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Digital Camera

BioPhotonics
Jan 2010
Leica Microsystems GmbHRequest Info
 
Leica Microsystems GmbH has added the Leica DFC345 FX, a digital camera for fluorescence applications, to its portfolio. Featuring high resolution and sensitivity, a fast image capture rate and a broad dynamic range, it is suitable for multidimensional live-cell observation under low-light conditions. The 2-megapixel CCD sensor provides detailed resolution, while the camera’s high dynamic range permits the acquisition of multicolor images in one shot without overlay. Users can choose a 40-MHz pixel clock rate for fast image readout or a 20-MHz pixel clock rate for low noise.


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GLOSSARY
digital camera
A camera that converts a collected image into pixels that are black or white digital or shades of gray. The digital data may then be manipulated to enhance or otherwise modify the resulting viewed image.
fluorescence
The emission of light or other electromagnetic radiation of longer wavelengths by a substance as a result of the absorption of some other radiation of shorter wavelengths, provided the emission continues only as long as the stimulus producing it is maintained. In other words, fluorescence is the luminescence that persists for less than about 10-8 s after excitation.
resolution
1. In optics, the ability of a lens system to reproduce the points, lines and surfaces in an object as separate entities in the image. 2. The minimum adjustment increment effectively achievable by a positioning mechanism. 3. In image processing, the accuracy with which brightness, spatial parameters and frame rate are divided into discrete levels.
sensitivity
In a radiation detector, the ratio of the output to the input signal.
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