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Comparison Blackmagic Pocket Cinema Camera 6K Pro vs Sony FX3 body

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Blackmagic Pocket Cinema Camera 6K Pro
Sony FX3 body
Blackmagic Pocket Cinema Camera 6K ProSony FX3 body
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Featuresprofessionalprofessional
Media typeflash (memory card)flash (memory card)
Sensor
Sensor typeCMOS
CMOS /Exmor R/
Sensor size
APS-C /Super 35/
APS-C
Number of megapixels12.9
Effective megapixels21.210.2
Camera lens
Interchangeable lens
Bayonet (mount)Canon EFSony E
Image stabilizationopticaloptical / electronic
Manual focus
Video shooting
Video resolution6144x3456 px3840x2160 px
Frame frequency
50 fps /120 frame/s at FHD/
120 fps
Recording formatsXAVC HS, XAVC S
Video recording speed135 Mbps, 81 Mbps, 51 Mbps, 34 Mbps
200 Mbps, 150 Mbps, 100 Mbps, 75 Mbps /45 Mbps, 16 Mbps/
Shutter speed1/4 – 1/8000 с
White balance
Auto, Daylight, Shade, Cloudy, Incandescent /fluorescent lighting, flash, underwater, colour temperature (2500-9900 K) and colour filter / custom settings/
Sound recordingLPCM 4 channels 48 kHz, 24 bits
Screen
Screen size5 "3 "
Screen resolution2073 K pixels1440 K pixels
Touch screen
Features
Features
 
built-in speaker
 
 
hot shoe
 
Wi-Fi module /802.11a/b/g/n/ac/
NFC
Memory and sockets
Memory card supportCFast card, SD cardCFexpress Type-A, SDXC UHS-I and UHS-II
Memory card slots22
Connectors
USB /Type C/
HDMI
microphone input
XLR microphone input
headphone jack
USB /Type C/
HDMI
microphone input
 
headphone jack
Battery
USB charging
Battery typeNP-F570NP-FZ100
Battery capacity2400 mAh2280 mAh
Battery life1 h
General
Dimensions (WxHxD)180x112x123 mm
Weight1238 g
Color
Added to E-Catalogapril 2021september 2021

Number of megapixels

The total number of individual photosensitive points (pixels) provided in the design of the sensor (1 megapixel corresponds to a million pixels). This parameter takes into account both those points on which the light falls, and service points that are not directly involved in the construction of the image. Therefore, in modern video cameras, it is more of a reference than practically significant; the actual image quality depends primarily on the number of effective megapixels (see below).

Effective megapixels

The number of light sensitive pixels directly involved in the construction of the image. These are the dots on which the “image” projected by the lens onto the matrix falls. In addition to them, there are also service pixels that are not illuminated during camera operation — they provide auxiliary information necessary for processing the resulting image. Also, when calculating effective megapixels, the reserve area required for electronic stabilization is usually not taken into account (see "Image Stabilization").

The value of the number of effective pixels for different modes of operation of the camcorder will also be different. For example, when recording video, many cameras use multiple pixels to build a single dot on the image; this is due to the fact that the sensor resolutions significantly exceed those required for video shooting (for example, the Full HD standard technically corresponds to only 2.07 megapixels). As a result, the image quality depends more on the sensor size (see above) than on the resolution. And among sensors of the same size, high resolution allows user to get better colour rendering and higher clarity (however, not always — a lot also depends on the peculiarities of image processing). If we are talking about photography, then more megapixels means a higher resolution of the resulting image, but the quality of such a picture can be relatively low due to the increased noise level and low sensitivity of each individual pixel.

Bayonet (mount)

Bayonet type — type of a mount for an interchangeable lens (see above) provided in the design of the camcorder. This paragraph specifies only standard mounts used in camera lenses; camcorders that are not compatible with such lenses usually use specialized mounts that have not gained wide popularity.

— Canon EF. Bayonet, originally designed for Canon EOS DSLR cameras; Recently, camcorders have also been produced under this brand. Optics for EF are also made by third-party manufacturers, but the mount itself is used exclusively in Canon technology, because. this standard is not open.

— Micro Four Thirds (4:3). This bayonet is part of a standard of the same name developed by Olympus and Panasonic primarily for mirrorless digital cameras. Used in Panasonic models because Olympus practically does not release "classic" camcorders.

— Sony E. Bayonet, created by Sony for branded devices; unlike all those described above, it was originally intended not only for cameras (mirrorless), but also for camcorders.

— PL-Mount. Mount used in professional video equipment. Its main feature is the ability to mount the lens in 4 different positions — straight, "upside down" and rotated 90° to the right or left. This expands the possibilities of using the camera. In addition, Pl-Mount is characterized by high connection reliability, which is important when working with massive high-end optics.

Image stabilization

An image stabilization method provided in the design of a video camera. The stabilization function itself is designed to compensate for small camera shakes so that they are not noticeable in the image. This is especially true when shooting handheld, and in fact most modern models are designed specifically for such usage. According to the method of work, there are such options:

Optical. A special mechanism with a system of gyroscopes and movable lenses, installed directly in the lens, is responsible for the operation of such stabilization systems. It introduces a correction for all tremors, vibrations, etc., and the “picture” falls on the already stabilized sensor. Optical systems are considered the most advanced and efficient, because. their work allows you to use the entire area of the sensor, fully exploit its capabilities and provide good image quality. Among the shortcomings, it is worth noting the increase in the cost and weight of the cameras, as well as a slight decrease in the reliability of the optics. At the same time, these moments are most often not critical, and stabilizers of this type can be used even in simple and inexpensive models.

— Electronic. Electronic stabilization is carried out due to the fact that not the entire area of the sensor, but only some of it, is involved in the formation of an image for a frame. Simply put, the camera electronics "takes into account" a certain area of the sensor and...transfers the image from it into the frame; and at small displacements, this "area of attention" is also displaced, due to which the visible image remains motionless. The advantages of electronic systems are simplicity of design, lightness, compactness and high reliability; they can be used with even the simplest lenses installed in pocket cameras (see “Features”). Their main disadvantage is the need to reserve a part of the sensor, which reduces the size and resolution of the actually involved area and adversely affects the image quality.

— Optical / electronic. In such systems, both the methods described above are used — both the mechanism in the lens and the reserve on the sensor. This provides extremely high vibration compensation efficiency — the image remains stable even in such conditions in which any single method would be useless. On the other hand, the disadvantages of both options also remain relevant, and the cost of cameras with this feature is quite high.

Video resolution

The maximum video resolution that the camera can capture. Resolution is the size of an image in points (pixels); usually it is written in two numbers, which correspond to the number of pixels horizontally and vertically.

The more pixels in the image — the clearer it is, the better you can see small details on it, however, the size of the video files increases accordingly. In addition, it is worth considering that in order to fully view the footage, you will need a screen of the appropriate resolution — otherwise all the advantages of the image will be negated. And this parameter also significantly affects the price of the device.

The smallest maximum resolution found in modern camcorders is about 720x480; the quality of such a "picture" can be compared with analogue television broadcasting. Resolution 1280x720 corresponds to the HD standard, it can be found among inexpensive TVs and monitors, and 1920x1080 (Full HD) is the most popular option among mid-range and top-class video devices. The maximum resolution used in modern consumer electronics (including camcorders) is 4K, 4096x2160; it is typical for the most advanced devices.

The vast majority of cameras are able to work not only with the maximum resolution, but also with several “more modest” options — for those cases where small file volumes are more important than high resolution.

Frame frequency

The highest frame rate provided by the camera when shooting video. The minimum frequency for normal viewing is the classic 24 fps used in cinema. At the same time, most modern video cameras are capable of providing up to 50 – 60 fps, and even higher frequencies can be used for the slow motion effect.

In fact, this indicator is important primarily when shooting dynamic scenes. The higher the frame rate, the smoother the fast motion will look in the frame, the less jerky it will be and the more pleasant the overall impression of the image will be. The reverse side of this is an increase in the size of recorded files (all other things being equal). Therefore, the frame rate can be made adjustable so that the operator can choose the best option for a particular situation.

Recording formats

Video file formats that the camera can use to store recorded footage. If you want to view these materials using a separate device (player, media centre, etc.), you should make sure that this player supports the appropriate formats, otherwise conversion may be necessary.

Video recording speed

The data transfer speed provided by the camera when recording video. This parameter is also called bitrate (i.e., the number of bits per unit of time). For any file format used for recording, the general rule is that the higher the bitrate, the better the image quality (especially for formats that use lossy compression). On the other hand, high speed have appropriate requirements for the capabilities of the memory cards used — for more details, see "Memory card support"; and it increases the size of the file accordingly. Therefore, many modern camcorders are able to work with different bitrates; this allows you to choose the best option depending on what is more important for you at the moment — maximum quality or the ability to work with a slow card.

At the same time, we note that in terms of quality, this parameter is important mainly for professional video shooting. If you need a camera for amateur purposes, there is no need to look for the maximum bitrate: after all, such models (and memory cards for them) cost accordingly.

Shutter speed

The range of shutter speeds in which the camera is capable of operating during the shooting process.

Initially, shutter speed is the time during which light affects the photosensitive material (film) when shooting a single frame. For digital sensors, this is the period of time during which an image is read from the sensor to build a separate frame. When shooting video, this interval cannot be more than 1/n, where n is the frame rate (see above), but it can be less — for example, shooting at a frame rate of 30 fps and shutter speed of each frame 1/60 s. There are no such restrictions for the photo mode.

Long exposures are good because they allow the sensor to take in more light — accordingly, the “picture” is brighter, which is especially important in low light. At the same time, they increase the likelihood of getting a blurry image — due to the rapid movement of objects in the frame, the operator's hand shaking and other random camera movements that even the stabilization system is unable to compensate for. This effect can be useful for artistic motion blur, especially when shooting video, but in photo mode it is most often undesirable. Fast shutter speeds, on the other hand, allow you to get clear shots, but with less light, and in the case of video, even with the effect of sharp, jerky movements.

Accordingly, different exposure time options will be optimal for each situation, and the wider their range, the more opportunities the came...ra has to adjust to specific conditions.
Blackmagic Pocket Cinema Camera 6K Pro often compared
Sony FX3 body often compared