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The SBIG Aluma AC Series represents the state-of-the-art in Advanced Scientific CMOS cameras for astronomical imaging systems. The camera’s advanced design permits high speed download via the USB 3.0 connection to the control computer. The Aluma AC4040 uses the GPixel GSENSE4040 CMOS sensor with 16 million pixels at 9 microns. The sensor measures almost 37mm square. The Aluma AC series has powerful two stage cooling and supports optional water cooling. Aluma AC cameras can be operated directly from a 12VDC 8A power supply.
Design features include:
Proven pin heatsink design shared with industry leading STX series cameras gets the heat out while providing low vibration. Includes SmartCoolingTM intelligent thermoelectric cooling and fan operation.
Water Circulation Ready
For high ambient temperature environments, the liquid cooling option improves thermal performance and helps minimize dark current.
User Rechargeable Desiccant
SBIG pioneered including a high-tech user-replaceable cartridge with ceramic filter and molecular sieve desiccant. Unlike competing cameras, which require factory service when their chamber desiccant eventually saturates out, the user can easily recharge the desiccant. This eliminates the need for costly service – not to mention the associated down-time and shipping costs. This feature is especially important in high-humidity locations.
Electronic and Mechanical Shutters
The GSENSE CMOS sensor has an electronic rolling shutter. In addition the Aluma AC series cameras include a mechanical shutter to enable convenient dark-frame subtraction for optimal performance and sensitivity. This is essential for remote/robotic operation.
Optional Seven Position Filter Wheel
The Aluma AC4040 is compatible with the SBIG FW7-STX filter wheel, utilizing 50 mm square filters.
Self-Guiding and Adaptive Optics Options Available
The AO-X uses a tip-tilt window to quickly and precisely adjust the image position in response to autoguider feedback. With Adaptive Optics there is no backlash, stiction, or lag, and the movements are precise and accurate. This allows the AO-X to not only remove the effects of periodic error, drift, and wind gusts, but also reduce the effects of atmospheric seeing. When used with an Aluma AC camera, the AO-X requires the StarChaser SC-3.
For more information please see AO-X.
USB 3.0 Interface
The Aluma AC includes a USB 3.0 interface port for high speed downloads. For installations where longer cable lengths are required, the port is also compatible with USB 2.0.
I2C AUX Port
The STX cameras have a convenient auxiliary control port (also known as an I2C AUX port), which controls the filter wheel and provides optional external trigger interfaces. Unlike older SBIG models, the AUX port is not used for AO-X control, as this function is now handled by the optional SBIG StarChaser SC-3 off-axis guiding camera.
All Aluma AC cameras include a deluxe carrying case, universal power supply, Aluma AC4040 power extension cable, USB 3.0 cable, and MaxIm LT software.