Are you looking for the best camera to suit your needs? Due to a wide range of options, making a wise and weighted decision can be rather challenging. Which specs to keep in mind? What are the key pros and cons of each model? This comparison should give some helpful hints!
The goal of this overview is to provide a detailed comparison of two popular camera models from Pro Mirrorless category, introduced by Sony. We are going to take a closer look at the technical and physical characteristics, features, and performance. The models we are going to assess and compare in this review are Alpha A7 and Alpha A7 III. The models we are going to compare in our review have different sensors. Sony Alpha A7 features a CMOS sensor that has a resolution of 24.0 MP. Sony Alpha A7 III, on the contrary, has a different BSI-CMOS sensor with 24.0 MP resolution.
Now, before we can move on to our comparison, let's take a moment to look at the key characteristics of Sony Alpha A7 and Sony Alpha A7 III.
Sony Alpha A7 Key Features:
Sony Alpha A7 III Key Features:
|Sensor Area||855.62 mm2 vs 852.04 mm2||0.4% larger pixel area|
|Screen Resolution||1,230k dots vs 922k dots||25% higher resolution screen|
|Weight||474 g vs 650 g||176 g lighter|
|Bluetooth||Yes vs No||Connect your camera to other devices via Bluetooth|
|Storage Slots||2 vs 1||Extra storage slot|
|Image Stabilization||Yes vs No||All lenses are stabilized|
|Continuous Shooting||10 fps vs 5 fps||5 fps faster|
|Number Of Focus Points||693 vs 117||576 more focus points|
|Touch Screen||Yes vs No||Easy control of camera functions|
|Battery Life||610 shots vs 340 shots||270 more frames with a single charge|
|Max Video Resolution||3840 x 2160 vs 1920 x 1080||Higher Resolution Video|
|Dxo Color Depth||25 vs 24.8||Better color depth|
|Dxo Dynamic Range||14.7 vs 14.2||Better dynamic range|
|Dxo Low Light Iso||3730 vs 2248||Better High ISO performance|
|Viewfinder Magnification||0.78 vs 0.71||0.07 better magnification|
|Screen Size||3″ | 3″||Large display|
|Screen Type||Tilting | Tilting||Help viewing and changing settings easily|
|Viewfinder||Electronic | Electronic||Better framing and control|
|Raw Support||Yes | Yes||Better image quality|
|Sensor Resolution||24.0 MP | 24.0 MP||Bigger prints and more details|
|AutoFocus Face Detection||Yes | Yes||Very handy for portraits|
|Microphone Port||Yes | Yes||High quality audio recording option|
|Headphone Port||Yes | Yes||Better video control|
|Bracketing||Yes | Yes||Useful for tough lighting conditions and HDR|
|Flash Sync Port||Yes | Yes||Port for Flash Sync|
|Environmental Sealing||Yes | Yes||Shoot at tough conditions|
|Timelapse Recording||Yes | Yes||No timelapse recording|
|Built-In Flash||No | No||No built-in flash|
Before heading straight to the technical characteristics of each model, let’s start with comparing their physical specs. Let’s start with looking at the physical difference of the two products. Below are images that clearly show the sizes of Sony Alpha A7 and Sony Alpha A7 III from the front view.
Now, let’s go on and see how the reviewed models are different or similar by the top view.
After looking at these images, you should get a clear idea of each model’s dimensions and how they are different from each other. However, we are not going to stop there. The next characteristic worth looking at is the weight. Of course, not every photographer is concerned about the weight, for example, it wouldn't be a decisive point for those who shoot in a studio. However, it is still an important factor because if you happen to go on a long photo session or just love having the camera with you wherever you go, you want to be sure that the chosen model isn't too heavy.
Speaking of weight, Sony Alpha A7 is a lighter option of these two, as it weights 176g less than the Sony Alpha A7 III. This difference, in fact, can become a significant disadvantage for the photographers, who prefer to have their cameras with them wherever they go.
Sensor is, without a doubt, the most significant element of every digital camera. Its type, size, and resolution are the factors that define the quality of future shots. Thus, it is barely possible to pick a suitable camera without looking at these specs.
Are Sony Alpha A7 and Sony Alpha A7 III any different in terms of sensor type?
Take a look below to find the comparison of Sony Alpha A7 and Sony Alpha A7 III by the size of their sensors.
Sony Alpha A7 and Sony Alpha A7 III are identical by this indicator, as each feature a sensor of the same size. Thus, both cameras will provide the same level of control in terms of the depth of field if you use them with the same focal length and aperture.
If you are interested in photography or has made a career in this field, you should know that different types of shooting actually require different camera characteristics. While one model can produce outstanding portraits, at the same time, it can be terrible for shooting landscapes, and so on. Thus, before you purchase a specific camera, it is vital to decide, which type of shooting you do most often and consider an option that suits it the most.
This section of our comparison is devoted to the performance of Sony Alpha A7 and Sony Alpha A7 III in different fields of photography. Here we are going to look at the five main areas and evaluate how well each of the reviewed models performs in them. This will help you choose an option that suits your needs the most depending on your interest in one or several of these fields.
|Photography Type||Sony Alpha A7||Sony Alpha A7 III|
Disadvantages:No Significant Disadvantages
Disadvantages:No Significant Disadvantages
Disadvantages:No Significant Disadvantages
Hopefully, our detailed overview of these models has helped you consider all the main specs, pros and cons of each cameras. Maybe, after reading this comparison, some of you have already decided which option to opt for depending on your needs and preferences. However, if you are still wondering which option is a better choice, Sony Alpha A7 or Sony Alpha A7 III, below you can see what scores each of them received in five different aspects. To wrap up, we have used our unique Decision Algorithm that assesses different camera models upon 63 different factors including their price, and, if possible, DxO Mark scores. This algorithm allows us to make our verdict more consistent and objective.
What is our final verdict? Based on our comparison and the final scores of Sony Alpha A7 and Sony Alpha A7 III here is what we can say in conclusion:
According all the factors that we considered in the process of comparing these two cameras, Sony Alpha A7 deserves a higher Total Score than the Sony Alpha A7 III. Thus, if you are choosing between these options, we would recommend you to choose the first model over the other one.
For better understanding of each model’s technical characteristics, find the detailed comparison below:
|Sony Alpha A7||Sony Alpha A7 III|
|Model||Alpha A7||Alpha A7 III|
|Announced||Jan 22, 2014||Feb 27, 2018|
|Body Type||SLR-style mirrorless||SLR-style mirrorless|
|Sensor Size||Full frame||Full frame|
|Sensor Dimensions||35.8 x 23.9 mm||35.8 x 23.8 mm|
|Sensor Area||855.62 mm2||852.04 mm2|
|Sensor Resolution||24.0 MP||24.0 MP|
|Max Image Resolution||6000 x 4000||6000 x 4000|
|Max Native ISO||25,600||51,200|
|Max Boosted ISO||n/a||204,800|
|Min Native ISO||100||100|
|Lens Mount||Sony E||Sony E|
|Number of Lenses||83||83|
|Focal Length Multiplier||1x||1x|
|Macro Focus Range|
|AF Multi Area|
|AF Live View|
|AF Face Detection|
|AF Contrast Detection|
|AF Phase Detection|
|Number of Focus Points||117||693|
|Number of Cross Focus Points||25||n/a|
|Screen Resolution||1,230k dots||922k dots|
|ViewFinder Resolution||2,359k dots||2,359k dots|
|Min Shutter Speed||30 s||30 s|
|Max Shutter Speed||1/8000 s||1/8000 s|
|Continuous Shooting||5.0 fps||10.0 fps|
|Manual Exposure Mode|
|Custom White Balance|
|Flash Modes||no built-in flash||no built-in flash|
|DxO Sensor Scores|
|DxO Sensor Score||90||96|
|DxO Color Depth||24.8||25.0|
|DxO Dynamic Range||14.2||14.7|
|DxO Low Light ISO||2248||3730|
|Video Resolutions||1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)||3840 x 2160 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)|
|Max Video Resolution||1920 x 1080||3840 x 2160|
|Video Formats||MPEG-4, AVCHD||MPEG-4, AVCHD, XAVC S, H.264|
|USB||USB 2.0||USB 1|
|Weight||474 g||650 g|
|Physical Dimensions||127 x 94 x 48 mm||127 x 96 x 74 mm|
|Battery Life||340 shots||610 shots|
|Battery Type||Battery Pack||Battery Pack|
|Storage Type||SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo||SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo|