Request InfoTeledyne Princeton InstrumentsPrinceton Instruments has introduced the Quad-RO: 4320, a 4-megapixel fibre optically coupled camera for indirect x-ray imaging applications. The maintenance-free thermoelectrically cooled camera is housed in a compact package and offers better than ±0.1 °C temperature precision and a FireWire interface. It delivers >70% quantum efficiency at 560 nm and fast readout of 0.72 fps. It has a front-illuminated 2084 x 2084-format sensor with 24-μm pixels and a 50 x 50-mm image area. 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