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1er juillet: Le magasin sera fermé pour le jour du Canada. Les commandes placées à cette date seront expédiéesle 2 juillet.
1er juillet: Le magasin sera fermé pour le jour du Canada. Les commandes placées à cette date seront expédiéesle 2 juillet.
ZWO ASI4400MC Pro Cooled Color Full-Frame Camera
ZWO ASI4400MC Pro Cooled Color Full-Frame Camera
ZWO ASI4400MC Pro Cooled Color Full-Frame Camera
ZWO ASI4400MC Pro Cooled Color Full-Frame Camera
ZWO ASI4400MC Pro Cooled Color Full-Frame Camera

ZWO ASI4400MC Pro Cooled Color Full-Frame Camera

par ZWO
UGC ZWO-ASI4400MC-P
$2,999.00 - $2,999.00
$2,999.00
$2,999.00 - $2,999.00
$2,999.00
Égalisation de prix!
  • 44.7 Megapixel Full-Frame (36mm x 24mm) Sony CMOS Sensor
  • 4.4µm Pixels with 74.6k e- Full Well Capacity
  • Two-Stage TEC Cooling to 30-35°C Below Ambient
  • 512MB DDR3 Image Buffer for Stable Data Transfer
  • Zero Amp Glow Circuitry
En rupture temporaire
Alerte de retour en stock
Info disponibilité
Expédition internationale
  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • ZWO ASI4400MC Pro Cooled Color Full-Frame Camera

    The ZWO ASI4400MC Pro combines a massive 44.7 MP full-frame (36mm x 24mm) Sony sensor with large 4.4µm pixels for capturing vast deep-sky panoramas with exceptional dynamic range. A deep 74.6k e- full well capacity and 14-bit ADC render smooth gradients from faint nebulosity to bright star cores, while two-stage cooling drops sensor temperature by 30-35°C below ambient to minimize thermal noise. Its 512MB DDR3 buffer ensures the 8192 x 5460 pixel frames transfer reliably over USB 3.0 at up to 8.3 FPS.

    44.7 MP Resolution on a 36mm x 24mm Sensor

    The ASI4400MC Pro's primary strength is its sheer field of view, enabled by the 36mm x 24mm full-frame sensor. With a 43.3mm diagonal, this camera captures immense celestial targets like the Andromeda Galaxy (M31) or the entire Veil Nebula complex in a single frame, even with longer focal length instruments. The 8192 x 5460 pixel array provides the resolution needed for large-format printing without sacrificing image scale.

    ASI4400MC Pro vs. ASI6200MC Pro: Choosing Your Sensor

    ZWO's ASI6200MC Pro offers higher resolution at 62 MP, which is a clear advantage for imagers prioritizing maximum detail and cropping flexibility. The ASI4400MC Pro, however, counters with two critical advantages for specific use cases. Its larger 4.4µm pixels are more sensitive and provide better sampling on telescopes with focal lengths over 1500mm, reducing the risk of being oversampled. More importantly, the ASI4400MC Pro has a significantly deeper full well capacity of 74.6k e-, which prevents bright stars in dense clusters or galactic cores from saturating, preserving color and detail where smaller wells would clip to white.

    74.6k e- Full Well and 14-Bit Depth

    A massive full well capacity of 74.6k e- is what sets this sensor apart for high-dynamic-range imaging. This depth allows the 4.4µm pixels to collect nearly 50% more photons than many competing sensors before saturation, which is critical for capturing the extreme brightness differences in objects like the Orion Nebula (M42). Combined with the native 14-bit analog-to-digital converter, the camera delivers the smooth, clean data needed to pull faint, dusty outer structures out of the background without blowing out the bright core.

    30-35°C Cooling and Zero Amp Glow

    To produce clean long-exposure images, the ASI4400MC Pro employs a two-stage thermoelectric cooler capable of reducing the sensor temperature by 30-35°C below ambient. This aggressive cooling drastically reduces thermal noise, the primary source of noise in deep-sky astrophotography. ZWO's integrated zero amp glow circuitry and built-in anti-dew heater further ensure your raw frames are clean and free of common artifacts, simplifying your post-processing workflow.

    512MB Buffer for Reliable Data Transfer

    A full-frame, 14-bit image file is substantial, and any interruption during transfer can result in a lost sub-exposure. The ASI4400MC Pro mitigates this risk with a 512MB DDR3 memory buffer. This buffer acts as a temporary holding area, ensuring stable data transmission to your computer over the USB 3.0 interface, even if the host PC is temporarily busy with other tasks. This feature is essential for maintaining a consistent and reliable imaging sequence throughout the night.

  • How do I choose between the ZWO ASI4400MC Pro and the ASI6200MC Pro?

    Choose the ASI4400MC Pro if your priority is maximum dynamic range and optimal performance with long focal length telescopes. Its larger 4.4µm pixels and huge 74.6k e- full well are ideal for capturing targets with extreme brightness variations, like globular clusters or galactic cores. Choose the ASI6200MC Pro if you need maximum resolution for large prints or aggressive cropping, and your telescope is well-matched to its smaller 3.76µm pixels.

    How will the ASI4400MC Pro's 4.4µm pixels perform on an 11" f/10 SCT?

    An 11" f/10 SCT typically has a focal length around 2800mm. With 4.4µm pixels, the ASI4400MC Pro will yield an image scale of approximately 0.32 arcseconds per pixel. This is an excellent match for nights of very good seeing, allowing you to resolve extremely fine detail in galaxies and planetary nebulae. For average seeing conditions, binning 2x2 would produce a more forgiving 0.64"/pixel scale while increasing sensitivity.

    Can the ASI4400MC Pro capture the entire Andromeda Galaxy (M31) in one frame?

    Yes, with the right telescope. The Andromeda Galaxy is roughly 3 degrees wide. Paired with a wide-field refractor with a focal length of around 700mm, the ASI4400MC Pro's 36mm wide sensor can comfortably frame the entire galaxy and its satellite companions, M32 and M110.

    Does the ZWO ASI4400MC Pro require an external 12V power supply to function?

    Yes. An external 12V @ 3A power supply is mandatory for the ASI4400MC Pro to operate. The camera will not be recognized by your computer and will not capture images without it, even if you do not plan to use the sensor cooling. The power is required for the sensor, buffer, and internal electronics.

    How do I achieve the standard 55mm back focus with the included parts for the ASI4400MC Pro?

    The camera body has a native back focus of 17.5mm. To reach the standard 55mm, you use the included spacers. The combination is: Camera (17.5mm) + 21mm Spacer + 16.5mm Spacer = 55mm. The M42-M48 adapter is also included if your imaging train uses M42 threads.

    What does "Zero Amp Glow" mean for the ASI4400MC Pro?

    Amp glow is a faint illumination seen in the corners or edges of an image, caused by heat from the camera's electronics. The ASI4400MC Pro has dedicated hardware circuitry that completely suppresses this glow at the source. This means your raw images are cleaner, and you do not need to rely on complex calibration frames like darks to remove it during processing.

  • Sensor 36mm x 24mm Sony BSI CMOS (Full Frame)
    Resolution 8192 x 5460 (44.7 MP)
    Pixel Size 4.4µm
    Quantum Efficiency (Peak) 80%
    Full Well Capacity 74.6k e-
    Bit Depth 14-bit
    Max Frame Rate 8.3 FPS
    Cooling Two-Stage TEC, 30-35°C below ambient
    Shutter Type Electronic Rolling Shutter
    Image Buffer 512MB DDR3
    Amp Glow Control Yes
    Anti-Dew Heater Yes
    Camera Window IR Cut
    Computer Interface USB 3.0
    Telescope Interface M54 Threads
    Power Requirement 12V @ 3A
    Weight 1.5 lbs
    Sensor Diagonal 43.3mm

    • ASI4400MC Pro Color Camera

      × 1

    • Soft Padded Case

      × 1

    • M54 Dust Cover

      × 1

    • 2m USB 3.0 Cable

      × 1

    • 0.5m USB 2.0 Cable

      × 2

    • M48-M54 21mm Spacer

      × 1

    • M48-M48 16.5mm Spacer

      × 1

    • M42-M48 Adapter Ring

      × 1

    • Hex Wrench

      × 1

    • Quick Start Guide

      × 1

  • ZWO 2-Year Limited Warranty