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The Moravian G4 uses a CCD sensor 36.9 × 36.9 mm, which is 50% more than the area of a frame in a classic film. The internal cooling system keeps the CCD at a constant temperature, allowing for calibration of images easier and better. The cameras can be equipped either with a liquid cooling system or with Peltier cell controlled by the TEC, the two rear vents extract the hot air generated by the heat sinks. All CCD used by Moravian are equipped with "anti-blooming gate" (ABG), which reduces the excess charge in the saturated pixels, particularly important for large format cameras. The quantum efficiency of this sensor is 70% .The G4 is equipped with pre-flash near-IR to cope with the image effect Bulk residue.
The mechanical shutter is integrated inside the camera. Unlike the G3 and G2 camera,the G4 has a internal filter wheel that allows only filters from 50 × 50 mm square, (the circular filters 50 mm in diameter cause vignetting on large CCD) because of the limited space can not be integrated within the camera. However, it is possible to connect an external, in fact, the G4 has a connector for external filter wheel control system. The filter wheels Moravian are available at both positions 5 to 7 that, both for non-mounted filters in the cell of 50 x 50 mm.
For connection to the telescope is avaiable an adapter M68 female, the working distance from the thread to the camera it is 30.5mm.
- Camera CCD Moravian G4-16000
- USB 2.0 cable 5m
- Adapter M68
- Installation CD-ROM with Software Sims
- Power supply 12V
- Alluminium carry case
- Instrucitions manual
|Type:||Cooled CCD camera|
|Resolution||3056 × 3056|
|Sensor dimensions (mm)||4096 × 4096|
|Sensor diagonal (mm)||No|
|Pixels dimensions (µm)||9 x 9 μm|
|A/D converter||16 bit|
|Cooling||-45°C rispetto a T ambientale|
|Readout Noise (e-)||approx. 7 e- RMS|
|ST4 integrated autoguide port||No|
|PC connection||USB 2.0|
|Backfocus (mm)||30.5 mm (con adattatore M68)|
|Weight (gr.)||1,6 Kg|