Quote:
Originally Posted by Marke
I have had my eye on the 4000 as well , seen some great images with it
but my concern was the cooling and most images I have seen were taken
in cold European climates. Keep us updated on how it goes on a warm nite.
Mark
|
Will do Mark.
I got the version that has
Two stage Peltier cooling with ΔT=-40°C below ambient, with optional water assist and Full temperature regulation. So I would be surprised if it doesnt perform on hot nights.
Sensor Type
CCD - Kodak KAI 04022(datasheet)
Sensor size
16.67mm x 16.05mm
Horizontal Resolution
2048 pixels
Vertical Resolution
2048 pixels
Pixel Size
7.4 µM x 7.4 µM
ADC
16 bit
Readout Noise
11 e- typical value
Dark current
0.01 electrons per sec at -20 degrees
Well depth
40,000 electrons
Anti blooming
>1000x
Quantum Efficiency
55%
Linearity
R squared test equal to 1
Interface
USB 2.0 High Speed
Power
12v DC
Maximum Exposure Length
Unlimited
Minimum Exposure Length
1/1000 s
Guide Port
ST-4 compatible
Cooling
Two stage Peltier with ΔT=-40°C, with optional water assist
Full temperature regulation.
Weight
990g
CCD to front of camera distance
18mm
Thread on front of camera
T-Thread (42x0.75)