The DS-Qi1 is an ultra high-quality monochrome, cooled digital
microscope camera geared for high-speed, high-sensitivity applications.
By combining low noise electronics and a high-quantum efficiency
detector, the DS-Qi1 can capture a wide dynamic range of intensities
while maintaining quantitative linearity. Added features such as a fast
analog-to-digital converter (ADC), very low read noise, and programmable
gain control make the DS-Qi1 an ideal detector for fluorescence imaging applications.
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Categories: Digital Cameras
1. Reliable Quantitative Analysis
Linearity, a quantitivity index, has been improved to >98%. This,
together with reduced noise, assures comparable, quantitative image data
collection over a wide exposure range.
2. High Sensitivity
The high-sensitivity CCD, which has outstanding quantum efficiency
(>65% at 500nm), combined with low read noise, allows the capture of
even low light fluorescence signals. Intensity and time of fluorescence
excitation can therefore be minimized to reduce photobleaching.
3. Low Noise
The Peltier cooling mechanism cools the CCD down to 10º C below ambient
temperature, reducing the average dark current to 0.7e/pixel/s. Also,
the readout noise is reduced to 8e- rms with the newly developed CCD
drive circuit. Thus, clear, high-contrast fluorescence images can be
captured at a dynamic range of over 2000:1.
4. High Speed Interface
The USB2.0 interface for connecting a camera control unit DS-U3 to a PC allows high-speed data transfer. It also enables stress-free PC operation.