#35

Sony

Sony Alpha 7S III ILCE7SM3/B

Name: Alpha 7S III ILCE7SM3/B
Brand: Sony
SKU: B08DP4NKGN
Price: 3498 JPY
Availability: InStock
Rating: 4.6 (1 reviews)

Rating

Model: ILCE7SM3/B

$3,498(incl. tax)Amazon price as of 2025-08-26

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Product Overview

The Sony Alpha 7S III is a full-frame mirrorless camera designed for exceptional low-light performance and high-quality video recording. Featuring a 12.1MP Exmor R sensor and a BIONZ XR processing engine, it delivers clean images up to ISO 409,600 and offers 15+ stops of dynamic range. It supports 4K 120p 10-bit 4:2:2 recording with full pixel readout. The camera includes a fast hybrid autofocus system with 759 phase detection AF points, making it suitable for both photo and video work. It also features a redesigned menu and a vari-angle LCD screen.

Product Specifications

Image Sensor Size

35.6 x 23.8mm

Effective Pixels

12.1MP

ISO Range

Up to 409,600

Shutter Speed

-sec

Image Stabilization

Sensor-shift

Continuous Shooting Speed

-fps

Video Resolution

4K UHD 2160p

Mount Type

Sony E

LCD Screen Size

3.0inch

Weight

612g

Size & Weight

Weight

1.35 pounds

Hight

3.18 inches

Width

5.07 inches

Depth

3.81 inches

Features

In-Body Image Stabilization Function

Feature Description

A function that compensates for camera shake within the camera body. It reduces blur in photos and videos, especially in low-light conditions or when using telephoto lenses. Allows for sharper images without a tripod.

About This Product

The in-body image stabilization (IBIS) provides up to 5.5 stops of shake correction, allowing for sharper images and smoother video when shooting handheld or with unstabilized lenses. This is crucial for low-light and telephoto shooting.

Eye Detection Autofocus Function

Feature Description

A function that automatically detects and focuses on the subject's eyes. It ensures sharp focus on the eyes, which is critical for portrait photography. Useful for capturing clear and expressive portraits.

About This Product

The Eye Detection AF automatically detects and focuses on the subject's eyes, ensuring sharp focus in portraits and video interviews. This feature is highly beneficial for capturing clear and expressive shots of people and animals.

Tilting LCD Screen Function

Feature Description

A function that allows the LCD screen to be tilted upwards or downwards. It makes it easier to compose shots from high or low angles. Enables more creative and comfortable shooting positions.

About This Product

The vari-angle LCD screen allows for easy composition from high and low angles, providing greater flexibility when shooting in various situations. This is particularly useful for vlogging and filmmaking where unconventional angles are often required.

External Microphone Input Function

Feature Description

A function that allows connecting an external microphone for improved audio quality. It enhances audio recording for videos, making them sound clearer and more professional. Beneficial for vlogging or recording interviews.

About This Product

The external microphone input allows for connecting an external microphone for improved audio quality, making it ideal for vlogging, interviews, and professional video recording. High-quality audio is essential for professional video work.

USB Power Supply Function

Feature Description

A function that allows the camera to be powered via USB. It allows you to continuously power the camera using a power bank or wall adapter. Useful for extended shooting sessions or time-lapse photography.

About This Product

The USB power supply function allows the camera to be powered via USB, enabling extended shooting sessions without worrying about battery life. This is particularly useful for time-lapse photography and long video shoots.

Focus Peaking Function

Feature Description

A function that highlights areas in focus on the LCD screen or viewfinder. It assists with manual focusing, making it easier to achieve sharp focus. Helpful when using manual focus lenses or in challenging focusing situations.

About This Product

The focus peaking function highlights areas in focus on the LCD screen or viewfinder, assisting with manual focusing and ensuring sharp images when using manual focus lenses. This is helpful when using vintage lenses or in challenging focusing situations.

SHOPSTAFF Rating Score

#35

Ranked #35 out of 99 products in Category

4.6

Overall Rating

The Sony Alpha 7S III excels in low-light video and offers a versatile platform for hybrid shooting. It's a high-end model with a focus on video performance, suitable for professional use. Expect excellent image quality and robust build quality for years of use.

Image Sensor Size and Type

5.0

Rating Criteria Explanation

The image sensor is the heart of a mirrorless camera, and its size and type significantly impact image quality, especially in low-light conditions and dynamic range. Larger sensors, like full-frame sensors (approximately 36mm x 24mm), gather more light, resulting in cleaner images with less noise at higher ISO settings. They also offer shallower depth of field, which is desirable for portraits with blurred backgrounds. Other common sensor sizes include APS-C and Micro Four Thirds. APS-C sensors provide a good balance between image quality and camera size/cost, while Micro Four Thirds systems allow for very compact camera bodies and lenses. Consider your primary shooting scenarios – if you frequently shoot in dimly lit environments or prioritize shallow depth of field, a larger sensor is preferable. Sensor type (CMOS, BSI-CMOS) also matters, with newer BSI (Back-Side Illuminated) CMOS sensors generally offering improved low-light performance.

Rating Comments

The full-frame sensor with 12.1MP delivers exceptional low-light performance and a wide dynamic range, making it ideal for professional video and photography in challenging lighting conditions.

Megapixel Count

4.0

Rating Criteria Explanation

Megapixel count refers to the number of pixels that make up an image. While a higher megapixel count generally allows for larger prints and more cropping flexibility, it's not the only factor determining image quality. A camera with a lower megapixel count but a larger sensor can often produce better results than a camera with a higher megapixel count but a smaller sensor, especially in low light. For most users, a camera with 20-24 megapixels is sufficient for everyday photography and printing at common sizes. If you frequently crop your images heavily or need to create very large prints, then a higher megapixel count might be beneficial.

Rating Comments

While the 12.1MP resolution is lower than some competitors, it's optimized for low-light performance and video, providing ample detail for most video applications and standard print sizes.

Autofocus System

4.9

Rating Criteria Explanation

The autofocus (AF) system is crucial for capturing sharp images, especially of moving subjects. Key aspects to consider include the number of AF points, AF coverage (the area of the frame covered by AF points), and AF speed and accuracy. Modern mirrorless cameras often employ hybrid autofocus systems that combine phase-detection AF (fast and accurate for tracking moving subjects) and contrast-detection AF (precise for stationary subjects). Eye-detection AF, which automatically focuses on the subject's eyes, is also a valuable feature, particularly for portrait and wildlife photography. Consider the types of subjects you typically photograph – if you shoot a lot of sports or wildlife, a camera with a sophisticated AF system and excellent subject tracking capabilities is essential. The Panasonic LUMIX S9 features a Phase Hybrid AF, which should be very effective.

Rating Comments

The fast hybrid AF system with 759 phase detection points ensures quick and accurate focusing, even on moving subjects, making it reliable for both video and stills.

Image Stabilization

4.7

Rating Criteria Explanation

Image stabilization (IS) helps to reduce blur caused by camera shake, especially when shooting handheld in low light or at longer focal lengths. There are two main types of IS: in-body image stabilization (IBIS), where the sensor itself is stabilized, and lens-based IS, where the stabilization is built into the lens. IBIS is generally more effective because it works with any lens, while lens-based IS only works with lenses that have built-in stabilization. Some cameras offer a combination of both IBIS and lens-based IS for even greater stabilization. If you frequently shoot handheld or use lenses without built-in stabilization, a camera with IBIS is highly recommended. The LUMIX S9 features 'New Active I.S. Technology', which likely refers to a enhanced form of in-body image stabilization, a great addition for sharper images and smoother video.

Rating Comments

The sensor-shift image stabilization provides effective shake reduction, allowing for stable handheld shooting in low light and when using longer focal lengths.

Video Capabilities

5.0

Rating Criteria Explanation

Mirrorless cameras are increasingly popular for video recording, so it's important to consider their video capabilities. Key specifications to look for include maximum video resolution and frame rate (e.g., 4K/60p, 1080p/120p), bit depth and color sampling (e.g., 10-bit 4:2:2), and video codecs (e.g., H.264, H.265). Higher bit depths and color sampling allow for more flexibility in post-production color grading. Other important features include microphone and headphone jacks for audio recording, clean HDMI output for external recording, and video-specific autofocus features. If you plan to shoot a lot of video, research the camera's video specifications and consider purchasing accessories like an external microphone and monitor.

Rating Comments

The camera supports 4K 120p 10-bit 4:2:2 recording, offering professional-grade video quality and flexibility in post-production, making it a top choice for videographers.

Ergonomics and Handling

4.7

Rating Criteria Explanation

The ergonomics and handling of a camera are subjective but crucial for a comfortable shooting experience. Consider the size and weight of the camera, the placement of buttons and dials, and the grip. A camera that feels comfortable in your hand will be more enjoyable to use and will help you take better photos. Also consider the menu system and user interface, is it intuitive and easy to navigate? If possible, try holding the camera in person before purchasing it to see how it feels. Some cameras also offer customizable buttons and dials, allowing you to tailor the camera to your specific shooting style.

Rating Comments

The redesigned menu and vari-angle LCD screen improve usability, while the camera's build quality and button placement provide a comfortable shooting experience for extended periods.

Manufacturer Reliability and Warranty

4.5

Rating Criteria Explanation

The reliability of the manufacturer and the terms of the warranty are important considerations. A reputable manufacturer is more likely to produce a camera that is durable and performs consistently over time. A good warranty can protect you from unexpected repair costs if the camera malfunctions. Research the manufacturer's reputation for customer support and read reviews from other users to get an idea of their experiences. Check the warranty terms carefully to understand what is covered and for how long.

Rating Comments

Sony has a strong reputation for producing reliable cameras, and the included warranty provides peace of mind, ensuring long-term performance and support.

Cost Performance

4.0

Rating Criteria Explanation

Cost performance is the overall value you get for your money. Consider the features and performance of the camera relative to its price. A more expensive camera may offer better performance or more features, but it may not be the best value for your needs. Evaluate your budget and determine which features are most important to you. Read reviews and compare prices from different retailers to find the best deal. Also, remember to factor in the cost of lenses and other accessories when calculating the overall cost of the system.

Rating Comments

While expensive, the exceptional low-light performance and video capabilities justify the price for professionals and serious enthusiasts who require top-tier performance in demanding situations.

Brand & Manufacturer Details

Sony

Sony: Technology and innovation for high-quality electronics and entertainment products.

Considerations

High price point may be a barrier for some users.
Requires compatible lenses for full functionality.
Advanced features may require a learning curve.

Recommended For

Professional videographers
Serious hobbyists
Photographers needing excellent low-light performance

Not Recommended For

Beginner photographers
Users on a tight budget
Those prioritizing high megapixel count for stills

Suitable For

Low-light video recording
Professional film making
Event photography in challenging lighting

Not Suitable For

Fast-paced sports photography (due to lower megapixel count)
Entry-level users needing point and shoot simplicity
Situations where extremely high resolution stills are required

Frequently Asked Questions (FAQ)

Q.I'm looking for a camera that performs well in low light. How does the Alpha 7S III handle low-light conditions?

A.The Alpha 7S III excels in low-light conditions, featuring an all-new 12.1MP backside illuminated full-frame sensor with twice the readout speed for ultra-clean low-light images up to ISO 409,600. Staff confirmation notes its amazing low light performance, making it a top choice for shooting in dimly lit environments.

Q.I'm looking for a camera that performs well in low light. How does the Alpha 7S III handle low-light conditions?

Q.I need a camera for professional video work, particularly real estate videos. Is the Alpha 7S III suitable for this purpose?

A.Yes, the Alpha 7S III is highly suitable for professional video work, including real estate videos. It offers 4K 60fps capability and delivers excellent image quality. Staff confirmation highlights significant improvements in color, brightness, and detail compared to previous models, making it ideal for shooting house interiors even in ambient light.

Q.I need a camera for professional video work, particularly real estate videos. Is the Alpha 7S III suitable for this purpose?

Q.I plan to use the camera for both photos and videos. How is the autofocus performance of the Alpha 7S III, especially for tracking moving subjects?

A.The Alpha 7S III features Sony’s acclaimed fast hybrid autofocus with 759 phase detection AF points. Staff confirmation praises the industry-leading autofocus, including human eye focus and improved animal eye focus. It is capable of tracking subjects reliably, even in unpredictable situations, making it suitable for both photography and videography.

Q.I plan to use the camera for both photos and videos. How is the autofocus performance of the Alpha 7S III, especially for tracking moving subjects?

Q.I'm concerned about overheating during long video shoots. How does the Alpha 7S III manage heat?

A.The Alpha 7S III incorporates a unique Σ shaped graphite heatsink within the image stabilization unit, which dissipates heat effectively. Staff confirmation indicates no heat issues were observed even during high-speed video shooting in hot conditions. It ensures extended recording times without concerns about overheating.

Q.I'm concerned about overheating during long video shoots. How does the Alpha 7S III manage heat?

Q.What type of memory cards are compatible with the Alpha 7S III, and are they expensive?

A.The Alpha 7S III has two card slots that support both CFexpress Type A cards and SDXC UHS-II cards. While CFexpress Type A cards can be expensive, staff confirmation mentions that for most applications, a more affordable v60 SD card works flawlessly for 60fps recording with excellent 4K and 10-bit quality. This makes storage costs manageable.

Q.What type of memory cards are compatible with the Alpha 7S III, and are they expensive?

Q.I'm looking for a versatile camera that I can use for various types of photo and video work. Is the Alpha 7S III a good all-around option?

A.Yes, the Alpha 7S III is considered a versatile, best-in-class hybrid camera suitable for all kinds of photo and video work. Staff confirmation emphasizes its high-quality footage, amazing autofocus, and exceptional low light performance. It is often described as a one-stop shop for creators looking to take their craft to the next level.

Q.I'm looking for a versatile camera that I can use for various types of photo and video work. Is the Alpha 7S III a good all-around option?

Q.I don't want to spend a lot of time editing videos. Does the Alpha 7S III offer features that simplify the post-processing workflow?

A.Yes, the Alpha 7S III offers features that simplify post-processing. It supports 10-bit 4:2:2 recording, which provides greater flexibility in image grading, post-processing, and compositing. Additionally, it includes the S-Cinetone picture profile for a cinematic look, tone, and color in video, reducing the need for extensive editing.

Q.I don't want to spend a lot of time editing videos. Does the Alpha 7S III offer features that simplify the post-processing workflow?

SHOPSTAFF Rating Ranking

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$2,999(incl. tax)Amazon price as of 2025-08-26

The Canon EOS R5: a full-frame mirrorless camera with 8K video, 45MP sensor, and advanced autofocus.

Image Sensor Size	- mm	Effective Pixels	45 MP
ISO Range	100-51200	Shutter Speed	- sec
Image Stabilization	Sensor-shift	Continuous Shooting Speed	12 fps
Video Resolution	8K	Mount Type	RF
LCD Screen Size	- inch	Weight	- g

In-Body Image Stabilization FunctionEye Detection Autofocus FunctionTilting LCD Screen FunctionExternal Microphone Input FunctionUSB Power Supply FunctionFocus Peaking Function

4.9Overall Rating

5.0Image Sensor Size and Type

5.0Megapixel Count

5.0Autofocus System

5.0Image Stabilization

5.0Video Capabilities

4.8Ergonomics and Handling

4.8Manufacturer Reliability and Warranty

4.5Cost Performance

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Alpha 1 ILCE1/B Full-frame Interchangeable Lens Mirrorless Camera

$5,398(incl. tax)Amazon price as of 2025-08-26

The Sony Alpha 1: high-resolution, high-speed full-frame mirrorless camera for creators capturing the impossible.

Image Sensor Size	- mm	Effective Pixels	50.1 MP
ISO Range	50	Shutter Speed	- sec
Image Stabilization	Sensor-shift	Continuous Shooting Speed	30 fps
Video Resolution	8k 30p	Mount Type	Sony E
LCD Screen Size	- inch	Weight	- g

In-Body Image Stabilization FunctionEye Detection Autofocus FunctionTilting LCD Screen FunctionExternal Microphone Input FunctionUSB Power Supply FunctionFocus Peaking Function

4.8Overall Rating

5.0Image Sensor Size and Type

5.0Megapixel Count

5.0Autofocus System

5.0Image Stabilization

5.0Video Capabilities

4.8Ergonomics and Handling

4.5Manufacturer Reliability and Warranty

4.5Cost Performance

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EOS R5 Mark II RF24-105mm F4 L is USM Lens Kit

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EOS R5 Mark II RF24-105mm F4 L is USM Lens Kit

$5,199(incl. tax)Amazon price as of 2025-08-26

The Canon EOS R5 Mark II: a high-performance mirrorless camera with advanced features for stunning photos and videos.

Image Sensor Size	- mm	Effective Pixels	45 MP
ISO Range	-	Shutter Speed	- sec
Image Stabilization	Sensor-shift	Continuous Shooting Speed	30 fps
Video Resolution	8K	Mount Type	Canon RF
LCD Screen Size	- inch	Weight	- g

In-Body Image Stabilization FunctionEye Detection Autofocus FunctionTilting LCD Screen FunctionExternal Microphone Input FunctionUSB Power Supply FunctionFocus Peaking Function

4.8Overall Rating

5.0Image Sensor Size and Type

5.0Megapixel Count

5.0Autofocus System

4.7Image Stabilization

5.0Video Capabilities

4.8Ergonomics and Handling

4.8Manufacturer Reliability and Warranty

4.5Cost Performance

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EOS R1 Body

$6,799(incl. tax)Amazon price as of 2025-08-26

The Canon EOS R1 is a top-tier full-frame mirrorless camera designed for professional action photography.

Image Sensor Size	36 x 24 mm	Effective Pixels	24.2 MP
ISO Range	50-51200	Shutter Speed	- sec
Image Stabilization	Sensor-shift	Continuous Shooting Speed	40 fps
Video Resolution	6K/60p	Mount Type	Canon RF
LCD Screen Size	- inch	Weight	1134 g

In-Body Image Stabilization FunctionEye Detection Autofocus FunctionTilting LCD Screen FunctionExternal Microphone Input FunctionUSB Power Supply FunctionFocus Peaking Function

4.8Overall Rating

5.0Image Sensor Size and Type

4.8Megapixel Count

5.0Autofocus System

4.7Image Stabilization

5.0Video Capabilities

4.7Ergonomics and Handling

4.8Manufacturer Reliability and Warranty

4.5Cost Performance

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EOS R5 Mark II Body

$3,999(incl. tax)Amazon price as of 2025-08-26

The Canon EOS R5 Mark II: a high-performance mirrorless camera with advanced features for stunning photos and videos.

Image Sensor Size	36 x 24 mm	Effective Pixels	45 MP
ISO Range	50- -	Shutter Speed	- sec
Image Stabilization	Sensor-shift	Continuous Shooting Speed	30 fps
Video Resolution	8K	Mount Type	Canon RF
LCD Screen Size	- inch	Weight	680 g

In-Body Image Stabilization FunctionEye Detection Autofocus FunctionTilting LCD Screen FunctionExternal Microphone Input FunctionUSB Power Supply FunctionFocus Peaking Function

4.8Overall Rating

5.0Image Sensor Size and Type

5.0Megapixel Count

5.0Autofocus System

4.7Image Stabilization

5.0Video Capabilities

4.5Ergonomics and Handling

4.8Manufacturer Reliability and Warranty

4.5Cost Performance

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See more [2025 Edition] 99 Best Mirrorless Cameras! Selection Guide and Latest Models Introduction comparisons

Sony Alpha 7S III ILCE7SM3/B

Product Overview

Product Specifications

Size & Weight

Features

SHOPSTAFF Rating Score

Brand & Manufacturer Details

Considerations

Recommended For

Not Recommended For

Suitable For

Not Suitable For