Panasonic S1R II vs Sony A7C II

By Camera Reviews Editorial Team · Last updated February 16, 2026

Panasonic S1R II

Panasonic S1R II

VS
Sony A7C II

Sony A7C II

The Panasonic S1R II and the Sony A7C II are two notable mirrorless cameras that cater to both professional photographers and serious enthusiasts looking for high-quality imaging tools. Both systems boast full-frame sensors, but they diverge significantly in features, performance, and design. Potential buyers may be torn between the high resolution and advanced video capabilities of the S1R II versus the compact design and robust autofocus system of the A7C II. As each of these cameras appeals to different user priorities, understanding their key differentiators is crucial for making an informed decision.

Specifications Comparison

Sensor Size
S1R II
Full-Frame
A7C II
Full frame (35.6 x 23.8 mm)
Megapixels
S1R II
44.3
A7C II
33
ISO Range
S1R II
None
A7C II
Auto, 100-51200 (expands to 50-204800)
Autofocus Points
S1R II
None
A7C II
759
Max FPS
S1R II
40
A7C II
10
Video Resolution
S1R II
8K 30p & 4K 120p
A7C II
4K 60p
Stabilization
S1R II
Sensor-Shift
A7C II
7 stop(s)
Weight (g)
S1R II
None
A7C II
514
Dimensions
S1R II
None
A7C II
124 x 71 x 63 mm (4.88 x 2.8 x 2.48″)
Battery Life (shots)
S1R II
None
A7C II
540
Price (USD)
S1R II
$None
A7C II
$2200
Lens Mount
S1R II
None
A7C II
Sony E
Viewfinder
S1R II
None
A7C II
Electronic
Screen
S1R II
None
A7C II
3″, 1,036,800 dots
Weather Sealed
S1R II
No
A7C II
Yes
Release Year
S1R II
None
A7C II
2023

Detailed Comparison

Image Quality

Image quality is often a deciding factor for photographers, and here the Panasonic S1R II has an edge. With a staggering 44.3 megapixels, this camera is tailored for high-resolution imaging, making it an excellent choice for landscape photographers and those needing detailed prints. Coupled with a full-frame sensor, users can expect exceptional detail and dynamic range in various lighting conditions.

In contrast, the Sony A7C II has 33 megapixels, which, while still providing excellent quality, falls short of the S1R II. However, the A7C II shines in its superior ISO range, with the ability to expand up to 204800, allowing for great performance in low-light situations. Thus, while the A7C II may produce images with slightly less resolution, its flexibility in ISO settings gives it an edge in challenging lighting.

Given these factors, the S1R II remains the clear winner in terms of sheer image resolution and detail, making it the preferable choice for those prioritizing image fidelity above all.

Winner: Panasonic S1R II

Autofocus System

When it comes to autofocus performance, the Sony A7C II is a standout, featuring an impressive 759 autofocus points that provide fast and accurate focusing capabilities. This makes the A7C II especially appealing for action photography and capturing moving subjects. Coupled with its intelligent Real-Time Eye Autofocus, it excels in various scenarios, particularly in real-time tracking of subjects.

On the other hand, the Panasonic S1R II does not publicly specify the number of autofocus points, suggesting a more basic system in comparison. While it provides solid focus performance for still subjects, it may not match the instantaneous tracking capabilities and reliability of the A7C II in fast-paced scenarios.

Thus, in the realm of autofocus, the A7C II is clearly the winner, markedly better suited for wildlife, sports, and any dynamic setting.

Winner: Sony A7C II

Video Capabilities

Video professionals may find the S1R II's capabilities particularly appealing, offering 8K video at 30p and 4K up to 120p. This range allows filmmakers an incredible level of detail and flexibility, making it a superior choice for videography, especially for capturing high-resolution content in various formats.

Conversely, while the A7C II supports 4K video, its maximum frame rate is limited to 60p. For many casual videographers, this may still be sufficient; however, it lacks the higher resolution and frame rate options that professionals might demand.

In terms of total video versatility, the S1R II stands out as the winner due to its advanced resolution and frame rate capabilities, appealing to those who value high-quality video production.

Winner: Panasonic S1R II

Build & Ergonomics

The Sony A7C II is lightweight and compact with dimensions of 124 x 71 x 63 mm and weighs 514 grams, making it one of the most portable full-frame options available. This make it particularly appealing for travel photographers or those who prefer a minimalistic setup without sacrificing image quality. It also features weather-sealing, providing added protection against the elements, which is crucial for outdoor shooting.

In contrast, the Panasonic S1R II is larger and heavier, which can be less convenient for extended use. However, this bulkiness often translates to a more substantial grip and stability during shooting. While it does have weather-sealing, the weight may not suit everyone, especially those who prioritize portability.

Overall, for those prioritizing compactness and portability, the A7C II takes the lead, appealing to travel and street photographers who need to pack light.

Winner: Sony A7C II

Battery & Storage

Battery life is a crucial consideration, especially for those who spend a full day shooting. The Sony A7C II boasts an impressive battery life of approximately 540 shots, making it suitable for longer shooting sessions without worrying about running out of power.

In contrast, while the Panasonic S1R II's specific battery life isn't provided in the specs, it's generally known for consuming more battery, particularly when utilizing 8K video and high-resolution features. Therefore, it may require more frequent charging or additional battery packs for extended uses.

Given these differences, the A7C II clearly offers a more reliable battery performance, making it more appealing for videographers or photographers who shoot for longer durations.

Winner: Sony A7C II

Value for Money

In terms of pricing, the Sony A7C II is set at around $2200, which could be considered a reasonable investment for a full-frame camera with significant autofocus capabilities, compact design, and reliable performance, especially for enthusiasts who prioritize portability.

On the other hand, while pricing details for the Panasonic S1R II aren't provided, it is generally assumed to occupy a more premium price bracket in line with its superior specifications, particularly in resolution and video capabilities. This may intimidate budget-conscious buyers. However, for professionals who require high performance in image quality and videography, the investment could be justified.

For value, the A7C II represents a better financial choice for those looking to maximize features without breaking the bank, especially considering its strong all-around performance and portability.

Winner: Sony A7C II

Our Verdict

In analyzing the aspects of image quality, autofocus, video capabilities, ergonomics, battery life, and value for money, the Sony A7C II emerges as the overall winner due to its superior portability, outstanding autofocus system, and cost-effectiveness. While the Panasonic S1R II excels in resolution and video capabilities, its bulkier design and potentially higher price may deter some users. The A7C II is the ideal choice for travel and street photographers who need a reliable, compact camera that can perform well in most situations, whereas the S1R II is best suited for professionals who need the highest image quality and video versatility.

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