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William Optics M42 Adapter for Elite Drawer OAG Kit

William Optics M42 Adapter for Elite Drawer OAG Kit

by William Optics
SKU WO-AD-OAG-C-M42
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$25.00
$25.00 - $25.00
$25.00
$24.00
$24.00 - $24.00
$24.00
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  • Adds an M42 x 0.75 (T2) Camera-Side Connection to the Elite Drawer OAG
  • Connects Cameras and Accessories with M42 x 0.75 (T2) Threads
  • Dovetail Connection on the OAG Side, 0 mm Optical Length
  • Complements the Kit's Included M48 and M54 Interfaces
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • William Optics M42 Adapter for Elite Drawer OAG Kit

    The William Optics M42 Adapter for Elite Drawer OAG Kit adds an M42 x 0.75 (T2) connection to the camera side of your guider assembly. This adapter makes the Elite Drawer OAG compatible with the wide range of astronomy cameras and T-rings that rely on the M42 x 0.75 standard, an interface not included with the base kit.

    Adding an M42 x 0.75 (T2) Output to Your OAG

    While the Elite Drawer OAG Kit ships with M48 and M54 camera-side adapters, many dedicated astronomy cameras and T-rings use the smaller M42 x 0.75 (T2) thread. This adapter closes that gap, letting you connect an M42-threaded camera or accessory to the OAG and filter drawer assembly with a William Optics part made for it.

    Dovetail Connection on the OAG Side

    The adapter is made to fit the William Optics Elite Drawer OAG. On its light-in side it mounts to the OAG with a dovetail connection; on its light-out side it presents an M42 x 0.75 (T2) connection for your camera or T-ring. A solid, purpose-made connection helps keep your main camera and guide camera aligned during long exposures.

    0 mm Optical Length: No Change to Your Back Focus

    The adapter's optical length is 0 mm, so it adds nothing to your imaging train's back focus. Plan your spacing as you would with the Elite Drawer OAG alone: its 37.5 mm optical length plus your camera's own back focus and any spacers, matched to the distance required by your reducer or flattener for a flat field and sharp stars.

  • What is the purpose of the William Optics M42 Adapter for the Elite Drawer OAG?

    This adapter provides an M42 x 0.75 (T2) threaded output on the camera side of the William Optics Elite Drawer OAG. It's designed for imagers whose primary camera or accessory (like a T-ring for a DSLR) uses this common thread size, which is not included in the standard OAG kit.

    My astronomy camera has M42 threads. Is this the adapter I need for the Elite Drawer OAG Kit?

    Yes. If your camera or T-ring connects with M42 x 0.75 (T2) threads, this William Optics adapter gives the Elite Drawer OAG a matching M42 x 0.75 connection on its camera side. Check the thread type of your camera or adapter before ordering.

    How does this M42 adapter attach to the William Optics Elite Drawer OAG?

    It attaches to the OAG with a dovetail connection on its light-in side. The adapter is made by William Optics to fit the Elite Drawer OAG, so no third-party converter is needed.

    Does the M42 adapter change the back focus for my reducer?

    No. The adapter has an optical length of 0 mm, so it does not change your back focus. Keep the spacing you would use with the Elite Drawer OAG alone to meet the distance required by your flattener or reducer.

  • Model M42 Adapter for Elite Drawer OAG Kit (AD-OAG-C-M42)
    Compatibility William Optics Elite Drawer OAG Kit
    OAG Side (Light-In) Dovetail
    Optical Length 0 mm
    Camera Side (Light-Out) M42 x 0.75 (T2)
    Warranty William Optics 2-year warranty

    • M42 Adapter for Elite Drawer OAG Kit

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  • William Optics 2-Year Warranty