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Detailed Comparison Of The Sony A7 III And The Sony A7r III Cameras.
Detailed Comparison Of The Sony A7 III And The Sony A7r III Cameras.
กลุ่ม: สมาชิก
เข้าร่วม: 2022-02-27
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Despite this, it will still provide everything that enthusiast video shooters want, including 4K resolution at up to 30 frames per second and 1080p resolution at up to 120 frames per second (for amazing slow-motion action sequences!) In addition, the a7R III has a dynamic range of over 15 stops, making it an excellent choice for landscape photographers in particular. As a result, for a genre like as street photography or wedding photography, where greater burst modes are very beneficial but not needed, any of these models will suffice. However, even with continuous focusing, the a7 III and a7R III are capable of shooting at 10 frames per second, which is rather outstanding. Despite the fact that it does not feature the most advanced tracking algorithms available in some of Sony's more recent camera models, the Real-Time Eye AF is still very useful for portraiture.

 

 

The settings in the center are a decent compromise that can be used in a variety of circumstances, such as football, where you have to deal with a little bit of everything. An region that operates with nine groups and that can be transferred to multiple locations is called a zone. A subject may be locked onto and tracked over the full frame with Lock-On AF, with the AF points moving automatically.

 

 

It is necessary for the image to be crisp in order for 42MP stills and 4K video to be usable. It is equipped with Sony's renowned five-axis stabilization technology, which when combined with optically stabilized lenses combines three axes on the sensor and two axes inside the lens to provide stabilization. However, although the A7R's official specification for this is 5.5EV, this isn't much better than the A7 III's rating of 5EV. Personally, unless I was using an APS-C lens, I would prefer to crop in post-processing rather than utilizing APS-C mode on any of the cameras mentioned above. Despite the fact that both cameras have similar ports, the a7R III adds an additional flash sync port for use with studio flash units and other external lighting equipment.

 

 

When you see how successfully the cameras can retain these "dancing" green pointers on a subject, even when the subject is in a high backlight setting like the rider in the video below, you'll be amazed. Although I haven't detected a significant difference between the two cameras, the A7 III's increased number of phase detection points may allow it to be more accurate in these types of scenarios. Another little change I saw was with Auto White Balance, which on the A7R III might occasionally be a little colder than on the A7. The Priority Set is the same on both cameras, as is the rest of the configuration. In the AWB option, you have the choice of prioritizing the color tone of the light source or the color white instead.

 

 

 

 

The fact that both cameras are splash and dust resistant should be noted in this light; as a result, they may be utilized in adverse weather conditions or in tough locations. Unfortunately, while working with the entire width of the sensor in 4K, the a7R III resorts to pixel binning in order to save space on the sensor. While you will still be able to capture usable video, the quality of your recordings will be significantly reduced when compared to downsampled material.

 

 

Typically, retail prices remain close to the launch price for the first few months, but after a few months, reductions become available. Further discounting and stock clearing discounts are commonplace later in the product cycle, and particularly when the successor model is ready to be introduced. As a result, the camera price is often reduced by a significant amount. There are four generations of Sony's flagship a7 full-frame mirrorless camera model, and the Sony a7 IV is the most technologically sophisticated of them all. Continue reading for an in-depth look at Sony's newest full-frame mirrorless interchangeable lens camera. On the other side, you get photographs that are almost similar in dynamic range to those captured by the a7R III, as well as shots that are better at high ISO.

 

 

However, due to the bigger 42 megapixel sensor in the a7R III, when you use this camera in APS-C mode, the maximum picture size will be 18 megapixels (5168 x 3448) due to the larger 42 megapixel sensor. The photographs that follow provide an example of a comparison of the AF regions between the two cameras in action. The phase detection points and sensor coverage area are shown in green squares, while the contrast detection points and sensor coverage area are shown in blue squares. There are no significant technological differences in the video specs of these two cameras. Both cameras are capable of capturing 4K video in full frame width utilizing oversampling rather than pixel binning in order to preserve great picture quality.

 

 

A few options allow you to choose whether or not the square frame that appears on the screen when the camera detects a face is shown, as well as whether or not metering on the detected face is prioritized when the Multi metering mode is enabled. You may also register up to 8 faces to give them precedence in images with numerous individuals, and you can adjust the priority order amongst the faces you've already registered. Comparing the two cameras' tracking and focusing speeds to their predecessors, there has been an estimated 2x increase in tracking and focusing performance. To increase accuracy and speed, the Expand Flexible Spot employs a tiny contrast detection point, as well as phase detection points around it.

 

 

The A7R III, on the other hand, has a battery life of between 530 and 650 shots, which isn't nearly as impressive. Photographers will like the excellent picture quality, the dynamic range, which is quite similar to that of the "R" model, and the improved high ISO performance for both stills and video. When recording at that speed, you have the option to either record at that speed natively or slow it down in camera to record slow motion results at 24p or 30p straight to your SD card. For the latter, you must utilize the Slow&Quick mode, which enables you to choose frame rates ranging from 1 frame per second to 120 frames per second.

 

 

 

 

It comes with a 2.36 million dot, 0.78x OLED electronic viewfinder that appears sharp and will serve you well in the field. On the a7R III and the a7 III, you'll also receive around 5 stops of image stabilization, which is extremely handy when shooting handheld in low light conditions. In terms of size, the Sony Alpha 7 III and the Sony Alpha a7R III are both rather compact cameras that don't seem too tiny in your hands after a couple of hours of shooting. As a result, they feel comfortable in your hands for long periods of time.

 

 

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