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Comparison Canon PowerShot G7X Mark III vs Sony RX100 V

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Canon PowerShot G7X Mark III
Sony RX100 V
Canon PowerShot G7X Mark IIISony RX100 V
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Main
Luminous optics. High rate of fire. Video shooting in 4K. Audio input for microphone. Effective optical stabilization. Swivel screen with touch control. Compact dimensions.
Luminous optics. Rate of fire 24 fps. Advanced autofocus. Video shooting in 4K. effective stabilizer. High speed video recording. Retractable electronic viewfinder.
Camera typedigital compactdigital compact
DxOMark rating70
Sensor
Sensor
CMOS (CMOS) /digic 8 processor, BSI/
CMOS BSI /BSI/
Sensor size1" (13.2x8.8 mm)1" (13.2x8.8 mm)
Total MP2121
Effective MP number2020
Maximum image size5472x3648 px5472x3648 px
Light sensitivity (ISO)125 - 12800
125-12800 /iSO 80-25600 available in selected modes/
RAW format recording
Lens
Aperturef/1.8 - f/2.8f/1.8 - f/2.8
Focal length24 - 100 mm24 - 70 mm
Optical zoom4.22.9
Manual focus
Image stabilizationopticaloptical
Min. focus distance5 cm5 cm
Macro shooting, from5 cm5 cm
Photo shooting
Frames per series (JPEG)150 шт
HDR
2 control dials
White balance measuring
Exposure compensation± 3 EV, in 1/3 EV steps± 3 EV, in 1/3 EV steps
Auto bracketing
 /± 3 (3 frames)/
Exposure modes
auto
shutter priority
aperture priority
manual mode
auto
shutter priority
aperture priority
manual mode
Metering system
point
centre-weighted
sensor (estimated)
point
centre-weighted
sensor (estimated)
Video recording
Full HD (1080)1920x1080 px 60 fps1920x1080 px 120 fps
Ultra HD (4K)3840x2160 px 30 fps3840x2160 px 30 fps
File recording formatsMPEG-4, H.264
MP4, XAVC-S, Linear PCM /H.264/
Manual video focus
Connection ports
HDMI v 1.4
microphone Jack
HDMI v 1.4
 
Focus
Autofocus modes
one shot
tracking
in face
 
 
one shot
tracking
in face
by smile
animal in frame
Touch focus
Viewfinder and shutter
Viewfinderis absent
electronic /magnification 0.59x/
Frame coverage100 %
Shutter speed
30 - 1/25600 с /mechanical shutter up to - 1/2000/
30 - 1/32000 с /mechanical shutter up to 1/2000 s/
Continuous shooting30 fps24 fps
Shutter typeelectronic/mechanicalelectronic/mechanical
Screen
Screen size3 ''3 ''
Screen resolution1040 thousand pixels1228 thousand pixels
Touch screen
Rotary display
Memory and communications
Memory cards types
SD, SDHC, SDXC /UHS-I/
SD, SDHC, SDXC, MemoryStick
Communications
Wi-Fi
Bluetooth
 
smartphone control
Wi-Fi 4 (802.11n)
 
NFC
smartphone control
Flash
Built-in flash
Guide number8
Application range7.5 m10.2 m
Power source
Power source
battery
battery
Battery modelNB-13LNP-BX1
Shots per charge235 шт220 шт
General
Case/case modelLCS-ASB1, LCJ-RXF
Charger modelACC-TRBX
Console/synchronizer modelRM-VPR1
Material
steel /stainless steel/
aluminium alloy
Dimensions (WxHxD)105x61x41 mm102х58х41 mm
Weight304 g299 g
Color
Added to E-Catalogjuly 2019october 2016

DxOMark rating

The result shown by the camera in the DxOMark ranking.

DxOMark is one of the most popular and respected resources for expert camera testing. According to the test results, the camera receives a certain number of points; The more points, the higher the final score.

Sensor

— CCD (CCD). Abbreviation for Charge-Coupled Device. In such sensors, information is read from the photosensitive element according to the “line at a time” principle — an electronic signal is output to the image processor in the form of separate lines (there is also a “frame at a time” variant). In general, such matrices have good characteristics, but they are more expensive than CMOS. In addition, they are poorly suited for some specific conditions — for example, shooting with point light sources in the frame — which is why you have to use various additional technologies in the camera, which also affect the cost.

— CMOS (CMOS). The main advantages of CMOS matrices are ease of manufacture, low cost and power consumption, more compact dimensions than those of CCDs, and the ability to transfer a number of functions (focus, exposure metering, etc.) directly to the sensor, thus reducing the dimensions of the camera. In addition, the camera processor can read the entire image from such a matrix at once (rather than line by line, as in CCD); this avoids distortion when shooting fast-moving objects. The main disadvantage of CMOS is the increased possibility of noise, especially at high ISO values.

— CMOS (CMOS) BSI. BSI is an abbreviation for the English phrase "Backside Illumination". This is the name of "inverted" CMOS sensors, the light on which does not penetrate from the side of the photodiodes, but from the back of the matrix (from the side of the subst...rate). With this implementation, the photodiodes receive more light, since it is not blocked by other elements of the image sensor. As a result, back-illuminated sensors boast high light sensitivity, which allows you to create images of better quality with less noise when shooting in low light conditions. BSI CMOS sensors require less light to properly expose a photo. In production, back-illuminated sensors are more expensive than traditional CMOS sensors.

— LiveMOS. A variety of matrices made using the technology of metal oxide semiconductors (MOS, MOS — Metal-Oxide Semiconductor). Compared to CMOS sensors, it has a simplified design, which provides less tendency to overheat and, as a result, a lower noise level. It is well suited for the "live" viewing mode (viewing in real time) of the image from the matrix on the screen or in the camera's viewfinder, which is why it received the word "Live" in the title. They also feature high data transfer rates.

Light sensitivity (ISO)

The sensitivity range of a digital camera matrix. In digital photography, light sensitivity is expressed in the same ISO units as in film photography; however, unlike film, the light sensitivity of the sensor in a digital camera can be changed, which gives you more options for adjusting shooting parameters. High maximum light sensitivity is important if you have to use a lens with a low aperture (see Aperture), as well as when shooting dimly lit scenes and fast-moving objects; in the latter case, high ISO allows you to use low shutter speeds, which minimizes image blur. However, note that with an increase in the value of the applied ISO, the level of noise in the resulting images also increases.

Focal length

Focal length of the camera lens.

Focal length is such a distance between the camera matrix and the optical center of the lens, focused at infinity, at which a clear and sharp image is obtained on the matrix. For models with interchangeable lenses ( mirrorless cameras and MILC, see “Camera Type”), this parameter is indicated if the camera is supplied with a lens (“kit”); Let us recall that, if desired, optics with other characteristics can be installed on such a camera.

The longer the focal length, the smaller the viewing angle of the lens, the higher the degree of approximation and the larger the objects visible in the frame. Therefore, this parameter is one of the key for any lens and largely determines its application (specific examples are given below).

Most often in modern digital cameras, lenses with a variable focal length are used: such lenses are able to zoom in and out of the image (for more details, see "Optical Zoom"). For "DSLRs" and MILC, specialized optics with a constant focal length (fixed lenses) are produced. But in digital compacts, "fixes" are used extremely rarely, usually such a lens is a sign of a high-end model with specific characteristics.

It should be borne in mind that the actual focal length of the lens is usually given in the characteristics of the camera. And the viewing angles and the general purpose of the optics are determined not only by this parameter, but also...by the size of the matrix with which the optics are used. The dependence looks like this: at the same viewing angles, a lens for a larger matrix will have a longer focal length than a lens for a small sensor. Accordingly, only cameras with the same sensor size can be directly compared with each other in terms of lens focal length. However, to facilitate comparisons in the characteristics, the so-called. EGF - focal length in 35 mm equivalent: this is the focal length that a lens for a full frame matrix having the same viewing angles would have. You can compare by EGF lenses for any matrix size. There are formulas that allow you to independently calculate the equivalent of 35 mm, they can be found in special sources.

If we talk about a specific specialization, then the EGF up to 18 mm corresponds to ultra-wide-angle fisheye lenses. Wide-angle is considered "fixed" optics with EGF up to 28 mm, as well as vario lenses with a minimum EGF up to 35 mm. Values up to 60mm correspond to "general purpose" optics, 50 - 135mm are considered optimal for shooting portraits, and higher focal lengths are found in telephoto lenses. More detailed information about the specifics of various focal lengths can be found in special sources.

Optical zoom

The magnification factor provided by the camera by using the capabilities of the lens (namely, by changing its focal length). In models with interchangeable lenses (see “Camera type”), indicated for the complete lens, if available.

Note that in this case the magnification is indicated not relative to the image visible to the naked eye, but relative to the image produced by the lens at minimum magnification. For example, if the characteristics indicate an optical zoom of 3x, this means that at the maximum magnification, objects in the frame will be three times larger than at the minimum.

The degree of optical zoom is directly related to the range of focal lengths (see above). You can determine this degree by dividing the maximum focal length of the lens by the minimum, for example 360mm / 36mm=10x magnification.

To date, optical zoom provides the best "close" image quality and is considered to be superior to digital zoom (see below). This is due to the fact that with this format of work, the entire area of \u200b\u200bthe matrix is constantly involved, which allows you to fully use its capabilities. Therefore, even among low-cost models, devices without optical zoom are very rare.

Frames per series (JPEG)

The highest number of shots a camera can capture “in one go” in JPEG continuous shooting.

The technical features of modern digital cameras are such that during continuous shooting, photos have to be recorded in a special buffer, and only then, after the end of the series, they can be copied to a memory card. This buffer has a limited size, so the number of frames in one series is also limited. At the same time, we note that this indicator is usually indicated for shooting at the highest possible resolution (see "Maximum image size"); at lower resolutions, the volume of each image is reduced, and the number of frames in the series may turn out to be more than stated in the specifications.

JPEG, the most popular digital photography format today, is smaller and requires less processing power than RAW (see "Recording in RAW Format"). Therefore, in a JPEG series, as a rule, more frames are available to the photographer. However, in some models that have two separate buffers (for RAW and JPEG), it may be the other way around.

2 control dials

The presence of two control dials in the design of the camera.

This design feature makes it easier to control the camera and change settings on the fly: additional operating parameters are transferred to the second disk, and turning it to the desired position is easier and faster than “digging” in the on-screen menu items. This feature is found mainly in semi-professional and professional cameras, which involve frequent use of manual shooting mode.

Auto bracketing

Bracketing is called shooting a series of frames, in which in each next frame the shooting parameters (exposure, white balance, focus, etc.) change by a certain amount. This allows, for example, to choose the most successful shot from several options, or to determine the effect of changing the settings in one direction or another. Auto bracketing allows you to take such shots automatically. At the same time, it should be taken into account that the set of parameters changed in the process may differ in different camera models. For example, some devices are able to change only the exposure, others — the exposure and/or white balance, etc.

Full HD (1080)

The maximum resolution and frame rate of video captured by the camera in Full HD (1080p).

The traditional Full HD video resolution in this case is 1920x1080; other options are more specific and practically do not occur in modern cameras. Regarding the frame rate, it is worth noting first of all that a normal (not slow-motion) video is shot at a speed of up to 60 fps, and in this case, the higher the frame rate, the smoother the video will be, the less jerks will be noticeable when moving in the frame. If the frame rate is 100 fps or higher, this usually means that the camera has a slow-motion video mode.
Canon PowerShot G7X Mark III often compared
Sony RX100 V often compared