Celestron 95560, Руководство пользователя, Страница: 17 / 100

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seTTing TemperaTure seTpoinT
the nightscape camera can be cooled to approximately 20°c below the ambient
temperature. For best results set the temperature setpoint to 20°c below ambient.
For example, if the outside temperature is 15°c (60°F) then the ideal sensor
temperature setting should be approximately -5°c (a difference of 20°c).
If after a few minutes, the setpoint stabilizes at the desired temperature (as shown in
the temp. field), you can continue to drop the setpoint down in 1°c increments until it
can no longer stabilize. then go back and increase the setpoint by 0.5°c. this should
represent the lowest temperature that the sensor can reach for the given outside air
temperature.
note
: If after several (5-10) minutes, the setpoint can not be reached, it
will automatically reset to the lowest temp that can reached. A pop-up box will
appear indicating the temperature.
TeChniCal speCifiCaTions
imaging sensor Kodak KAF-8300 Color CCD
number of aCTiVe piXels 8.3mP 3326 (H) x 2504 (v)
imaging sensor size
17.96 mm (H) x 13.52mm (v) 22.5 mm
diagonal
piXel size
5.4μm x 5.4μm
eXposure range 0.001sec to 24hrs
ThermoeleCTriC Cooling
Regulated with fan, max cooling 20ºC
below ambient
shuTTer Internal mechanical leaf shutter
operaTing TemperaTure
40ºC to -40ºC (104ºF to -40ºF)
a/D ConVersion
16 bit
16.