Focus Masks

🎯 Focus Masks – Bahtinov & Tri-Bahtinov (3D-Printed)

Achieve perfect astrophotography focus with our Bahtinov and Tri-Bahtinov focus masks, 3D-printed in premium European PETG and custom-made for your instrument. Whether you use a Newtonian telescope, Schmidt-Cassegrain, Maksutov, refractor or even a camera lens, each mask is designed to deliver fine, stable, and repeatable focusing.

  • 🔭 Classic Bahtinov masks: quick and precise focusing for all instruments
  • ✨ Tri-Bahtinov masks: fine focus + collimation check (SC, RC, Mak, Newton)
  • 📐 Custom-made manufacturing: all diameters, all brands, no standard limits
  • 🔬 Optical optimization: applying the true Bahtinov factor based on aperture and focal length
  • 🧩 Practical plug-in system: quick and secure attachment
  • ♻️ 3D printing in premium European PETG: robust and durable

With Azur3DPrint, you get accessories designed by an enthusiast, for enthusiasts. Our masks are field-tested and validated by astrophotographers to guarantee optimal astrophotography focus every time.

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  • Masks for Newtonian
    Masks for Newtonian

    🎯 Focus Masks for Newtonian Telescopes

    Newtonian telescopes are among the most popular instruments for amateur astronomers, but both collimation and focusing require high precision. Our Bahtinov focus masks and Tri-Bahtinov masks for Newtonians are specifically designed to ensure perfectly sharp stars, even in long-exposure astrophotography.

    • 🔭 Compatible with all Newtonians: from beginner Dobsonians to large Newtons dedicated to astrophotography
    • ✨ Tri-Bahtinov for Newtonians: fine focusing plus built-in collimation control
    • 📐 Custom-made: each mask is tailored to your Newton’s diameter and brand, with no compromise
    • 🔬 Optical optimization: design based on the true Bahtinov factor according to your scope’s aperture and focal length
    • 🧩 Practical fastening: quick and reliable slip-on system, no tools required
    • ♻️ Premium European PETG: robust, durable and resistant to night-time temperature variations

    With Azur3DPrint, your Newtonian telescope gains in precision. Each mask is designed to simplify your observing nights and make your astrophotography sessions more reliable.

  • Masks for Schmidt-Cassegrain
    Masks for...

    🎯 Focus Masks for Schmidt-Cassegrain Telescopes (SCT)

    Schmidt-Cassegrain telescopes (SCTs) are renowned for their compact design and versatility, but achieving precise focus is essential — especially in astrophotography. Our Bahtinov focus masks and Tri-Bahtinov masks for SCTs are specially designed to unlock the full potential of your instrument, from Celestron C6 to C14, as well as Meade LX200 and EdgeHD models.

    • 🔭 Compatible with all SCTs: Celestron, Meade, EdgeHD — from small to large apertures
    • ✨ Tri-Bahtinov for SCTs: ultra-fine focusing plus integrated collimation control
    • 📐 Custom-made: tailored dimensions for each model, no compromise
    • 🔬 Optical optimization: design based on the true Bahtinov factor according to your SCT’s aperture and focal length
    • 🧩 Quick fastening: reliable slip-on system, built to withstand repeated handling
    • ♻️ Premium European PETG: strength and durability, resistant to night-time temperature variations

    With Azur3DPrint, your Schmidt-Cassegrain gains in both precision and ease of use. Our masks ensure perfectly sharp stars and repeatable focus — essential for planetary and deep-sky imaging.

  • Masks for RC / Mak
    Masks for RC / Mak

    🎯 Focus Masks for Ritchey-Chrétien (RC) & Maksutov (Mak)

    Ritchey-Chrétien (RC) and Maksutov (Mak) telescopes are renowned for their exceptional optical quality, but they require extremely precise focusing to reveal their full potential. Our Bahtinov focus masks and Tri-Bahtinov masks for RC and Mak are specially designed for these demanding instruments, ensuring sharp stars and reliable collimation.

    • 🔭 Compatible with all RC & Mak: from compact planetary Maksutovs to astrophotography-grade Ritchey-Chrétiens
    • ✨ Tri-Bahtinov for RC & Mak: fine focusing plus integrated collimation control
    • 📐 Custom-made: each mask is tailored to your instrument’s diameter and brand
    • 🔬 Optical optimization: design based on the true Bahtinov factor according to aperture and focal length
    • 🧩 Practical fastening: quick and reliable slip-on system
    • ♻️ Premium European PETG: durability and stability, even under night-time thermal variations

    With Azur3DPrint, your Ritchey-Chrétien and Maksutov telescopes gain in reliability and precision. Our masks guarantee stable and repeatable focusing, essential for making the most of your instrument’s full optical capacity.

  • Masks for Refractors & Camera Lenses
    Masks for Refractors &...

    🎯 Focus Masks for Refractors & Camera Lenses

    Whether you are using an apochromatic refractor or a fast camera lens, focusing must be absolutely precise to achieve successful astrophotography. Our Bahtinov focus masks for refractors and lenses are custom-made to fully exploit your instrument’s optical quality.

    • 🔭 Compatible with all refractors: APO, ED, achromatic and semi-apo
    • 📷 Designed for camera lenses: iconic example, the Rokinon or Samyang 135 mm f/2 widely used by astrophotographers
    • 📐 Custom-made: no standard sizes, each mask is calculated for your specific optic
    • 🔬 Optical optimization: based on the true Bahtinov factor according to aperture and focal length
    • 🧩 Practical fastening: quick and reliable slip-on system, even for small diameters
    • ♻️ Premium European PETG: robustness, stability and long-term durability

    With Azur3DPrint, your refractors and camera lenses become even more powerful astrophotography tools. Our masks ensure repeatable focusing and maximum precision, essential for both deep sky and wide-field imaging.