Video cameras are used to record great family trips, meetings and celebrations. Their advantage is the dimensional display where you can see clearly the scene, during recording and playback.
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Parameters important for the selection of video cameras
maximum resolution
Resolution determines how many points in the horizontal and vertical image is created. Generally, when the resolution is higher, the picture is more detailed and therefore better.
- Full HD - 1920 × 1080 pixels, is now considered the norm.
- Ultra HD - 3840 × 2160 resolution, today's trend, gradually replacing Full HD. Compared to Full HD, it contains four times the pixels, which is more data intensive. A resolution of 4096 × 2160 is also used, officially known as 4K. But it has an aspect ratio of 16:9.
Ultra HD (4K) resolution is especially useful if you have a 4K Ultra HD TV, or want to work with video in post-production programs. 4K video processing hardware, however, is more challenging.
zoom
Zoom determines how many times you can approach the scene. There are two types of zoom.
- Digital zoom - zooming is done by software, cut-scene. This entails some loss of quality and sharpness.
- Optical zoom - closer to regroup objective lens and change the focal length, so it does not reduce the resolution. Some models can be more than 50 times.
The type and size of sensors
Video cameras mostly use an MOS sensor and a CMOS - almost the same technology. The larger sensor is, the better the results typically administered in low light. BSI CMOS is sensitive to light. Also Indicates sensor resolution, the resolution of still images ranges from 1 to 32 megapixels.
When choosing a camcorder also look at its weight. The lighter the camera, the easier it will be for you to hold and shoot a few minutes at a time. Some models weigh only slightly more than 200g - they are just a little heavier than most smartphones.
Memory / recording medium
The greater the storage space, the more the video camera can store without importing into the computer. Some camcorders have internal memory, sometimes up to 16 gigabytes It is sufficient for basic use. Most cameras then let you insert a memory card (the type most commonly used Micro SDXC or SDXC ), which can expand storage up to 512 gigabytes
Battery life
Ranges between 1 and 3.5 hours. It is often possible to replace the battery, by purchasing another piece you get a backup power source.
Interfaces and outputs
Transferring data to a computer takes place mostly via USB. Direct output video and audio to your TV's HDMI or A / V jack.
Other useful features of camcorders
- Optical image stabilization - take smooth video without shocks.
- Face detection - ensure that all faces in the frame will always be in focus.
- GPS - locations are added to the video and you can recall exactly where you made the video.
- Touchscreen - Easy and intuitive operation.
- Surround Microphone - Advanced sound recording into multiple channels, it will be appreciated especially by owners of a home theatre.
- Basic video editing on the camera - Simple editing, and editing, without having to download the video to your computer.
- Colour filters and effects - black and white, sepia, solarisation, etc. Special in footage on the set, no adjustments.
- WiFi and NFC - fast connection to your smartphone or tablet, whereby you can control the camera and use it for streaming video on the internet.
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