OM SYSTEM OM-5 Mark II Body Black Compact Light vs Sony Alpha A6100 Mirrorless Camera with 16-
Updated August 2026 — OM SYSTEM OM-5 Mark II Body Black Compact Light leads on durability and portability.
The OM SYSTEM OM-5 Mark II excels in outdoor functionality and video capabilities, while the Sony Alpha A6100 offers superior autofocus and affordability.
Why OM SYSTEM OM-5 Mark II Body Black Compact Light is better
Video Quality
Unlimited 4K video recording.
Durability
Weather-sealed body for outdoor use.
Portability
Lighter weight at 370g.
Why Sony Alpha A6100 Mirrorless Camera with 16- is better
Price
More affordable at $868.61.
Autofocus
World's fastest autofocus at 0.02 seconds.
Sensor
Higher ISO capability up to 51,200.
Overall score
Specifications
| Spec | OM SYSTEM OM-5 Mark II Body Black Compact Light | Sony Alpha A6100 Mirrorless Camera with 16- |
|---|---|---|
| Video Recording | Unlimited 4K | 4K, limited |
| Autofocus Speed | Fast | Fastest |
| ISO Range | Up to 25,600 | Up to 51,200 |
| Weight | 370g | 396g |
| Sales Rank | 30,336 | 39,214 |
Dimension comparison
Overview
The OM SYSTEM OM-5 Mark II and the Sony Alpha A6100 are two compelling options for anyone looking to dive into the world of mirrorless cameras. The OM-5 Mark II is designed for outdoor enthusiasts, while the Alpha A6100 offers impressive autofocus capabilities. Both cameras have unique features that cater to different types of photography and videography.
Price Comparison
The OM SYSTEM OM-5 Mark II is priced at $1,199.99, while the Sony Alpha A6100 is significantly more affordable at $868.61. This puts the A6100 about 27.5% cheaper than the OM-5 Mark II. For photographers on a budget or those just starting, the lower price of the Alpha A6100 may be a considerable factor, especially given its strong feature set. However, those willing to invest a bit more for superior outdoor functionality may find the OM-5 Mark II worth the additional cost.
Image Quality
When it comes to image quality, both cameras excel, but they offer different strengths. The OM SYSTEM OM-5 Mark II boasts unmatched image quality with sharp, stable, and vibrant shots, making it particularly suitable for landscapes and nature photography. In contrast, the Sony Alpha A6100 features a 24.2MP APS-C Exmor sensor that enhances overall image quality and performance. The Alpha A6100's sensor also has a high ISO capability of up to 51,200, which can be beneficial in low-light conditions, giving it an edge for diverse shooting environments.
Autofocus Performance
Autofocus performance is a critical feature for many photographers, and here the Sony Alpha A6100 shines with the world’s fastest autofocus at 0.02 seconds. It includes real-time AF and object tracking capabilities, which allow for seamless capturing of moving subjects. The OM SYSTEM OM-5 Mark II also offers high autofocus performance, but lacks the same level of speed and tracking technology as the A6100. This difference may sway action photographers or those who frequently shoot wildlife in favor of the Alpha A6100.
Video Capabilities
For videographers, the OM SYSTEM OM-5 Mark II stands out with its unlimited 4K video recording capabilities, allowing creators to tell their stories in motion without time constraints. The Alpha A6100 also supports video recording and includes a 180-degree tiltable 3-inch touchscreen LCD, making it easy for vloggers to frame shots. However, its video capabilities are not as robust as those of the OM-5 Mark II. If videography is a primary focus, the OM-5 Mark II may be the better choice.
Design and Portability
In terms of design, the OM SYSTEM OM-5 Mark II is compact and lightweight, weighing just 370g, making it an ideal travel companion. Its weather-sealed body ensures durability in challenging conditions, which is a significant advantage for outdoor photographers. The Sony Alpha A6100, while still portable, offers a slightly bulkier package, especially with the 16-50mm zoom lens attached. For those prioritizing portability and ruggedness, the OM-5 Mark II is an appealing option.
User Experience
User experience can vary significantly between these two models. The OM SYSTEM OM-5 Mark II features a computational photography button that encourages creativity inspired by nature, making it user-friendly for photographers who enjoy experimentation. The Alpha A6100 features a touch tracking system that allows users to lock focus on subjects simply by touching the display. This intuitive approach can enhance the shooting experience, especially for those who prefer a more interactive interface.
Customer Popularity
In terms of popularity, the OM SYSTEM OM-5 Mark II ranks at 30,336 in terms of sales, while the Sony Alpha A6100 has a sales rank of 39,214. This indicates a stronger market presence for the OM-5 Mark II, possibly due to its specialized features catering to outdoor enthusiasts. However, the Alpha A6100 still represents a popular choice among entry-level photographers looking for reliability and performance.
Which should you buy?
Choosing between the OM SYSTEM OM-5 Mark II and the Sony Alpha A6100 ultimately depends on your specific photography and videography needs. If you are looking for a robust, weather-sealed camera that excels in outdoor settings and offers unlimited 4K video recording, the OM-5 Mark II is worth the investment. However, if you need an affordable, versatile camera with exceptional autofocus and solid image quality for a range of shooting scenarios, the Alpha A6100 is an excellent option. Both cameras have their unique strengths, so consider what features matter most to you before making a decision.

