SBIG Aluma 3200 Cooled Monochrome CCD Telescope Camera

Brand: SBIG


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Product Details

  • The mid-size SBIG 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 includes two-stage cooling, USB 2.0 and WiFi 802.11 b/g/n interfaces, 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, Remote Guide Head, and CLA lens adapters.

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

    Aluma Features include:

    • Wide variety of imaging sensors
    • Light weight, compact design
    • Centered optical axis for optimum instrument balance
    • Ultra reliable even-illumination (photometric) mechanical shutter
    • Support for iOS, Android, Windows, Macintosh, and Linux
    • WiFi 802.11 b/g/n and USB 2.0 communications interfaces
    • Full frame image buffering eliminates readout artifacts and provides 100% reliable wireless download
    • 2-Stage TE cooling
    • Twin variable speed fans
    • 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 either via USB 2.0 or WiFi 802.11 b/g/n.  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 SBIG cameras. In addition our new Aluma software for iOS and Android is under development.  Aluma also supports third-party applications through ASCOM and native SBIG 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 are 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.

    iris1The 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 our even-illumination shutter.

    Efficient 2-Stage TE cooling

    The Aluma uses two-stage TE cooling, twin variable-speed fans and a heat sink design optimized using computer thermal flow simulation.  This permits high performance using air cooling only.

    High Performance KAF-3200 Image Sensor

    The Aluma 3200 uses the extremely sensitive 3.2 megapixel 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

    Included Accessories

    Each Aluma camera package includes:

    • MaxIm LT Software
    • iOS / Android software coming soon (via app store)
    • 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

    Optional Micron-Precision Filter Wheel

    The optional FW8S-Aluma 8-position filter wheel includes a positive centering mechanism that precisely centers each filter in the exact same position every time. This single-pixel accuracy completely eliminates ghost images of dust spots and other artifacts after flat-fielding.

    Positive detent mechanism provides single-pixel filter position accuracy

    flatfield2Precision flat-fielding with utlra-accurate indexing

    The left-hand image shows a dust spot on the filters.  A flat-field calibration frame was taken, then the filter wheel was rotated several times before taking a second picture, which was flat-field calibrated, at right.  No evidence of the dust spot is visible.  This high precision results in the highest quality images and excellent photometric accuracy.

    The Aluma wheel holds standard 36 mm filters, and inserts are available for 1-1/4″ filters, which are suitable for smaller format CCD sensors.

    The Aluma filter wheel replaces the camera’s front plate, resulting in the minimum possible back-focus, ensuring that the camera / filter wheel combination will reach focus on the widest possible variety of optical systems.  Optional “CLA” adapters facilitate using the FW8S-Aluma with standard Canon and Nikon camera lenses.

    fw_close1_red1-287x0Integrated autoguider with adjustable pick-off mirror and focal reducer

    For astronomical imaging, the wheel is available in the FW8G-Aluma configuration.  This adds a built-in focal reducer and autoguider.  The pick-off mirror and guide camera focus can both be adjusted and locked using simple thumbscrews.  With the autoguider positioned in front of the filters, optimum guiding sensitivity is provided for all filter slots.  Using a built-in autoguider system eliminates issues with flexure, mirror shift, and other mechanical problems that can degrade guiding accuracy.

    The FW8G-Aluma is thicker and does not permit use of CLA lens adapters.  Interchangeable plates are available to switch your wheel between FW8G and FW8S configuration.

    Optional AO-8A Adaptive Optics


    All Aluma models can operate with the AO-8A Adaptive Optics accessory.  The AO-8A 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 extremely precise and accurate.  This allows the AO-8A to not only remove the effects of periodic error, drift, and wind gusts, but also reduce the effects of atmospheric seeing.

    For more information please see AO-8A.

  • specifications

    ADC16 bit
    Back Focus16.2 mm
    Camera ConnectionSBIG Aluma Bolt Pattern
    Color or MonoMonochrome
    Delta T45C
    Dynamic Range12.3 Stops
    Full Well55ke
    Mega Pixels3.2 mp
    Pixel Array2184 x 1472
    Read Noise11.5e
    Sensor Diagonal17.9 mm
    Sensor TypeCCD
    SensorOnSemi KAF 3200
    Weight2.2 lbs

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