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A USB microscope is a low-powered digital microscope which connects to a computer, normally via a USB port. They are widely available at low cost for use at home or in commerce. Their cost varies in the range of tens to thousands of dollars. In essence, USB microscopes are a webcam with a high-powered macro lens and generally do not use transmitted light, but rely on incident light from in-built LEDs lights situated next to the lens. The light reflected from the sample then enters the camera lens. However, the camera is usually sensitive enough not to need additional lighting. As the camera attaches directly to the USB port of a computer, eyepieces are not required and the images are shown directly on the monitor.

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  • USB microscope
  • Microscópio USB
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  • Microscópio USB é um dispositivo digital de ampliação de imagem que é conectado a um computador, normalmente via porta USB. Existem diversas opções comerciais e de baixo custo. O microscópio USB é webcam equipada com lentes para macrofotografia. Estes dispositivos normalmente iluminam os objetos emitindo luz em direção aos mesmos. Uma vez que o dispositivo é conectado ao computador, as imagens são visualizadas diretamente no monitor. Muitos destes dispositivos acompnham programas de visualização que fornecem funcionalidades para facilitar a visualização de objetos como, por exemplo, algoritmos de processamento de imagem para manipular as imagens captadas pelo microscópio.
  • A USB microscope is a low-powered digital microscope which connects to a computer, normally via a USB port. They are widely available at low cost for use at home or in commerce. Their cost varies in the range of tens to thousands of dollars. In essence, USB microscopes are a webcam with a high-powered macro lens and generally do not use transmitted light, but rely on incident light from in-built LEDs lights situated next to the lens. The light reflected from the sample then enters the camera lens. However, the camera is usually sensitive enough not to need additional lighting. As the camera attaches directly to the USB port of a computer, eyepieces are not required and the images are shown directly on the monitor.
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  • A USB microscope is a low-powered digital microscope which connects to a computer, normally via a USB port. They are widely available at low cost for use at home or in commerce. Their cost varies in the range of tens to thousands of dollars. In essence, USB microscopes are a webcam with a high-powered macro lens and generally do not use transmitted light, but rely on incident light from in-built LEDs lights situated next to the lens. The light reflected from the sample then enters the camera lens. However, the camera is usually sensitive enough not to need additional lighting. As the camera attaches directly to the USB port of a computer, eyepieces are not required and the images are shown directly on the monitor. They usually offer modest magnifications (about 1× to 200×) at very low cost without the need to use eyepieces, at least compared to conventional stereomicroscopes for example. The quality of the final image depends on the camera capacity or megapixels available with the system, varying from 1.3 MP, 2 MP, 5 MP and upwards, as well as operator skill and illumination quality. Both still images and videos can be recorded on most systems.The capacity of most USB microscopes is similar to that of most camera phones of about 2 megapixels.
  • Microscópio USB é um dispositivo digital de ampliação de imagem que é conectado a um computador, normalmente via porta USB. Existem diversas opções comerciais e de baixo custo. O microscópio USB é webcam equipada com lentes para macrofotografia. Estes dispositivos normalmente iluminam os objetos emitindo luz em direção aos mesmos. Uma vez que o dispositivo é conectado ao computador, as imagens são visualizadas diretamente no monitor. Muitos destes dispositivos acompnham programas de visualização que fornecem funcionalidades para facilitar a visualização de objetos como, por exemplo, algoritmos de processamento de imagem para manipular as imagens captadas pelo microscópio.
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