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OM SYSTEM OM-5 Mark II Body Black Compact Light vs Sony Alpha 7R V Full-Frame Mirrorless Camera

Updated August 2026 — OM SYSTEM OM-5 Mark II Body Black Compact Light wins on price, Sony Alpha 7R V Full-Frame Mirrorless Camera wins on weight and autofocus.

The OM SYSTEM OM-5 Mark II is a lightweight and budget-friendly option for outdoor enthusiasts, while the Sony Alpha 7R V offers superior image quality and advanced features for professionals.

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

Price

OM-5 Mark II is significantly cheaper at $1,199.99.

Portability

OM-5 Mark II is lighter at 370g.

4K Video

OM-5 Mark II offers unlimited 4K video recording.

Why Sony Alpha 7R V Full-Frame Mirrorless Camera is better

Image Quality

Sony Alpha 7R V has a 61.0 MP sensor for superior detail.

Autofocus

Sony Alpha 7R V features advanced AI autofocus.

Video Capability

Sony Alpha 7R V supports 8K video recording.

Overall score

OM SYSTEM OM-5 Mark II Body Black Compact Light
75
Sony Alpha 7R V Full-Frame Mirrorless Camera
90

Specifications

SpecOM SYSTEM OM-5 Mark II Body Black Compact LightSony Alpha 7R V Full-Frame Mirrorless Camera
SensorMicro Four Thirds61.0 MP Full-Frame
Video4K 30p8K 24p/25p
Weight370g723g
Price$1,199.99$3,298.00
AutofocusHigh PerformanceAI Real-time

Dimension comparison

OM SYSTEM OM-5 Mark II Body Black Compact LightSony Alpha 7R V Full-Frame Mirrorless Camera

Overview of the OM SYSTEM OM-5 Mark II and Sony Alpha 7R V

The OM SYSTEM OM-5 Mark II is priced at $1,199.99, making it significantly more affordable than the Sony Alpha 7R V, which costs $3,298.00. This price difference of about 64% highlights the OM SYSTEM's appeal for those on a budget or seeking a compact travel solution. While both cameras are designed for photography enthusiasts, their target audiences and capabilities vary greatly.

Design and Portability

The OM SYSTEM OM-5 Mark II stands out for its compact and lightweight design, weighing only 370g. This makes it an ideal choice for outdoor enthusiasts who require a camera that won’t weigh them down during their adventures. In contrast, the Sony Alpha 7R V, while still a mirrorless camera, is bulkier and more suited for studio or professional use. The OM SYSTEM's portability is a significant advantage for travelers, hikers, and those who wish to capture spontaneous moments without the hassle of heavy gear.

Image Quality

Both cameras promise exceptional image quality, but they cater to different needs. The OM SYSTEM OM-5 Mark II boasts unmatched sharpness and vibrant colors, ideal for capturing the beauty of nature. On the other hand, the Sony Alpha 7R V is equipped with a 61.0 MP full-frame back-illuminated Exmor R CMOS sensor, delivering incredibly detailed images that professionals crave. This sensor allows for extraordinary dynamic range and low-light performance, making the Alpha 7R V the superior option for those prioritizing the highest quality in their photography.

Autofocus Performance

Autofocus capabilities are critical for capturing fast-moving subjects. The OM SYSTEM OM-5 Mark II features high autofocus performance designed to capture every split second, which is beneficial for action shots and wildlife photography. However, the Sony Alpha 7R V takes autofocus to the next level with its next-generation AI processing unit and Real-time Recognition autofocus. This advanced system allows for more accurate tracking of subjects, making it an excellent choice for fast-paced environments, such as sports events or wildlife photography.

Video Recording Capabilities

When it comes to video recording, both cameras have their strengths. The OM SYSTEM OM-5 Mark II offers unlimited 4K video recording, catering to those who want to tell their stories through motion. It is particularly suited for vloggers and outdoor videographers. In contrast, the Sony Alpha 7R V provides outstanding filmmaking capabilities with 8K 24p/25p and 4K 60p video, along with a remarkable 15+ stops of dynamic range. This makes it the clear choice for professional filmmakers or anyone looking to achieve cinematic quality in their video projects.

Battery Life

Battery life is an essential consideration for photographers who spend long hours outdoors. The OM SYSTEM OM-5 Mark II, being compact, might not have the extensive battery life of larger cameras, but it is designed to last through outdoor adventures. The Sony Alpha 7R V, while a heavier option, benefits from more robust battery performance, making it suitable for extended shooting sessions, especially in studio settings. If you need a camera that can keep up with all-day shoots, the Alpha 7R V may have the edge.

Price and Value Proposition

The OM SYSTEM OM-5 Mark II is priced at $1,199.99, which is about 64% less than the Sony Alpha 7R V's $3,298.00. For those who prioritize budget without sacrificing quality, the OM-5 Mark II offers excellent value, especially for outdoor photography. However, the Sony Alpha 7R V, with its advanced features and superior image quality, may justify its higher price for professionals who demand the best equipment for their craft. The decision will ultimately boil down to your specific needs and budget considerations.

Which should you buy?

The choice between the OM SYSTEM OM-5 Mark II and the Sony Alpha 7R V hinges on your individual needs as a photographer. If you are an outdoor enthusiast seeking a lightweight, compact camera that excels in portability and ease of use, the OM-5 Mark II is the ideal option at $1,199.99. However, if you are a professional or serious hobbyist in need of top-tier image quality, advanced autofocus, and superior video capabilities, the Sony Alpha 7R V, despite its higher price of $3,298.00, may be worth the investment. Both cameras have their distinct advantages, ensuring that you’ll find a suitable match for your photography style and requirements.