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Comparison Canon XA30 vs Canon XA20

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Canon XA30
Canon XA20
Canon XA30Canon XA20
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Featuresprofessionalprofessional
Media typeflash (memory card)flash (memory card)
Sensor
Sensor typeCMOSCMOS
Sensor size1/2.84"1/2.9"
Number of megapixels3.093.09
Effective megapixels2.912.91
Camera lens
Focal length (35mm equivalent)28.8 – 576 mm26.8 — 576 mm
Aperturef/1.8 — f/8f/1.8 - f/2.8
Optical zoom20 х20 х
Digital zoom400 х400 х
Image stabilizationoptical / electronicoptical / electronic
Filter diameter58 mm58 mm
Manual focus
Video shooting
Video resolution1920x1080 px1920x1080 px
Frame frequency50 fps50 fps
Recording formatsAVCHD, MP4AVCHD, MP4
Video recording speed
35 Mbps, 28 Mbps, 24 Mbps, 17 Mbps /5 Mbps, 4 Mbps, 3 Mbps/
35 Mbps, 28 Mbps, 24 Mbps, 17 Mbps /5 Mbps, 4 Mbps, 3 Mbps/
Minimum illuminance0.1 lux0.1 lux
Night shooting
Shutter speed1/6—1/2000 с1/6—1/2000 с
White balance
auto, setting 1, setting 2, daylight, shade, cloudy /incandescent lamp, fluorescent lamp, high temperature fluorescent lamp, manual/
auto, setting 1, setting 2, daylight, shade, cloudy /incandescent lamp, fluorescent lamp, high temperature fluorescent lamp, manual/
Auto exposure1414
Scene programmes
auto, P, Tv, Av, M, portrait, sports, snow /beach, sunset, night, low light, spotlight, fireworks/
auto, P, Tv, Av, M, portrait, sports, snow /beach, sunset, night, low light, spotlight, fireworks/
Pre-recording (Pre-Rec)
Sound recordingDolby Digital (AC-3) 2 channels, 48 kHz2-channel Dolby Digital (AC-3)
Photo
Number of megapixels2.072.07
Max. photo size1920x1080 px1920x1080 px
Picture while shooting
Screen
Screen size3.5 "3.5 "
Screen resolution1230 K pixels1230 K pixels
Touch screen
Features
Features
viewfinder
hot shoe
built-in speaker
Wi-Fi module
GPS module
detachable microphone
viewfinder
hot shoe
built-in speaker
Wi-Fi module
GPS module
detachable microphone
Memory and sockets
Memory card supportSD, SDHC, SDXCSD, SDHC, SDXC
Memory card slots22
Connectors
USB
HDMI
AV output
microphone input
XLR microphone input
headphone jack /2 pcs/
USB
HDMI
AV output
microphone input
XLR microphone input /2 pcs/
headphone jack
Battery
Battery typeBP-820BP-820
Battery capacity1780 mAh1780 mAh
Battery life2.25 h2.25 h
General
Remote control
Dimensions (WxHxD)
131x180x231 mm /fully equipped/
109x84x182 mm /without microphone holder and lens hood/
Weight
1155 g /fully equipped/
1155 g /fully equipped/
Color
Added to E-Catalogfebruary 2016june 2013

Sensor size

The physical size of the camcorder sensor. It is usually measured diagonally and is indicated in fractions of an inch — for example, 1/3 "or 1/2.33" (the second option is larger, respectively). In addition, sensors of a “photographic” format can be installed in video cameras, in which case the corresponding designation is used — for example, APS-C.

The larger the sensor, the higher the image quality it can provide (all else being equal). This is due to the fact that on larger sensors, each individual pixel is larger, more light falls on it, which increases sensitivity and reduces noise; this is especially important for shooting in low light. For amateur purposes, small sensors are quite enough, but in professional cameras (see "Features") this parameter is at least 1/3". The exception, however, are models with several sensors (see "Number of sensors") in them each individual sensor is quite small, and high quality is ensured by image processing features.

Focal length (35mm equivalent)

Focal length of a standard video camera lens in terms of a 35 mm full-frame sensor. This parameter is also called the "equivalent focal length" — EFL.

The focal length itself is the distance from the optical centre of the lens (when focus to infinity) to the sensor, at which the sharpest image is obtained on the sensor. It is one of the key characteristics of any lens, because. determines the viewing angles, the degree of approximation and, accordingly, the specifics of the use of optics. At the same time, it is impossible to compare different options in terms of the actual focal length: the laws of physics are such that with different sizes of sensors, the same focal length will give different viewing angles. Therefore, EFL was adopted as a universal characteristic and criterion for comparison. It can be described as the focal length that a 35mm lens with the same viewing angles would have.

The larger the focal length, the narrower the viewing angle will be and the higher the degree of approximation of the visible scene. Optics with EFL up to 18 mm belongs to the class of ultra wide-angle ("fisheye") and is used primarily to create artistic effects. Distances up to 40 mm correspond to "wide angles", 50 mm gives the same degree of approximation as that of the naked eye, the range of 70-100 mm is considered optimal for portrait shooting, and large values allow the use of optics already as a telephoto lens. Knowing these provisions, one can approximately...evaluate the capabilities of the lens and its suitability for certain tasks; there are more detailed recommendations, they are described in special sources.

Also note that modern video cameras are usually equipped with lenses with a variable focal length (zoom), which allows you to change the degree of approximation and viewing angle; see "Optical Zoom" for details.

Aperture

Aperture of a standard video camera lens.

This parameter describes how much the lens attenuates the light output. Usually it is written as a ratio between the diameter of the active hole and the focal length of the lens, while the first value is taken as one and denoted as f — for example, f/1.8 or f/5.6. Moreover, the smaller the number in such a record, the higher the aperture ratio: for example, in our example, the first option is “lighter” than the second. Also note that most lenses with a variable focal length (see above) also have a variable aperture — in such cases it is indicated by the range from maximum to minimum (from a smaller number to a larger one).

A high aperture ratio is important primarily when shooting in low light conditions: it allows you to capture an image without “lifting up” the sensor sensitivity and without creating additional artifacts in the form of noise, and in the photo shooting mode, you can also work with shorter shutter speeds (which is useful for dynamic scenes). In addition, the higher the aperture, the lower the depth of field and the easier it is to get a blurry background. Note that for simple everyday tasks this parameter does not play a decisive role, but in professional shooting it can be very significant.

Sound recording

The format in which the camera records sound during video recording. Typically, this section indicates the number of channels and the sound system used, the file format, or the characteristics of the audio stream, such as "2ch Dolby Digital (AC-3)" or "PCM, 16bit 48kHz, 2ch". In order not to go into technical details, we note that two channels are the minimum required for surround sound (stereo), and advanced models can work with multi-channel sound like 5.1. As for other specifications, you should pay attention to them when choosing a professional device (see "Features") — in amateur and especially pocket cameras, the sound format does not play a special role. Specific features of various formats are described in special sources.
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