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Sony

Sony a7 III ILCE7M3/B Full-Frame Mirrorless Interchangeable-Lens Camera with 3-Inch LCD, Body Only,Base Configuration,Black

  • Based on 2,298 reviews
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Style: Body Only


Set: Base


Features

  • Advanced 24.2MP BSI full frame Image Sensor w/ 1.8X readout speed.Aspect Ratio - 3:2, Headphone Terminal : Yes (3.5 mm Stereo minijack), Mic Terminal : Yes (3.5 mm Stereo minijack). Brightness Control (Viewfinder) : Auto/Manual (5 steps between -2 and +2).
  • 15 stop dynamic range, 14 bit uncompressed RAW, ISO 50 to 204,800. Compatible with Sony E mount lenses. Can be connected via Bluetooth with smartphones featuring (as of the date of release)- Android (Android 5.0 or later, Bluetooth 4.0 or later), iOS (Bluetooth 4.0 or later)
  • Up to 10fps silent or mechanical shutter with AE/AF tracking. Battery life (Still Images): Approx. 610 shots (Viewfinder) / approx. 710 shots (LCD monitor), battery life (Movie, continuous recording): Approx. 200 min (Viewfinder) / Approx. 210 min (LCD monitor)
  • 693 phase detection / 425 contrast AF points w/ 93 percent image coverage. Focus sensor: Exmor R CMOS sensor
  • In the box: Rechargeable battery (NP FZ100), AC adapter (AC UUD12), shoulder strap, body cap, Accessory shoe cap, Eyepiece cup, Micro USB cable. Metering type: 1200 zone evaluative metering

Description

Advanced 24.2MP Full frame Image Sensor w/ 1.8X readout speed Advanced 24.2MP Back Illuminated 35mm Full frame Image Sensor. Bluetooth Yes (Bluetooth Standard Ver. 4.1 (2.4 GHz band)). Compatible with Sony E mount lenses. External Flash Compatibility Sony α System Flash compatible with Multi Interface Shoe, attach the shoe adapter for flash compatible with Auto lock accessory shoe. Battery Life (Movie, actual recording): Approx. 115 min (Viewfinder) / Approx. 125 min (LCD monitor) (CIPA standard) Battery Life (Movie, continuous recording): Approx. 200 min (Viewfinder) / Approx. 210 min (LCD monitor) (CIPA standard) Battery Life (Still Images): Approx. 610 shots (Viewfinder) / approx. 710 shots (LCD monitor) (CIPA standard) Internal Battery Charge:Yes (Available with Multi/Micro USB Terminal or USB Type-C Terminal).

Compatible Mountings: Sony E (NEX)


Aspect Ratio: 169


Photo Sensor Technology: CMOS


Supported File Format: RAW


Image Stabilization: Optical


Maximum Focal Length: 35 Millimeters


Optical Zoom: 1 x


Maximum Aperture: 4 f


Expanded ISO Minimum: 50


Metering Description: Evaluative


Product Dimensions: 5 x 3.88 x 3 inches


Item Weight: 1.44 pounds


Item model number: ILCE7M3/B


Batteries: 1 Lithium Ion batteries required. (included)


Is Discontinued By Manufacturer: No


Date First Available: February 28, 2018


Manufacturer: Sony


Frequently asked questions

Full-Frame refers to the size of the image sensor used in the camera. The Sony a7 III features a full-frame sensor which is larger in size than the typical APS-C or crop sensor. This allows for better image quality, especially in low light conditions, because larger sensors can gather more light.

The title 'Body Only' indicates that this version of the Sony a7 III comes without a lens. You would need to purchase lenses separately. This gives you flexibility to choose the lenses that best suit your photography needs.

Mirrorless refers to the camera technology where the traditional mirror system used in DSLRs is removed. This allows for slimmer, lighter camera bodies and faster shooting rates. The Sony a7 III is a mirrorless camera, combining the smaller size of mirrorless technology with the image quality of a full-frame sensor.

The '3-Inch LCD' refers to the size of the camera's rear screen. It's a high-resolution display that can be used for framing your shots, reviewing pictures, navigating menus and more. Importantly, it does not have touchscreen capabilities.

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Top Amazon Reviews

🚀 Abunda's Overview

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

Upon analyzing the reviews, the Sony Camera appears to be an excellent choice for both professional and amateur photographers. It produces top-quality images and is recognized for its improved features which include dual recording ability, better color science, and great autofocus. However, some customers have reported defects and minor shortcomings, such as a questionable battery charger and a challenging auto focus mode.

Pros

  • 📸 Superb picture quality and high performance
  • 🔩 Excellent body design and construction
  • 👁️ Reliable autofocus system/li>
  • 🎛️ Customizable settings and buttons
  • 💡 Good for beginner and professional photographers

Cons

  • 🧩 Some users experienced issues with the product's autofocus
  • 🔋 Missing battery charger in one case
  • 🛠️ Certain features can be complicated for beginners
  • 🪛 Single UHS-II slot, limits the storage options

Should I Buy It?

The Sony Camera unquestionably excels in image quality and flexibility, making it suitable for both professionals and enthusiasts. The criticisms are largely minor and seem to be exceptions rather than the rule. Thus, if you're looking for high-quality results and are willing to navigate a learning curve with some of the features, then yes, you should buy it.

    • A Very Capable Camera Even in 2025
Style: Body Only Set: Base
Still a great camera in 2025 especially considering the economical price you can find it for. I have used it to take beautiful portrait photo shoots, a couple weddings, Milky Way galaxy photography, landscapes and beyond. Solid auto focus when shooting videos. Would love to have faster FPS and auto focus when shooting action shots but I also understand that this model predates a number of those advancements in mirrorless camera technology. ... show more
Reviewed in the United States on July 24, 2025 by Bailley Schmidt
    • Incredible
Style: w/ 28-70mm Set: Base
Review Image by Sean G. Sean G.
Review Image by Sean G. Sean G.
Review Image by Sean G. Sean G.
Review Image by Sean G. Sean G.
Review Image by Sean G. Sean G.
Truly a steal. I’ve been skeptical in the past buying used equipment, but this easily saved me hundreds with no decrease in product quality. It came essentially brand new and has been able to produce stunning photos out of nothing. I took it outside and quickly discovered two little hairs on the sensor, which I’m led to believe is why the original seller let it go. No issue to me, a $20 cleaning kit got rid of it. The photos it did appear in don’t at all feel ruined as I’ll just edit them out. Definitely my favorite purchase I’ve made, and I’d recommend it to anyone looking to make an equipment jump without spending an arm and leg. The colors are just great. Love it. ... show more
Reviewed in the United States on September 17, 2025 by Sean G. Sean G.
    • Super diverse
Style: w/ 28-70mm Set: Base
Love this camera, very diverse in what you want when it comes to pics or vids
Reviewed in the United States on December 15, 2025 by Ben
    • Won't be returning to Canon?!??! More than 10 year Canon and Nikon user.
Style: Body Only Set: Base
Review Image by Black Walnut Black Walnut
Review Image by Black Walnut Black Walnut
Review Image by Black Walnut Black Walnut
Review Image by Black Walnut Black Walnut
Review Image by Black Walnut Black Walnut
Review Image by Black Walnut Black Walnut
Okay, so it is hard for me to come to grips with this, but I don't think I am going to be returning to Canon or Nikon. The big, and basically only, CON: AUTO FOCUS - Okay, I'm really really on the fence about this, but I THINK I like the AF on this camera, mostly. To give you some perspective, I was mainly using two 5D Mark III cameras for my portrait work, as well as trying out a couple of Nikon D750s and the AF on all of those those was all I've ever wanted. With those cameras, I've never had any issues whatsoever with autofocus. It always worked, even in low light, whenever I wanted it. Now comparing the Sony A7III to those, using the Sigma adapter and Sigma and Canon glass, I've had MOSTLY great success. The EYE-AF is AMAZING for anytime that portrait sessions are going slowly/ people are not moving around too much. I get A LOT more keepers when that is the case. In my work, however, I really like to have movement. I find that I get more natural body poses when movement is going on, and both the regular AF and the EYE-AF don't work great when I'm snapping photos under those conditions. The camera can KIND OF focus when it is rapidly shooting, but it really seems to be a trade off - you either can focus, or you can shoot.... but not both at the same time like the Canon and Nikon excel at. I am VERY disappointed about that - that is the one thing that is keeping me on the fence. PRO's: EVERYTHING else on this camera is AMAZING. Here are some highlights that particularly excite me: 1) The customizability of the buttons - so much better than both Canon and Nikon. And it has even improved over the A7RII !!! :) 2) The dynamic range and how far you can pull the files is amazing. I attached a photo out of an airplane window that I accidentally took at 4 stops (!!!) below what you see. It was basically pitch black and my eyes could barely make out the ice below, but Sony, you're amazing, and this file came out great. 3) The Image Stabilization is legitimately amazing. I can do handheld shots with my 270mm (135 + 2x extender) handheld at about 1/50th of a second and get sharp results 90% of the time. 4) 10FPS is way more than I ever need as a portrait photographer.... but I kind of like it sometimes. :) Conclusion... So because the AF is not quiiite at the point where it is flawless in high frame rate shooting, I am still interested and willing to see what Canon and Nikon come out with. This camera is 90% of the perfect camera for me, and I could easily shoot it for the rest of my life... but it would be 100% perfect if the AF always worked in those fast movement/high frame rate kind of situations. ... show more
Reviewed in the United States on May 24, 2018 by Black Walnut Black Walnut
    • Best Camera for the money.
Style: w/ 28-70mm Set: Base
Was on a Canon RP camera before deciding to upgrade. Was nervous at first because of the fear of the item coming in broken. When I tell you, that I am beyond impressed with this Camera. From how well it functions, to the picture quality is superb, the image stabilization is top tier. The size is amazing too fitting perfectly on my hand. And above all else, how easy it is to handle. The battery life is also another plus, being able to shoot at least around 710 pictures in one charge. Definitely recommend! ... show more
Reviewed in the United States on September 16, 2025 by Felix Giusti
    • Worth it!
Style: w/ 28-70mm Set: Base
Very good quality and design. I’m very happy with this professional level camera.
Reviewed in the United States on December 9, 2025 by Jakob Steven Hardy
    • Pro level at an accessible price
Style: w/ 28-70mm Set: Base
Compared to the 2 Canon DSLRs I have owned in the past, it blows them out of the water in terms of auto focus speed and accuracy. For low light, I've never seen anything like it in the consumer market, not counting the A7s ii which I haven't tried yet. The version that I bought came with the kit lens and it's performance is fine. It's not the best to use for the ultimate low light capabilities, but it's reliable enough. Interestingly enough, the kit lens even has firmware that you can update. I have successfully used my Canon glass with it using a Simga MC-11 adapter. The Canon 17-40mm f4L and Canon 70-200 f2.8L focused quickly. My Sigma 8-16mm lens focused well, though it's meant for APS-C sensors. Oddly enough my Canon 50mm 1.4 paired with the A7iii and Sigma MC-11 takes about a minute or two before the aperature control is functional but once it kicks in, this combo turns night into day. I also use a 35mm 1.8 OSS Sony lens that I used with my a5100 and even though it puts it into APS-C mode which sacrifices quality, it's still good enough. I can even use my Canon 580ex ii successfully with this (manual mode/no HSS) with a Fomex flash trigger. The reason I bought this however was for video. 4k is stunning, though I have to say, plan for paying a but extra for a UHS-II card to get it to work. The S&Q setting is nice for switching over to slow-mo very quickly. The menu system is a bit much but at least it includes a lot of features that are missing with Canon. Battery performance is quite incredible. Overall, I can't see why this camera wouldn't satisfy most pros unless they work in a harsh environment in which case, the weather sealing probably won't be enough. The compact size of it though is nice when you don't want to draw attention. ... show more
Reviewed in the United States on August 28, 2018 by Thomas

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