SBIG Aluma U3200 Cooled Monochrome CCD Camera

Brand: SBIG


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Product Details

  • The mid-size Aluma Series cameras offer performance and features not available in any other scientific-grade imaging camera. This lightweight (2.2 lbs) and compact (4.5″ x 4.5″ x 4″ with handles) camera include two-stage cooling, and a USB 2.0 interface, ultra-reliable even-illumination shutter, and fast low-noise readout. Aluma can be operated from a tablet or smartphone, or from a Windows, Macintosh, or Linux PC.

    The Aluma series supports a wide range of accessories, including the 8-position FW8S-Aluma filter wheel with micron-level filter positioning, FW8G-Aluma filter wheel with built-in autoguider, AO-8A Adaptive Optics accessory, and Remote Guide Head.

    The Aluma 3200 has one of the most sensitive front-illuminated CCD sensors ever made, with peak Quantum Efficiency over 80%.

    The Aluma is available in two versions – the original with USB and WiFi, and this lower-cost Aluma U version with only the USB interface.

    Aluma Features include:

    • Wide variety of imaging sensors
    • Lightweight, compact design
    • Centered optical axis for optimum instrument balance
    • Ultra reliable even-illumination (photometric) mechanical shutter
    • Support for iOS, Android, Windows, Macintosh, and Linux
    • USB 2.0 interfaces
    • Full frame image buffering eliminates readout artifacts and provides 100% reliable wireless download
    • 2-Stage TE cooling with typical -50C from ambient
    • Twin variable speed fans with SmartCoolingTM technology
    • High accuracy temperature regulation
    • Built-in RBI Pre-flash (full frame front-illuminated sensors only)
    • External TTL trigger inputs and output
    • Included 110V / 220V power supply and optional 12VDC operation
    • User-rechargeable desiccant plug
    • Built-in 1/4-20 tripod mount
    • Support for high precision 8-position filter wheels
    • Support for external guide head, self-guiding filter wheels, and adaptive optics
    • Bulletproof firmware update capability – virtually impossible to “brick”

    Multi-Platform Operation

    Aluma is designed to operate via USB 2.0.  Designed from the ground up to support operation on any modern computing platform, Aluma is compatible with iOS, Android, Windows, Macintosh, and Linux.  Fully-documented and supported drivers are available for all platforms, including ASCOM drivers.  The Aluma camera interface specification is fully documented, supporting the development of fully custom interfaces.

    Software Included

    All Aluma models ship with MaxIm LT for Windows – a special version of Maxim DL specific to these cameras. Aluma also supports third-party applications through ASCOM and native drivers.

    Compact and Lightweight Design

    Aluma cameras measure just 4.25″ x 4.25″ x 4.0″ with handles (3.5″ without handles) and weigh just 2.2 lbs (1 kg).

    Even-Illumination Shutter

    All Aluma cameras include a mechanical shutter, which is used for both dark/bias calibration frames and for shuttering exposures on full frame sensors. Rather than using a complex iris shutter, which is prone to failure, the Aluma uses a twin vane shutter and direct drive motor for high repeatability, reliability, and extremely long life. The shutter is designed to be “even illumination” for the best accuracy in photometric measurements.

    Aluma 3200 Iris

    The left image shows a flat field image taken with a camera using an iris type shutter. The right image is a flat field image taken under the same conditions using the even-illumination shutter.

    High-Performance KAF-3200 Image Sensor

    The Aluma 3200 uses the extremely sensitive 3.2 megapixels ON Semi (formerly Kodak) KAF-3200-ABA sensor. The sensor has 2184 x 1472 pixels at 6.8 microns square, for a 14.85 mm x 10.26 mm optical format.

    The KAF-3200 has perhaps the best quantum efficiency of any front-illuminated CCD sensor, peaking at over 80%, and it has low dark current and low read noise.  Combining this high-performance sensor with Aluma’s high cooling performance and low readout noise results in exceptionally clean images.

    KAF-3200 Quantum Efficiency


    All Aluma cameras include the powerful new SmartCooling technology. The two-stage cooler, powerful fans, and advanced heat sink designed using thermal flow simulation combine to produce typical cooling delta from ambient of -50C.  This is quite a feat considering the Aluma’s very compact and lightweight package.

    SmartCooling automatically adjusts the fan speed to optimize cooler performance and power consumption.  The camera’s firmware is constantly monitoring the sensor and heat sink temperatures, as well as controlling the cooler power. When full cooling power is needed – when ramping down or running near full power – the fans ramp up to their maximum speed, resulting in the strongest possible cooling.  When less cooling power is needed the fans automatically slow to reduce noise levels and power consumption. SmartCooling also prevents any possibility of overheating by backing off power if the heat sink gets too hot – so you don’t need to worry if your camera is baking in a hot observatory during the day.

    Included Accessories:

    Maxim LT software

    Deluxe carrying case

    Universal power supply (110V / 220V, 50-60 Hz)

    2″ Nosepiece adapter

    USB flash drive containing software, drivers, and documentation

    15 foot (4.5 m) USB cable

    Tracking interface cable


  • specifications

    ADC16 bit
    Color or MonoMonochrome
    Delta T50C
    Dynamic Range12.6 Stops
    Full Well55ke
    Mega Pixels3.2 mp
    Peak QE80%
    Pixel Array2184 x 1472
    Pixel Size6.8 microns
    Read Noise9e
    Sensor Diagonal17.9mm
    Sensor TypeCCD
    SensorOn Semi KAF 3200
    Weight2.2 lbs

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