• New
Black PETG Tri-Bahtinov mask for Sky-Watcher Skymax 127 Maksutov telescope, focusing and collimation tool.
search
  • Black PETG Tri-Bahtinov mask for Sky-Watcher Skymax 127 Maksutov telescope, focusing and collimation tool.
  • Tri-Bahtinov Mask for Sky-Watcher Skymax 127
  • Tri-Bahtinov Mask for Sky-Watcher Skymax 127
  • Tri-Bahtinov Mask for Sky-Watcher Skymax 127

Tri-Bahtinov Mask for Sky-Watcher Skymax 127

€19.90
Tax included

Unlock the full planetary tracking potential of your Sky-Watcher Skymax 127. Achieve surgical sharpness on Lunar and planetary targets.

  • 🔄 Simultaneous Dual Action: Tweak micrometric focus and secondary mirror alignment in real-time using star diffraction spikes.
  • 🛡️ Soft Felt Rim Protection: Inner rim lined with premium felt padding to shield your telescope's factory paint from scratches.
  • 🔒 Direct Slip-On Sleeve: Custom-modeled for the front cell of the Mak 127, remaining perfectly centered even when pointing at the zenith.
  • 💎 Premium Black PETG Build: 100% opaque, dew and frost-resistant matrix delivering high-contrast, crisp spikes on-screen.
Quantity
En cours d'impression

Tri-Bahtinov Mask — Sky-Watcher Skymax 127

The definitive hardware tool for high-resolution planetary imaging on Maksutov optics

The Sky-Watcher Skymax 127/1500 Maksutov-Cassegrain telescope is an absolute benchmark for planetary and lunar imaging due to its inherently sharp, chromatic-aberration-free design and generous native focal length. However, at a slow f/11.8 focal ratio, the critical focus zone is exceptionally tight: the slightest focal shift or a loose collimation will instantly degrade fine surface details on Jupiter, Saturn, or complex lunar rilles.

🔭 The Tri-Bahtinov Method: Simultaneous Axis Calibration

🎯 Real-Time Alignment Spikes

While a standard Bahtinov mask only tells you when focus is locked, the segmented geometry of the Tri-Bahtinov runs much deeper. Positioned in line with the three secondary mirror adjustment screws, it lets you visually track and tune both focus and collimation simultaneously, live on your screen via bright star diffraction patterns.

⚡ Stop Chasing Wobbly Airy Disks

When the three spike tracks intersect perfectly in the center, your Skymax 127 is mechanically optimized. There is no need to decipher a dancing, distorted Airy pattern through heavy atmospheric turbulence: the check becomes fully geometric and fast, saving precious imaging windows.

Bespoke Shielding Tailored for Sky-Watcher Housings

Every single unit is custom-molded to perfectly match the precise outer diameter of the front cell of the Sky-Watcher Maksutov 127 barrel (matching Az-Eq, EQ, or classic dual-tone black assemblies):

  • Friction Fit External Sleeve: Designed to slide directly over the front cell opening. Completely avoids aggressive plastic thumbscrews that mar metallic coats or induce mechanical optical de-centering. The mask stays rock-solid and centered, even when tracking at the zenith.
  • Non-Marring Soft Felt Lining: To protect your telescope cell finish, we line the interior rim flange with a continuous, premium-grade soft felt strip. Acting as a padded buffer, it dampens structural friction during installation, avoiding paint scratches while securing a firm, vibration-free grip.
  • Technical Grade Black PETG Build: Our focus masks are printed using technical high-density PETG, chosen for its excellent dimensional retention against severe outdoor elements (heavy dew, deep frost). Unlike cheap PLA prints that warp under hot summer car storage, our PETG retains its shape. Its 100% opaque black tint absorbs internal scattering to deliver clean diffraction lines.

"The Mak 127 is a portable powerhouse for planetary imaging, but at 1500mm focal length, even a minor secondary mirror tilt washes out contrast on Jupiter's cloud belts or Saturn's Cassini Division. The Tri-Bahtinov irons out this issue under two minutes, turning alignment into a streamlined visual process. It is a mandatory accessory for any planetary observer's kit box."

— Vincent, Founder of Azur3dprint

Technical Specifications

  • Base Compatibility: Sky-Watcher Skymax 127 optical tube assemblies (127mm Maksutov-Cassegrain).
  • Core Functions: Micrometric focus tracking + Real-time 3-axis secondary mirror collimation.
  • Material Matrix: Industrial-grade high-durability UV, moisture, and impact-resistant Black PETG.
  • Internal Protection: Non-abrasive continuous soft felt scratch-guard ring insert.
  • Mount Style: Direct sleeve slip-fit utilizing gentle perimeter friction.
REF012

Data sheet

Type de filament
Petg
Colour
Black