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Fine Adjustment Spacer Rings (M42/M48/M54/M68, etc & custom)1

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12 set of spacer rings 3D printed in PLA filament. Currently designed sizes are specified below, but custom spacers and thicknesses can be made upon request.

  • M42
  • M43 (Takahashi)
  • M48
  • M54
  • M56
  • M63 (William Optics / APM-Riccardi)
  • M68
  • 2.7" / M70 (Astro-Physics)
  • M72 (Takahashi)
  • M82 (APM-Riccardi)
  • M92 (Takahashi)
  • Comes with 4 different thicknesses, 3 of each are included: 0.4/0.6/0.8/1.0 mm.
  • Rings will have plenty of room to easily fit over the threads.
  • The perimeter width of the ring is 3.95 mm.

Please message me with the size(s) you would like to purchase. E-transfer and PayPal accepted.

Add $7.00 or $9.00 USD (depends on zipcode) for tracked shipping anywhere in the lower 48 states. Shipping is $4.25 USD for Canadians via Canada Post Lettermail. I will ship anywhere in the world, ask me for a quote (provide a zip or postal code).