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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.

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Baader Eyepiece Adapter - 1.25"/M41 Morpheus to Kowa TSN 770/880

SKU BAA-2454520
Original price $57.00 - Original price $57.00
Original price
$57.00
$57.00 - $57.00
Current price $57.00
Price Match Policy!
  • Adapts Baader Morpheus eyepieces to Kowa spotting scopes
  • Compatible with Kowa TSN 770 and TSN 880 models
  • Utilizes the M41 thread on Morpheus eyepieces for a secure, direct connection
  • Unlocks the use of 1.25" wide-field astronomical eyepieces on premium terrestrial scopes
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty
  • Baader Eyepiece Adapter - 1.25"/M41 Morpheus to Kowa TSN 770/880

    This Baader Eyepiece Adapter connects Baader's Morpheus 1.25" eyepieces directly to the bayonet mount of Kowa's premier TSN 770 and TSN 880 spotting scopes. By leveraging the secure M41 thread native to the Morpheus eyepiece design, this adapter unlocks the immersive, wide-field views of astronomical eyepieces for high-end terrestrial observation.

    M41 Adapter: Bring Baader Morpheus Views to Your Kowa 770/880 Scope

    Kowa's spotting scopes are legendary for their optical clarity, but this adapter opens a new avenue of optical configuration. It allows you to replace the stock Kowa zoom eyepiece with any of the fixed-focal-length Baader Morpheus eyepieces, trading the convenience of a zoom for the expansive, tack-sharp field of a dedicated astronomical eyepiece.

    The direct M41 threaded connection ensures perfect optical alignment and mechanical rigidity, with no risk of wobble or misalignment from a standard slip-fit adapter. This is the definitive solution for birders, nature observers, and long-range shooters who want to combine the best of German astronomical engineering with Japan's finest terrestrial optics for the widest possible field of view.

  • What does the Baader M41 to Kowa TSN adapter allow me to do?

    This adapter allows you to physically connect a Baader Morpheus 1.25" eyepiece to a Kowa TSN 770 or TSN 880 spotting scope. It replaces the standard Kowa eyepiece, letting you use a high-end, wide-field astronomical eyepiece for terrestrial viewing.

    Is this adapter compatible with any 1.25" eyepiece?

    No. While the Morpheus eyepieces fit a 1.25" focuser, this adapter is specifically designed to use the M41 thread found on the body of Baader Morpheus eyepieces. This creates a more secure, rigid connection than a standard 1.25" compression ring or thumbscrew holder, ensuring perfect alignment.

    Will I lose any functions using the Baader Morpheus adapter on my Kowa 880 scope?

    Yes. By replacing the stock Kowa eyepiece, you will trade the variable magnification of the zoom eyepiece for the fixed magnification and wider apparent field of view of a Morpheus eyepiece. This is a deliberate trade-off for observers who prioritize an immersive, expansive view over the ability to change magnification.

    Why use a fixed Baader Morpheus eyepiece for birdwatching with my TSN 770?

    A wide-field eyepiece like a Baader Morpheus makes it significantly easier to acquire and track moving targets, such as birds in flight. The expansive view feels more natural and immersive, and it allows you to see more of the surrounding environment, which can be critical for spotting a bird as it enters the frame.

    Does the Baader M41 adapter require tools for installation?

    No. The adapter is designed for tool-free installation. It connects to the Kowa spotting scope's bayonet mount, and the Morpheus eyepiece then threads directly onto the adapter's M41 threads.

    Can I use 1.25" filters with the Baader M41 Morpheus adapter setup?

    Yes. The Baader Morpheus eyepieces themselves feature standard 1.25" filter threads on their barrels. The adapter does not interfere with this, so you can still use any 1.25" filter (like a polarizing or UV filter for terrestrial use) by threading it onto the Morpheus eyepiece before attaching it to the adapter.

  • Net weight (kg) 0.02
    Compatible Brands Other
    Clamping System Screw clamps
    Inner Diameter / Clear Aperture (mm) 31.75 (1¼")
    Outer Diameter 41.75
    Type of Adapter Eyepiece Clamp
    Optical length (mm) 4.75
    Inner Connection (eyepiece/-camera-sided) ø 1¼" (31.75 mm)
    Outer Connection (lens sided) M41
  • Baader Planetarium Warranty