Tengra is EMSIS’ 5.3 Megapixel TEM CCD bottom mounted on-axis camera. This state of the art camera offers a great value solution for all standard TEM image acquisition applications with a strong focus on materials sciences. Tengra combines a large, sensitive CCD chip with attractively high readout speed, tapered ﬁber optics and a perfectly matched phosphor scintillator, to meet the highest quality demands.
The Tengra camera system provides extraordinary resolution with its 2:1 ﬁber optic taper, which increases the effective pixel size to 18 µm x 18 µm; hence ideally matching scintillator thickness and pixel size and ensuring that the maximum number of photons are detected. This highly efﬁcient conversion of primary electrons in the scintillator combined with optimized electronic design delivers a near perfect signal-to-noise ratio, resulting in an outstanding image with optimal resolution and high sensitivity.
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