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Comparison Canon PowerShot SX620 HS vs Canon PowerShot SX610 HS

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Canon PowerShot SX620 HS
Canon PowerShot SX610 HS
Canon PowerShot SX620 HSCanon PowerShot SX610 HS
from $449.00 
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Camera typedigital compactdigital compact
Sensor
Sensor
CMOS (CMOS) BSI /BSI-CMOS, DIGIC 4+ processor/
CMOS (CMOS) /BSI-CMOS, DIGIC 4+ processor/
Sensor size1/2.3"1/2.3"
Total MP21
Effective MP number20.220.2
Maximum image size5184x3888 px5184x3888 px
Light sensitivity (ISO)80 - 320080 - 3200
Lens
Aperturef/3.2 - f/6.6f/3.8 - f/6.9
Focal length25 - 625 mm25 - 450 mm
Optical zoom2518
Manual focus
Image stabilizationopticaloptical
Min. focus distance5 cm5 cm
Macro shooting, from1 cm5 cm
Photo shooting
Number of scene programs9
White balance measuring
Exposure compensation± 2 EV, in 1/3 EV increments± 2 EV, in 1/3 EV increments
Exposure modes
auto
auto
Metering system
point
centre-weighted
sensor (estimated)
point
centre-weighted
sensor (estimated)
Video recording
Full HD (1080)1920x1080 pix 30 fps1920x1080 pix 30 fps
File recording formatsH.264H.264
Connection ports
HDMI v 1.4
HDMI v 1.4
Focus
Autofocus modes
one shot
tracking
in face
one shot
tracking
in face
Viewfinder and shutter
Viewfinderis absentis absent
Shutter speed15 - 1/2000 sec15 - 1/2000 sec
Continuous shooting2.5 fps2.5 fps
Screen
Screen size3 ''3 ''
Screen resolution922 thousand pixels922 thousand pixels
Memory and communications
Memory cards typesSD, SDHC, SDXCSD, SDHC, SDXC
Communications
Wi-Fi
NFC
smartphone control
Wi-Fi
NFC
smartphone control
Flash
Built-in flash
Application range4 m3.5 m
Power source
Power source
battery
battery
Battery modelNB-13LNB-6LH
Shots per charge295 шт270 шт
General
Charger modelCB-2LY
Materialaluminium/plasticaluminium/plastic
Dimensions (WxHxD)97х57х28 mm105х61х27 mm
Weight182 g191 g
Color
Added to E-Catalogmay 2016january 2015

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.

Total MP

The total number of individual light sensitive dots (pixels) provided in the camera's sensor. Denoted in megapixels - millions of pixels.

The total number of MPs, as a rule, is greater than the number of megapixels from which the frame is directly built (for more details, see "Effective number of MPs"). This is due to the presence of service areas on the matrix. In general, this parameter is more of a reference than practically significant: a larger total number of MPs with the same size and effective resolution means a slightly smaller size of each pixel, and, accordingly, an increased likelihood of noise (especially at high ISO values).

Aperture

Aperture of the lens installed in the camera or supplied with it in the kit (for models with detachable optics).

In a simplified way, this parameter can be described as the ability of the lens to transmit light - in other words, how much the light flux weakens when passing through the optics. It is believed that two main indicators affect the characteristics of light transmission: the size of the relative opening of the lens and its focal length. Aperture is the ratio of the first indicator to the second; in this case, the size of the active hole is taken as one and is generally omitted when recording, as a result, such a recording looks, for example, like this: f / 2.0. Accordingly, the larger the number after the fraction sign, the lower the aperture ratio, the less light the lens transmits.

Zoom lenses (zoom lenses), as a rule, have different aperture values for different focal lengths. For such optics, two values of this parameter are indicated in the characteristics, for the minimum and maximum focal lengths, for example, f / 2.8–4.5. There are also vario lenses that maintain a constant aperture over the entire range of focal lengths, but they are much more expensive than analogs with variable aperture.

The high light transmission of the lens is important if the camera is planned to be used for shooting in low light conditions or for shooting fast moving objects: high-aperture optics allow you to shoot at low sensor sensitivity (which...reduces the likelihood of noise) and at low shutter speeds (at which moving objects are less blurry) . This parameter also determines the depth of field of the imaged space: the higher the aperture ratio, the smaller the depth of field. Therefore, for shooting with artistic background blur (“bokeh”), it is recommended to use fast lenses.

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.

Macro shooting, from

The minimum distance from the lens to the object being filmed, at which the camera optics is able to focus when the camera is in macro mode. Macro shooting is a special mode of operation designed to obtain large images of small objects; the distances to the objects being shot during macro shooting, usually, do not exceed 10 cm. The smaller the minimum distance for macro shooting, the larger and more detailed image the device allows you to get in this mode (ceteris paribus).

Number of scene programs

The number of scene programs provided in the camera design.

Scene programs are preset settings for some of the most common shooting scenes - for example, Portrait, Landscape, Sports, Sunset, etc. In addition to these presets, this list may include special effects and creative tools (such as color swap or fisheye), as well as exposure modes (see below). The presence of scene programs is especially useful for beginners and non-professional photographers, as it eliminates the need to tinker with each setting separately - just select the most suitable program, and all the necessary settings will be set automatically. The more scene programs the camera design provides, the wider its automatic adjustment capabilities.

Application range

The minimum/maximum distance from the subject to the lens at which the flash can be used effectively (usually limited to a few metres). Since lenses with a variable focal length have different aperture ratios depending on the set focal length (see Aperture), for cameras with such optics, two ranges of flash application are indicated — for the minimum and maximum focal lengths, for example "0.3 — 3.5 (W), 0.45 — 2(T)." The letters W and T in such markings indicate the minimum and maximum focal lengths, respectively.

Battery model

The model name of the original battery (see "Power Type") used in the camera. Knowing this name, you can easily find a spare or replacement battery for the device.
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