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Comparison Sony A5000 kit 16-50 vs Sony A3000 kit 18-55

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Sony A5000 kit 16-50
Sony A3000  kit 18-55
Sony A5000 kit 16-50Sony A3000 kit 18-55
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Camera type"mirrorless" (MILC)"mirrorless" (MILC)
DxOMark rating79
Sensor
SensorCMOS (CMOS)CMOS (CMOS)
Sensor sizeAPS-C (23x15.5 mm)APS-C (23x15.5 mm)
Total MP20.4
Effective MP number20.120.1
Maximum image size5456x3632 px5456x3632 px
Light sensitivity (ISO)100-16000100 - 16000
Sensor cleaning
RAW format recording
Lens
Mount (bayonet)Sony ESony E
Aperturef/3.5 - f/5.6f/3.5 - f/5.6
Focal length16 - 50 mm18 - 55 mm
Optical zoom3.13
Manual focus
Image stabilizationis absentis absent
Photo shooting
HDR
White balance measuring
Exposure compensation± 3 EV, in 1/3 EV steps± 3 EV, in 1/3 EV steps
Auto bracketing
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 30 fps
File recording formatsMPEG-4, AVCHD
AVCHD /H.264/
Manual video focus
Connection ports
HDMI v 1.4
HDMI
Focus
Autofocus modes
one shot
tracking
one shot
tracking
Viewfinder and shutter
Viewfinderis absentelectronic
Frame coverage100 %
Shutter speed30 - 1/4000 с
Continuous shooting2.5 fps2.5 fps
Shutter typemechanical
Screen
Screen size3 ''3 ''
Screen resolution460 thousand pixels230 thousand pixels
Rotary display
Memory and communications
Memory cards typesSD, SDHC, SDXCMemoryStick, SD, SDHC, SDXC
Communications
Wi-Fi
NFC
smartphone control
 
 
 
Flash
Built-in flash
Application range4 m6 m
External flash connect
Power source
Power source
battery
battery
Battery modelNP-FW50NP-FW50
Battery capacity1080 mAh
Shots per charge420 шт480 шт
General
Case/case modelLCS-EJALCS-ASB1
Charger modelBC-TRWBC-TRW
Underwater box modelU-A, U-AX, U-AXP, WP-S5, WP-S10U-A, U-AX, U-AXP, WP-S5, WP-S10
Console/synchronizer modelRM-VPR1RM-VPR1
Materialaluminium / plasticplastic
Dimensions (WxHxD)109.6х62.8х35.7 mm102х58х38 mm
Weight872 g281 g
Color
Added to E-Catalogjanuary 2014august 2013

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.

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).

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.

Sensor cleaning

The presence in the camera of a special mechanism for cleaning the matrix from dust and other contaminants.

This function is found only in models with interchangeable lenses — "reflex cameras" and MILC (see "Camera type"). When replacing the lens in such cameras, the sensor turns out to be open, and the probability of its contamination is quite high; and extraneous particles on the matrix, at best, lead to the appearance of extraneous artifacts, at worst, to damage to the sensor. To avoid this, cleaning systems are provided. They usually work on the principle of ultrasound: high-frequency vibration "resets" debris from the surface of the sensor.

Note that no cleaning system is perfect — in particular, such systems are “too tough” for condensate, salt deposits and other similar contaminants. So the matrix may still need manual cleaning (ideally, in a service centre). Nevertheless, this function allows you to effectively deal with at least dust, which greatly simplifies the life of the user.

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.

HDR

Camera support for HDR.

HDR stands for High Dynamic Range. The main application of this technology is shooting scenes with significant differences in illumination, when there are both very bright and very dark areas in the frame. The features of modern digital photography are such that in the normal shooting mode, only a rather narrow range of brightness can be correctly processed; as a result, with a large difference in illumination, the image contains either too dark or overexposed fragments. HDR avoids this phenomenon: in this mode, the camera takes several shots with different exposure settings, and then glues them together in such a way as to reduce the brightness in bright places and increase in dark places. This allows you to shoot, for example, landscapes against the backdrop of a bright sunset sky, the interiors of dimly lit buildings with bright windows, etc. In addition, HDR can also be used as an artistic technique — to give the picture an unusual colour scheme.

Note that this effect can also be achieved using post-processing in a graphics editor; however, using the camera is much more convenient.

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.

File recording formats

File formats in which the camera can record video. Given that the footage is designed to be viewed on an external screen, you should make sure that the playback device (DVD player, media centre, etc.) is able to work with the appropriate formats. At the same time, many camera models themselves can play the role of a player by connecting to a TV via an audio / video output or HDMI (see the corresponding paragraphs of the glossary). And if the video materials are to be viewed on a computer, you should not pay special attention to this parameter at all: problems with format incompatibility in such cases rarely occur, but are usually solved by installing the appropriate codec.
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