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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
ZWO M68 Sensor Tilt Plate

ZWO M68 Sensor Tilt Plate

by ZWO
SKU ZWO-M68-Plate
$29.00 - $29.00
$29.00
$29.00 - $29.00
$29.00
Price Match Policy!
  • Corrects sensor tilt for sharp, round stars across the entire frame
  • Adds a minimal 5 mm of optical path length to the imaging train
  • Connects M68 (Side A) accessories to M64 (Side B) camera bodies
  • Engineered specifically for ZWO ASI6200 full-frame cameras
  • Enables precise collimation of the sensor plane with push-pull adjustment screws
1 in stock
Qualifies for FREE Shipping in CONUS on orders over $350.
  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • ZWO M68 Sensor Tilt Adapter for 6200MC/MM Pro Cameras

    The ZWO M68 Sensor Tilt Adapter is the definitive solution for achieving a perfectly flat field with full-frame cameras, connecting M68 threaded accessories to an M64 camera body like the ASI6200 series. This plate adds only 5 mm of optical path length, providing the fine adjustment needed to eliminate elongated stars in the corners of your images without disrupting critical back focus spacing.

    Achieve Perfect Corners with 5 mm of Adjustment

    Sensor tilt—a slight misalignment of the sensor plane relative to the telescope's optical axis—is a common issue with fast optical systems, resulting in misshapen stars in one or more corners. This 5 mm thick adapter allows you to make precise, independent adjustments to the sensor's orientation, ensuring the entire focal plane is perfectly perpendicular to incoming light. The result is a uniformly sharp field from edge to edge, a critical step for professional-grade astrophotography.

    M68 to M64 Connection for ZWO Full-Frame Systems

    Engineered for the ZWO ecosystem, this adapter provides a robust M68x1 female thread on the telescope side (Side A) and an M64x0.75 female thread on the camera side (Side B). This specific configuration is designed to integrate seamlessly with the ZWO ASI6200MC Pro and ASI6200MM Pro cameras, allowing you to attach M68 accessories like off-axis guiders and filter wheels directly to your full-frame camera body.

    Complete Your 55 mm Back Focus Imaging Train

    For many flatteners and reducers, achieving the standard 55 mm back focus distance is essential for optimal correction. The ZWO M68 Sensor Tilt Adapter's precise 5 mm thickness is designed to be the final component in a common ZWO full-frame imaging train. When combined with other ZWO M68 accessories, this adapter completes the optical path to 55 mm, satisfying the requirements of your corrector while also providing the necessary tilt adjustment.

  • What cameras is the ZWO M68 Sensor Tilt Adapter designed for?

    This adapter is specifically designed for ZWO's full-frame cooled cameras that feature an M64 thread, primarily the ZWO ASI6200MC Pro and ASI6200MM Pro models.

    How do I know if I need the ZWO M68 Sensor Tilt Adapter?

    If your astrophotos show sharp stars in the center but elongated or out-of-focus stars in one or more corners, you likely have sensor tilt. This issue is most prominent in "fast" optical systems (f/5 or lower) and with large full-frame sensors. This adapter provides the physical adjustment mechanism to correct that tilt.

    My stars are sharp on one side but stretched on the other with my ASI6200 and f/4 Newtonian. Will the ZWO M68 plate fix this?

    Yes, that is a classic symptom of sensor tilt. An f/4 system has a very shallow depth of focus, making even minor tilt obvious. The ZWO M68 Sensor Tilt Adapter is the correct tool to resolve this by allowing you to make micro-adjustments to square the ASI6200's sensor to the focal plane of your Newtonian.

    How much back focus does the ZWO M68 Sensor Tilt Adapter use?

    The adapter itself consumes exactly 5 mm of back focus or optical path length. Its slim profile allows it to be inserted into most imaging trains without preventing you from reaching your target back focus distance.

    How do I integrate the ZWO M68 tilt plate to achieve 55mm of back focus?

    The plate's 5 mm thickness is designed to be the final component in a standard 55 mm imaging train. A typical ZWO full-frame setup would be arranged as follows:
    Telescope Side → M68 OAG → 2" EFW → M68 Tilt Plate (5 mm) → ASI6200 Camera → Camera Side.
    This combination correctly spaces the camera sensor for most field flatteners and reducers.

    What are the thread sizes on the ZWO M68 Sensor Tilt Adapter?

    It features an M68x1 female thread on Side A (typically facing the telescope or filter wheel) and an M64x0.75 female thread on Side B (facing the camera).

  • SKU ZWO-M68-PLATE
    Telescope Side Connector (Side A) M68
    Camera Side Connector (Side B) M64
    Optical Path Length 5 mm
    Compatibility ZWO ASI6200MC/MM Pro

    • M68 Sensor Tilt Adapter for 6200MC/MM Pro Cameras

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  • ZWO 2-Year Limited Warranty