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Player One Mars-M IMX290 Mono Planetary Camera

SKU POA-Mars-M
Original price CA$250.00 - Original price CA$250.00
Original price
CA$250.00
CA$250.00 - CA$250.00
Current price CA$250.00
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  • Sensor: Sony IMX290 1/2.8" Mono CMOS
  • Resolution: 1944x1096 (2.1 Megapixels)
  • Pixel Size: 2.9µm
  • Max Frame Rate: 136 FPS (10-bit)
  • Read Noise: 0.98e (Minimum)
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  • Description
  • FAQ
  • Specifications
  • In the Box
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  • Player One Mars-M IMX290 Mono Planetary Camera

    The Player One Mars-M IMX290 Mono Planetary Camera combines a 2.1 Megapixel Sony IMX290 sensor with 2.9µm pixels, a combination purpose-built for high-resolution lunar and planetary imaging. It achieves a maximum frame rate of 136 FPS at full resolution, while its high-sensitivity design reaches a peak QE of approximately 80% with read noise as low as 0.98e. The 1/2.8" CMOS sensor features a 6.5mm diagonal and a full well capacity of 14.6k e, captured through a 12-bit ADC for smooth tonal gradations on bright targets like Jupiter and Saturn.

    Sony IMX290 Sensor: 2.1 MP, 2.9µm Pixels, and ~80% QE

    At the core of the Mars-M is the monochrome Sony IMX290 sensor, prized for its high sensitivity and extremely low read noise. Its 2.9µm pixels create a sharp image scale on long focal length Schmidt-Cassegrains and Maksutovs, resolving fine detail in cloud bands and crater rims without requiring aggressive Barlow lenses. As a monochrome camera, it captures significantly more light than its color counterparts, resulting in brighter, higher-contrast images that are essential for lucky imaging.

    With a peak Quantum Efficiency of ≈80% and read noise that drops to just 0.98e, the Mars-M extracts faint details with minimal noise, even during very short exposures. While its 6.5mm diagonal sensor is optimized for planets, the Moon, and sunspots, its primary trade-off is a smaller field of view, making it less suited for capturing large nebulae or galaxies in a single frame.

    136 FPS Capture with Onboard DDR3 Cache

    The Mars-M can stream full-resolution 1944×1096 video at up to 136 FPS in 10-bit mode. This high frame rate is critical for freezing moments of atmospheric stability, allowing you to select only the sharpest frames for stacking. To ensure every one of those frames is captured without corruption, Player One includes an onboard DDR3 cache.

    This cache acts as a high-speed buffer, preventing dropped frames that can occur when the host computer's hard drive cannot keep up. It stabilizes data transmission, reduces read noise, and lowers the computational demand on your PC. This makes high-speed capture reliable even on older laptops or when using a USB 2.0 connection.

    DPS Technology and a D21*1.1MM AR-Coated Window

    The Mars-M incorporates several features to ensure clean, high-contrast images. Dead Pixel Suppression (DPS) is an onboard technology that analyzes dark frames to map and correct for hot or cold pixels automatically. This correction happens inside the camera before the data is sent to your computer, saving you a post-processing step.

    The sensor is protected by a D21*1.1MM window with a multi-layer anti-reflection coating (AR Plus), maximizing light transmission and preventing internal reflections. For solar imagers, an adjustable focal plate helps mitigate Newton's rings, a common frustration when imaging through narrowband solar telescopes.

    Player One Mars-M vs. ZWO ASI290MM: A Head-to-Head Comparison

    Both the Mars-M and ZWO's popular ASI290MM camera are built around the same excellent Sony IMX290 monochrome sensor, giving them nearly identical resolution, pixel size, and quantum efficiency. The primary differences lie in the features Player One has engineered around the sensor.

    • ZWO ASI290MM Advantage: ZWO offers a mature and extensive software ecosystem, including native support in their ASIAIR devices, which is a significant factor for many imagers.
    • Player One Mars-M Advantage: The Mars-M includes an onboard DDR3 cache, which the standard ASI290MM lacks. This buffer provides more stable data transfer and prevents dropped frames, a critical asset in high-speed planetary work. The Mars-M also specifies a slightly lower minimum read noise (0.98e vs. 1.3e) and features onboard Dead Pixel Suppression (DPS).
  • What is the advantage of the Player One Mars-M's monochrome IMX290 sensor?

    A monochrome sensor is significantly more sensitive than a color sensor because every pixel is used to detect light, rather than being filtered for red, green, or blue. This results in brighter, sharper, and higher-contrast images of the Moon and planets. For color imaging, you can use a separate filter wheel to create superior LRGB composites.

    How does the DDR3 cache on the Mars-M camera improve planetary imaging?

    The DDR3 cache acts as a buffer to prevent data loss during high-speed video capture. When you're recording at 136 FPS, your computer's hard drive can sometimes lag, causing "dropped frames." The cache stores the data temporarily, ensuring a smooth and stable transfer, so you never lose critical data during a moment of perfect seeing.

    Can the Player One Mars-M be used for guiding?

    Yes. The Player One Mars-M is equipped with a standard ST4 guide port. Its high sensitivity and low read noise make it an excellent autoguider for deep-sky imaging when you are not using it for planetary work.

    What kind of performance can I expect from the Mars-M on Jupiter with an 8" f/10 SCT?

    The 2.9µm pixels of the Mars-M are an excellent match for a typical 8" f/10 SCT, providing a well-sampled image scale for Jupiter's cloud bands and Great Red Spot. At this focal length, you can capture detailed video at high frame rates (over 60 FPS) to "freeze" atmospheric turbulence, allowing software like AutoStakkert! to produce a sharp final image.

    Is the Player One Mars-M suitable for imaging solar prominences or sunspots?

    Absolutely. The Mars-M's monochrome sensor is highly sensitive to the H-alpha wavelength used in most dedicated solar telescopes. Its high frame rate is ideal for capturing sharp detail in active regions and prominences. The camera also features an adjustable focal plate to help reduce Newton's rings, a common artifact in solar imaging.

    What does the Dead Pixel Suppression (DPS) on the Mars-M camera do?

    DPS is a built-in feature that automatically identifies and corrects for defective pixels on the sensor. It analyzes dark frames to create a map of these pixels and then replaces their values with an average of the surrounding pixels during imaging. This provides a cleaner image straight from the camera, reducing the need for manual cosmetic correction in software.

  • Sensor SONY IMX290 1/2.8" CMOS
    Total Pixels 2.1 Megapixels
    Max Resolution 1944×1096
    Pixel Size 2.9μm
    Sensor Diagonal 6.5mm
    Image Size 5.6mm × 3.2mm
    Max Frame Rate 136 FPS (10bit)
    Shutter Type Rolling shutter
    Exposure Range 32μs - 2000s
    Readout Noise 3.2e ~ 0.98e
    QE Peak ≈80%
    Full Well 14.6k e
    ADC 12 bit
    Protective Window D21*1.1MM High Quality AR Plus (Anti Reflection) Multi-Layer Coating
    Data Port USB 3.0 / USB 2.0
    Guide Port ST4
    Adapter 1.25″ / M42 x 0.75
    Back Focal Length 12.5mm
    Diameter 66mm
    Weight 180g
    Resolution & Frame Rate (USB 3.0) 1944×1096: 136 FPS (RAW8) / 62.5 FPS (RAW16)
    1920×1080: 138 FPS (RAW8) / 63.5 FPS (RAW16)
    1280×720: 205 FPS (RAW8) / 94.1 FPS (RAW16)
    800×600: 245 FPS (RAW8) / 112.4 FPS (RAW16)
    640×480: 304 FPS (RAW8) / 139.3 FPS (RAW16)
  • Player One 2-Year Warranty