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Sony ILCE7S/B Alpha a7S Mirrorless Digital Camera

    • Based on 116 reviews
Condition: Used - Good
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Color: Black


Set: Base


Features

  • This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day limited hardware warranty.
  • Screen Features: Tiltable TFT-LCD with 921K dots
  • Megapixels: 12.2MP
  • Image Resolution: 4240 x 2832

Compatible Mountings: Sony FE


Aspect Ratio: 32, 43


Photo Sensor Technology: CMOS


Supported File Format: JPEG (DCF 2.0, EXIF 2.3), RAW (ARW 2.3)


Image Stabilization: No


Maximum Focal Length: 70 Millimeters


Optical Zoom: 1


Maximum Aperture: 3.5 Millimeters


Expanded ISO Minimum: 50


Metering Description: Multi, Center-weighted, Spot


Camera Lens: 35 Mm


Maximum Focal Length: 70 Millimeters


Optical Zoom: 1


Digital Zoom: 2


Lens Type: 1/2-inch (1.3 cm) XGA OLED color electronic viewfinder (2,359,296 dots)


Night vision: Yes


Image Capture Type: Stills


Movie Mode: No


Shooting Modes: Aperture Priority, Auto, Manual, Program, Shutter Priority


Digital-Still: Yes


Built-In Media: Micro Usb Cable, Ac Adapter, Shoulder Strap, Sony Alpha A7S Mirrorless Digital Camera, Body Cap, Cable Protector


UPC: 027242881730


Age Range Description: Adult


Model Name: Sony Alpha a7S


Remote Included: No


Model Number: ILCE7S/B


Brand: Sony


Are Batteries Included: No


Display Type: LCD


Display Fixture Type: Tilting


Screen Size: 3 Inches


Display Resolution Maximum: 921000


Has Color Screen: Yes


Self Timer: 2 seconds, 10 seconds


Exposure Control: Program, Shutter priority, Aperture priority, Automatic


White Balance Settings: Auto, Daylight


Metering Methods: Multi, Center-weighted, Spot


Autofocus: Yes


Autofocus Points: 25


Focus Features: Contrast detect


Focus Type: Manual Focus


Auto Focus Technology: Center, Selective single-point, Face Detection, Multi-area, Single, Continuous, Live View, Contrast Detection


Focus Mode: Direct Manual Focus (DMF), Continuous-Servo AF (AF-C), Manual Focus (MF), Single-Servo AF (AF-S)


Memory Slots Available: 1


Flash Memory Bus Interface Type: SD


Flash Memory Type: SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo


Total USB Ports: 1


Connectivity Technology: NTSC


Total USB 2.0 Ports: 1


Wireless Technology: Yes


Video Output: HDMI


Battery Average Life: 380 Photos


Crop Factor: 1.0


Photo Sensor Resolution: 12.4 MP


Has Image Stabilization: Yes


MicrophoneTechnology: Stereo


Item Weight: 1.08 Pounds


Sensor Type: CMOS


Audio Input: Microphone


Viewfinder: Electronic


Expanded ISO Maximum: 409600


Long Exposure Shutter Mode: Bulb


Flash Modes: Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync, Wireless


Warranty Type: 12


Expanded ISO Minimum: 50


Flash Sync Speed: 1/250 sec


Battery Cell Type: Lithium Ion


Continuous Shooting: 5


Specific Uses For Product: Photography, Videography


Eye Relief: 27 Millimeters


Image stabilization: No


Audio Recording: Yes


Maximum Shutter Speed: 1/8000 seconds


Viewfinder Coverage Percentage: 1


Battery Weight: 2 Grams


Color: Black


Processor Description: Bionz X


Video Capture Format: h.264;mpeg-4


Skill Level: Professional


Viewfinder Magnification: 0.71x


Compatible Mountings: Sony FE


Aspect Ratio: 32, 43


JPEG Quality Level: Basic, Fine, Normal


Total Still Resolution: 12.2 MP


Supported Image Format: AVCHD, JPEG, MPEG-4, RAW


Bit Depth: 14 Bit


Effective Still Resolution: 12.2 MP


File Format: JPEG (DCF 2.0, EXIF 2.3), RAW (ARW 2.3)


Frequently asked questions

The Sony Alpha a7S is a mirrorless digital camera. It is known for its exceptional low-light capabilities because it features a 12.2 MP full-frame CMOS sensor. It also has a BIONZ X image processor and supports 4K video recording. Plus, it uses an E-mount system, which allows you to use various types of lenses.

The Sony Alpha a7S is equipped with a full-frame 12.2 MP sensor, designed to perform exceptionally well in low-light situations. The low pixel count on a full-frame sensor means that each pixel is larger, allowing it to capture more light and detail, leading to superior image quality even in poor lighting conditions.

Yes, the Sony Alpha a7S supports 4K video recording. However, please note that in order to record 4K video internally, an external SSD or other storage device is required. The camera supports the XAVC S codec, which provides high quality, professional-level footage.

The Sony Alpha a7S uses Sony's E-mount system, meaning it can accept both full-frame FE-series lenses and crop-frame E-series lenses. It's also compatible with A-mount lenses if you have an LA-EA3 or LA-EA4 adapter.

Similar Products

Top Amazon Reviews

🚀 Abunda's Overview

This is our summary and key points to consider based on customer reviews.

The Sony A7S camera is praised for its superb low light performance, reliable autofocus, and excellent dynamic range. However, it may require some time to master its functionalities due to its many settings. The 12MP images it produces, although of high quality, may not be sufficient for professional photographers looking to deliver larger images to clients.

Pros

  • 👍 Incredible low light performance
  • 👍 Dependable autofocus even in the dark
  • 👍 Excellent dynamic range allowing for vibrant and detailed images
  • 👍 Good build quality
  • 👍 Lightweight and compact, reducing strain during prolonged use

Cons

  • 👎 12MP image limit might not be adequate for professional needs
  • 👎 Requires time to master settings and functionalities
  • 👎 Battery life might require frequent changes
  • 👎 Autofocus might be slightly slower compared to some semi-pro DSLRs

Should I Buy It?

Considering its outstanding performance capabilities, the Sony A7S is a strong choice for both professional and amateur photographers looking for a reliable camera for shooting in low light. However, if you prefer delivering larger high-resolution images to your clients, the 12MP image limit might be a challenging factor.

    • 2019: A Good Specialty Camera for Photographers
Color: Black Set: Base
Review Image by Y. Wang Y. Wang
Review Image by Y. Wang Y. Wang
Review Image by Y. Wang Y. Wang
Review Image by Y. Wang Y. Wang
Review Image by Y. Wang Y. Wang
Review Image by Y. Wang Y. Wang
Review Image by Y. Wang Y. Wang
Review Image by Y. Wang Y. Wang
Review Image by Y. Wang Y. Wang
Review Image by Y. Wang Y. Wang
I am a professional photographer and I have owned every other A7 camera including A7, A7S, A7R, all the gen 2 versions and now the gen 3. I currently shoot on the A7riii. If you'r reading this review then you likely already know enough about what this camera's amazing low light performance and want to know if this camera is still relevant in 2019. The short answer is really depending on what you plan to use it for. At the $2,000 the answer is no for all scenarios. For $400 more you can purchase the A7sii and that's a significant upgrade which I will go into further below. However if you can find this camera for around $1,500 or less, then the answer is YES! If you're an advanced amateur or getting into the photography or the video business, then this is a great camera. It is small, light, and powerful in low light situations without having to own flashes and other light modifiers. For video, most videographers will need a gimbal for smoothing out shake anyways so having IBIS (from the A7sii) may be redundant for your purposes and you can save some money with this camera. However if you are a working video professional, then most likely you should skip over this generation and go for the A7sii or the A7iii for 4k and 6k downsampling capabilities. However if you need a backup camera or a camera for personal projects, it still holds its value well. I used this camera mostly for photography stills as a backup for my A7rii. While this camera is primarily geared towards video, in my experience shooting stills with this camera is great despite what others may tell you about autofocus and video. It's definitely not a main camera for photo stills (12MP is too low to deliver to a client) but works well as a secondary or backup camera for low light situations. Even today the A7s holds up well as being a legendary low light king that's unmatched by few others. Possibly the reason why the price is still around $2000 is because there's no other camera out on the market besides the mark 2 that can match the same type of low light performance. The A7Sii is essentially the same camera with 1 stop better low light ISO performance in a better body with IBIS. The IBIS may not directly affect image quality but it allows for far longer hand held stills and smoother video so that it essentially boosts the low light image quality by leaps. Low light - This is this camera's strongest selling point. Low light beast. This camera will shoot in situation that no other camera can shoot in, and shoot it cleanly. People who don't know about this camera are constantly asking me to "turn on the flash" or "you'll never get that photo" and then are amazed when I show them the results. Simply put this camera is superb in producing "natural light" photos in low light without the distracting flash or harsh flash lighting. It's a unique look that few other cameras can really replicate. Dynamic Range - This camera has amazing dynamic range. It's like having layers and layers of color and data hidden under each fold. You can literally shoot once and bring out colors and details you never thought were there. The files are extremely malleable for editing. This is especially true for shooting in low light. Low light shadows and dark areas can almost ALWAYS be brought up for additional details hidden in the shadow. AF - this is the main concern most people have with using this camera for stills. True, this camera has no phase detection AF and it's all contrast detection. However it's AMAZING contrast detection. I've honestly never had issues with it as it is fast, accurate, and works in the dark. The camera was made for low light use so consequentially the sensor's ability to see in the dark and focus in the dark is excellent. I've had cameras like the A7rii and A7ii which have hundreds of "advanced hybrid PDAF/CD" sensors utterly fail in low light. The A7s is always dependable in seeing where sometimes your eyes can't. Battery - The gen 1 and gen 2 A7 cameras all have issues with battery life. It's a consequence of the small W batteries and it wasn't addressed until the gen 3 Z type batteries were introduced. But for stills photography where you don't need the camera to be on for 30 min at a time, it was sufficient with a second backup battery. When shooting video you have the camera on for hours at a time filming and will need to attach a second screen, mic, and extra batteries. For photos, get into the habit of turning the camera off when not shooting and turn it back on when you're ready to shoot. Megapixels and Image quality. This is my primary issue with the camera. 12 megapixels. Even though it's 12 beautiful megapixels, it is unfortunately not enough. 12MP is the size iphone cameras shoot these days. I am constantly wishing there was JUST BIT MORE megapixels squeezed in there to play around with. Often it comes when I need to crop photos down for better composition. I shot this in tandem with a A7rii and I could crop the hell out of the A7rii's 42MP files to get to my liking. The A7s's 12mp files are almost at the limit of what's deliverable to the client. Cropping even 20% gives you 9MP which is understandably tiny. The standard in the industry is 24 megapixels and 12 is too little to deliver to a client. Furthermore, used with beautiful Sony G Master lenses you really can't make proper use of the lens's resolving ability. Small tiny details and textures are lost because the 12MP sensor can't record all the details. However with 12MP you have nearly unlimited image storage with a 64gb card size. The file sizes are tiny, under 16mb per file as RAWs. For things like Instagram where you're limited to a 1080x1080 size, then it's good enough, but for anything serious, it won't be. At the end of the day you want to know if you should buy this camera. At $2000, the answer is no. For $400 more you can get the A7sii which with IBIS makes a lot more sense to a photographer or videographer. However around $1500 it's definitely worth it as a backup camera or a main camera for an aspiring photographer or videographer. I would say get one just to experience how good a true low light camera can be! ***If this review was helpful, please give me a helpful vote! Thanks! ... show more
Reviewed in the United States on January 8, 2019 by Y. Wang Y. Wang
    • The Low-light / Street / Video Beast
Color: Black Set: Base
I had little interest in this camera when it was first announced, but after reading some of the reviews I decided to give it a chance. I was hesitant for the obvious reason: 12 MP. What is this, 2008? I understand why having fewer, larger pixels results in better high-ISO performance, but the previously reigning low-light king (according to DxOMark), the Nikon Df, has 16 MP, so 12 seemed a little stingy. As a street photographer who often shoots from the hip, literally, I like to have the option to crop, and 12 MP would leave me precious little margin for error. First, the bad: Yes, 12 MP is limiting. People who tell you otherwise are either being disingenuous or only do photography where there's plenty of time to compose and adjust zoom or get closer as necessary. Any photography that demands capturing fleeting moments, including street and wedding, is going to suffer from the cropping constraints. And yet, I still consider this the full-frame street photography king for two reasons: High ISO performance and the silent shutter option. I'm not interested in making night look like day, but the high-ISO performance allows me to use faster shutter speeds and greater depth of field so my subjects are neither blurry nor out of focus. I've never used any images above 6400 from the other cameras I've recently owned (D800, A7, E-M5), but with this camera I feel comfortable using 12800 and even 25600. People who say images are "usable" up to 51,200 probably have a different definition of usable than I do. Some claim the noise on this camera has a film grain quality to it; I think all digital noise is ugly, and if I want grain I can add it in post. Good thing there's just less noise with this sensor. You may have seen the High-ISO shootout on the famous review website that begins with DP. Of course I could always use the 36 MP images from my D800 and shrink and normalize to 12 MP and get noise that's only a little worse than the A7S, but the D800 isn't very discreet on the street. I could get an A7R and try the same thing, but again, the shutter noise... And discretion is another area where the A7S shines, both in its size and its electronic silent shutter option. I love the silent shutter on my RX100 and the very quiet E-M5 and Ricoh GR shutters. The A7S silent shutter is completely silent, as advertised. This opens up new worlds of possibility for close-quarter street photography, and was decisive in my decision to keep this camera. Just note that you will get rolling shutter effects if the camera is moving fast or with things like lightning. In such cases you can switch back to the regular or electronic first curtain shutter. Autofocus performance is as good or better than that of my A7, especially in low light. This is puzzling because the A7 has hybrid phase detection whereas the A7S only uses contrast detection. I assume the smaller number of pixels and better processing/implementation are responsible for that discrepancy. It's too early to say how 4K video will stack up against the GH4 since the Atomos Shogun isn't available yet. If I were a dedicated videographer just starting out I would probably buy the GH4, but for somebody who is already invested in FE-mount lenses this A7S is the obvious way to go. If you only need 1080p this camera is overkill--the A6000 and other cameras shoot very nice 1080p for a fraction of the price. THE BOTTOM LINE: Speaking of price, this camera is not cheap. At current street prices it's a full thousand dollars more than the A7 body, and the A7 is already a very good camera that has double the pixel count. So, should you buy it? I would say yes only if you need at least TWO of the three things at which it excels. Low-light video? ABSOLUTELY. Low-light street photography? YES. But if you only need excellence in ONE area, or do a different kind of photography, there are cheaper and/or better options. This will replace the A7 as my street photography staple, but I'll hold on to my D800 for high-res applications until the next iteration of the A7R addresses some of that camera's lingering issues, at which point I may go all in with Sony's full-frame mirrorless system. Maintaining two systems is expensive and inefficient, and I really think Canikon are losing the future by not recognizing that mirrorless is it. ... show more
Reviewed in the United States on July 11, 2014 by spheremusic
    • Great camera, works perfect in low light, takes time to master all of the functions.
Color: Black Set: Base
Review Image by Michael Lester Michael Lester
Review Image by Michael Lester Michael Lester
Review Image by Michael Lester Michael Lester
The sony A7S camera is absolutely amazing. It shoots wonderfully in low light. I bought this product used and it came with everything you would have expected. It was even wrapped up nicely in a foam sleeve. The sensor was spotless and no signs of wear and tear. The strap was never opened. As soon as I started working with the camera I fell in love with it. It practically sees in the dark. Buyer beware tho, the camera does everything and packing everything into a small interface means there are allot of settings that do not seem apparent out of the box. Sony has an app store that allows developers the ability to build in extra functions, but it ships missing a few key features. You must download an app to perform time lapse photography. Once in this app you have to exit the app to return to normal shooting. Not a deal breaker, but kind of annoying especially since I'm an amateur photographer and when I'm shooting, I want to be taking shots not setting up the camera. As far as customization, the A7S does allow you to set up 3 buttons to match your shooting style, putting features you use most at your fingertips. All in all, grab a few lenses and this camera will take care of the rest. All photos below shot on a ZYKKOR WIDE ANGLE 28MM F2.8 with a MD>E-Mount adapter. http://www.amazon.com/gp/product/B00E5T5BJW?psc=1&redirect=true&ref_=oh_aui_detailpage_o01_s00 ... show more
Reviewed in the United States on January 5, 2016 by Michael Lester Michael Lester

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