Skip to content
Price match 30-day returns* Talk to an astronomer before you buy
ZWO T2 to Micro 4/3 Lens Adapter
ZWO T2 to Micro 4/3 Lens Adapter

ZWO T2 to Micro 4/3 Lens Adapter

by ZWO
SKU ZWO-T2-M43
CA$49.00 - CA$49.00
CA$49.00
CA$49.00 - CA$49.00
CA$49.00
Price Match Policy!
  • Adapts M42x0.75 (T2) Threads to Micro 4/3 (M43) Lens Mount
  • Enables Use of Photographic Lenses on ZWO Astronomy Cameras
  • All-Metal, Black Anodized Construction
  • Mechanical Adapter - No Electronic Control for Focus or Aperture
1 in stock
Qualifies for FREE Shipping in Canada on orders over $500.
  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • ZWO T2 to M43 Lens Adapter for Select ASI Cameras

    The ZWO T2 to M43 Lens Adapter connects your astronomy camera's M42 T-threads to the wide ecosystem of Micro 4/3 lenses. This single-piece adapter bridges the two distinct optical standards, allowing you to use high-quality photographic lenses for astrophotography under a 2-year warranty.

    Adapt Micro 4/3 Lenses to M42 T-Threads

    Unlock wide-field astrophotography by mounting premium Micro 4/3 photographic lenses directly to your ZWO astronomy camera. This adapter lets you leverage the excellent optics of M43 lenses to capture vast targets that are too large for a typical telescope field, such as the Andromeda Galaxy (M31) or the expansive Rho Ophiuchi cloud complex.

    Understanding Manual Control with M43 Lenses

    This is a purely mechanical adapter with no electronic contacts to communicate with the lens. Consequently, both focus and aperture must be controlled manually on the lens itself. Before purchasing, confirm that your Micro 4/3 lens allows for manual adjustment, as lenses relying on in-camera electronic control will not be adjustable.

    Physical Compatibility with ZWO T2 Cameras

    The T2-M43 adapter is designed for select ZWO cameras that feature an external T2 (M42x0.75) thread and a specific mechanical design. Achieving focus depends entirely on your camera's native back focus. You must consult your camera’s mechanical drawings to confirm compatibility before use.

    • Solid Construction: The adapter is machined from black anodized aluminum to provide a secure, flex-free connection between your camera and lens.
    • Compatible Models: This adapter suits the ASI1600, ASI294, ASI183 and ASI174 series and the ASI533MC-P. Check your camera's mechanical drawing before using it with any other model.

  • Which ZWO cameras work with the ZWO T2-M43 adapter?

    The T2-M43 adapter suits the ASI1600, ASI294, ASI183 and ASI174 series and the ASI533MC-P. Because it is a purely mechanical connection, verify your camera's mechanical drawing to ensure it can reach infinity focus with your chosen Micro 4/3 lens.

    Can I control aperture and focus electronically with this M43 adapter?

    No. The ZWO T2-M43 adapter is a mechanical-only adapter and does not have electronic contacts. You must use Micro 4/3 lenses that allow for manual aperture control and manual focusing.

    What astrophotography is the ZWO T2-M43 adapter best for?

    This adapter is ideal for wide-field astrophotography. Pairing a sensitive astronomy camera with a fast, wide-angle Micro 4/3 lens lets you capture large targets like the North American Nebula (NGC 7000) or the entire Cygnus Loop in a single frame, which is often impossible with a telescope.

    Will this adapter work with a ZWO ASI2600 or a ZWO Mini camera?

    The ASI2600 series and the Mini cameras are not among the suitable models. Suitable models are the ASI1600, ASI294, ASI183 and ASI174 series and the ASI533MC-P; for any other camera, check its mechanical drawing and back focus before buying.

    How do I attach the ZWO T2-M43 adapter to a compatible camera like an ASI533MC Pro?

    For many compatible cameras, you must first remove any pre-installed T2 extenders from the camera body. For example, on an ASI533MC Pro, you would unthread the 11mm T2 ring. The ZWO T2-M43 adapter then threads directly onto the camera's main body, establishing the correct spacing for Micro 4/3 lenses.

    Can I use this adapter with a full-frame sensor camera?

    While you can physically attach it to a T2-threaded full-frame camera (if back focus allows), it is not recommended. Micro 4/3 lenses are designed to illuminate a smaller sensor and will cause significant vignetting and edge distortion on a full-frame chip.

  • SKU ZWO-T2-M43
    Thread Type (Camera Side) M42x0.75 (T2) Female
    Lens Mount (Lens Side) Micro 4/3 (M43)
    Optical length 12.7 mm
    Compatible cameras ASI1600, ASI294, ASI183, ASI174 series, ASI533MC-P
    Telescope-Side Connection Micro Four Thirds bayonet female

    • T2 to M43 Adapter

      × 1

  • ZWO 2-Year Limited Warranty