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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.
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"
Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"

Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"

by Baader Planetarium
SKU BAA-2954217
$383.00 - $383.00
$383.00
$383.00 - $383.00
$383.00
Price Match Policy!
  • 17.5mm Focal Length
  • 76° Apparent Field of View
  • ~20mm Long Eye Relief
  • Dual 1.25" and 2" Barrels
  • M43 Thread for Photo-Video Adaptation
1 in stock
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  • Description
  • FAQ
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  • Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"

    The Baader Morpheus 76° Eyepiece 17.5mm delivers an immersive, flat-field view across its entire 76° apparent field of view. Its sophisticated eight-lens optical design provides nearly 20mm of eye relief, ensuring full-field visibility for observers with or without eyeglasses. A uniquely integrated dual-barrel system allows the Morpheus 17.5mm to be used in both 1.25" and 2" focusers without an adapter, saving up to 21mm of critical focus travel.

    A Flat, 76° Field with Planetary Contrast

    The Morpheus 17.5mm optical design focuses on delivering a sharp, distortion-free image right to the 76° field stop. The eight-lens system, which includes one ED and two Lanthanum elements, produces views with on-axis sharpness and contrast that rival dedicated planetary eyepieces, while maintaining pinpoint stars across the entire flat field, even in fast telescopes.

    • Phantom Coating® Group: Index-matched to each glass element, these advanced multi-coatings maximize light transmission and minimize reflections for a bright, high-contrast image.
    • Zero Angular Magnification Distortion: Unlike eyepieces that stretch the outer field to claim a larger AFOV, the Morpheus 17.5mm presents celestial objects with their true shape, making it ideal for observing planetary disks and lunar features as they drift across the field.
    • Optimized Baffling: Internal mechanics are fully ray-traced and baffled to eliminate stray light, ensuring a dark sky background that makes faint deep-sky objects stand out.

    ~20mm Eye Relief and the "Spacewalk" Effect

    With nearly 20mm of eye relief and a large, forgiving eye lens, the Morpheus 17.5mm provides a comfortable and immersive viewing experience. This generous eye relief allows eyeglass wearers to see the entire 76° field without vignetting. The combination of a wide, sharp field and comfortable eye placement creates the famous "spacewalk" feeling, where the eyepiece seems to disappear, leaving you floating among the stars.

    • Optimized for Binoviewing: The slim 55mm main body provides maximum nose clearance, allowing for comfortable binoviewing even for users with an interpupillary distance as narrow as 55mm.
    • Folding & Winged Eyecups: Two included eyecups—a standard foldable rubber guard and a special winged version—allow you to block stray light and find the perfect eye position for maximum comfort.

    Dual 1.25"/2" Barrels and M43 Imaging Thread

    The Morpheus 17.5mm features an integrated barrel design that accommodates both 1.25" and 2" focusers natively. The 2" barrel is part of the eyepiece body, which saves 21mm of inward focus travel compared to using a separate 1.25"-to-2" adapter—a critical advantage for Newtonian reflectors with limited back-focus. For astrophotography, a hidden M43 thread under the eyecup allows for a secure, direct connection to DSLR and system cameras for high-magnification eyepiece projection.

    • Slip-Protect Safety-Kerfs: Instead of a deep, traditional undercut that can snag on compression rings, the barrels feature numerous shallow kerfs that provide a secure grip without alignment issues.
    • Luminescent Labeling: After a brief exposure to light, the markings glow softly, allowing you to identify the 17.5mm focal length instantly in complete darkness.

    Morpheus 76° vs. 82° Eyepieces: The Importance of a True Field

    While many eyepieces advertise fields of 82° or more, the Morpheus 17.5mm was deliberately engineered for a 76° field to optimize the complete viewing experience. The design prioritizes a flat, distortion-free true field and long eye relief over a larger, but potentially compromised, apparent field.

    • Distortion Control: Some wider-field designs introduce significant angular distortion at the edges, stretching stars and warping the shapes of galaxies or clusters. The Morpheus 17.5mm maintains geometric accuracy across the entire field.
    • Ease of View: The "spacewalk" feeling is a function of more than just AFOV; it requires long eye relief and control of pupil aberrations. The Morpheus 17.5mm delivers this immersive view without forcing your eye uncomfortably close to the lens.
    • Trade-Off Acknowledgement: You get a slightly smaller number on the spec sheet in exchange for a view that is sharp edge-to-edge, comfortable for long sessions, and photographically flat.

  • What makes the Baader Morpheus 17.5mm eyepiece ideal for binoviewing?

    The Baader Morpheus 17.5mm is designed with a slim 55mm maximum outer diameter, providing ample nose clearance for most observers. This allows for a comfortable interpupillary distance (IPD) as narrow as 55mm, making it usable even for children. Combined with its long eye relief and included winged eyeguards, it offers an immersive and comfortable two-eyed viewing experience.

    How does the dual 1.25"/2" barrel on the Morpheus 17.5mm work?

    The eyepiece has a standard 1.25" barrel for use in any 1.25" focuser or diagonal. The main body above it is machined to a 2" diameter, allowing you to insert the entire eyepiece directly into a 2" focuser without needing a separate adapter. This integrated design saves approximately 21mm of inward focus travel, which is often critical for achieving focus in Newtonian telescopes.

    Can I use the Morpheus 17.5mm for astrophotography?

    Yes. The Morpheus 17.5mm is excellent for eyepiece projection photography. By unscrewing the rubber eyecup, you reveal a standard M43 thread. Using an optional Baader M43/T-2 adapter, you can securely attach a DSLR or other T-threaded camera body for high-magnification imaging of the Moon and planets. Its flat-field design ensures sharpness across the camera sensor.

    Why choose the 76° Morpheus 17.5mm over an 82° eyepiece?

    The Morpheus 17.5mm prioritizes optical purity and comfort over the largest possible field-of-view number. It offers a flatter, more distortion-free 76° field and significantly longer eye relief (~20mm) than many 82° designs. This results in sharper stars at the edge and a more comfortable, immersive "spacewalk" experience, especially for eyeglass wearers.

    How will the Morpheus 17.5mm perform on the Orion Nebula (M42) in a Dobsonian telescope?

    The Morpheus 17.5mm is an excellent choice for this scenario. In a typical 8" f/6 Dobsonian, it would provide about 69x magnification. The wide, sharp 76° field of view will frame the entire nebula, from the Trapezium core out to the fainter wings, within a single view. The high-contrast optics will reveal intricate detail in the gas clouds, and the sharp field means you can let the object drift for longer before needing to nudge the telescope.

    Is the 17.5mm Morpheus a good choice for viewing Jupiter with an 8" SCT?

    Yes, it's a superb choice. An 8" f/10 SCT has a focal length around 2032mm, so the 17.5mm Morpheus will yield 116x magnification, a perfect power for steady seeing conditions. The eyepiece's high on-axis sharpness will resolve fine details like cloud bands, the Great Red Spot, and transiting moons. The wide 76° field provides a generous amount of space around Jupiter, creating a more engaging "planet-in-space" view rather than a tight, cramped one.

  • Focal Length 17.5mm
    Apparent Field of View 76°
    Eye Relief ~20mm
    Barrel Size 1.25" and 2" (integrated)
    Optical Design 8 lenses (includes 1 ED and 2 Lanthanum elements)
    Coatings Phantom Coating® Group
    Outer Diameter 55mm
    Photo/Video Thread M43
    Safety Feature Slip-Protect Safety-Kerfs
    Net weight (kg) 0.45
    Field Stop Diameter 23.55 mm
    Parfocal Eyepieces No
    Special Features Photo-luminescent engraving: lets you find the correct eyepiece at all times
    Optional Accessories Baader Utility Bag #2954201 for small accessories
    Speciality Eyepiece projection: classical
    Threaded for filters Yes
    Field Stop Displacement to reference plane + 2.5 mm
    Number of Groups 5
    Dustcaps 1¼" dustcap (31.8mm), 2" dustcap (46.5mm - fits over eyecup), 2" dustcap (49mm)
    Backfocus gain w. 2“ Barrel (mm) 21 mm
    Eyepiece Body above Reference Plane (mm) 77.5 mm
    Length of 1¼" barrel (mm) 24 mm
    Length of 2" barrel (mm) 21 mm
    Eyepiece Series Morpheus
    Inner Connection (lens sided) M28.5
    Outer Connection (lens sided) ø 1¼" (31.75 mm), ø 2" (50.8mm)

    • Baader Morpheus 17.5mm Eyepiece

      × 1

    • Standard Folding Rubber Eyecup

      × 1

    • Winged Rubber Eyecup for Binoviewing

      × 1

    • Eyepiece Holster / Belt Pouch

      × 1

  • Baader Planetarium Warranty