Technology

The OM SYSTEM Olympus OM-1 Mark II features a 20MP Stacked BSI Live MOS sensor, designed to deliver high-resolution images with low noise. This sensor, combined with the TruePic X engine, allows for up to three times faster processing power. In contrast, the Sony Alpha A6100 sports a 24.2MP APS-C Exmor sensor, which is known for its excellent image quality and performance across various lighting conditions. While both cameras excel in image quality, the Sony offers a higher megapixel count, which can be advantageous for photographers looking to capture more detail.

Autofocus Performance

Autofocus systems are crucial for fast-paced photography, and here the two cameras take different approaches. The OM SYSTEM Olympus OM-1 Mark II boasts Cross Quad Pixel AF with 1,053 focus points, ensuring 100% high-precision autofocus. This makes it an excellent choice for capturing wildlife and action shots. Conversely, the Sony Alpha A6100 claims to have the world's fastest autofocus at 0.02 seconds, with a wide array of 425-phase and 425-contrast detection AF points covering over 84% of the sensor. While both systems are advanced, the Olympus excels in the number of focus points, providing versatility in various shooting scenarios.

Continuous Shooting Capabilities

For continuous shooting, the OM SYSTEM Olympus OM-1 Mark II offers advanced computational photography functions but does not specify a continuous shooting rate. On the other hand, the Sony Alpha A6100 can shoot at up to 11 frames per second, making it well-suited for fast-moving subjects. This capability can be particularly appealing to sports and wildlife photographers who need to capture multiple frames in quick succession. The lack of a specified shooting rate for the Olympus suggests that it may have its strengths in other areas rather than raw speed.

Build Quality and Durability

The OM SYSTEM Olympus OM-1 Mark II is designed for extreme conditions, featuring an IP53 rating for dustproof, splashproof, and freeze-proof performance down to -10℃. This makes it an ideal choice for outdoor photography in challenging environments. In contrast, the Sony Alpha A6100 does not specify any particular weather sealing features. For photographers who frequently work in unpredictable weather, the robust design of the Olympus may provide peace of mind and added durability.

Video Capabilities

When it comes to video recording, the Sony Alpha A6100 stands out with its ability to record high-quality video and features a 180-degree tiltable 3” touchscreen LCD. This can be particularly useful for vloggers and content creators who need flexible shooting angles. The OM SYSTEM Olympus OM-1 Mark II’s video capabilities are not detailed in the provided information, making it less clear how it compares in this regard. If video performance is a priority, the Sony's features may be more appealing.

User Experience and Usability

User experience can significantly impact how effectively a camera is used. The OM SYSTEM Olympus OM-1 Mark II emphasizes tactile usability and incorporates advanced computational photography functions, making it user-friendly for both experienced and novice photographers. The Sony Alpha A6100 also features Touch Tracking, allowing for smooth focus tracking with a simple touch on its display screen. Both cameras offer user-friendly interfaces, although the Olympus may cater more to those interested in computational features.

Which should you buy?

Deciding between the OM SYSTEM Olympus OM-1 Mark II and the Sony Alpha A6100 ultimately depends on your specific needs as a photographer. If you're looking for a premium camera with advanced autofocus, excellent durability for outdoor conditions, and sophisticated computational photography capabilities, the OM SYSTEM Olympus OM-1 Mark II is worth the investment at $1,999.99. However, if you're seeking a more budget-friendly option that still delivers impressive image quality, fast autofocus, and great video features, the Sony Alpha A6100 at $868.61 presents a compelling choice. Each camera serves its purpose well, but the decision hinges on whether you prioritize advanced features or affordability.