Masks for Refractors & Camera Lenses

🎯 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.

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  • Askar refractors
    Askar refractors

    🎯 Bahtinov Focus Masks for Askar Refractors

    Askar refractors are a benchmark for demanding astrophotographers thanks to their high-quality apochromatic optics and robust mechanics. To fully exploit their potential, focusing must be carried out with extreme precision. Our Bahtinov masks for Askar refractors are custom-designed for each model, ensuring pinpoint stars and repeatable focus every session.

    • 🔭 Compatible with all Askar models: FRA400, FRA500, FRA600, FRA800, plus the PHQ series (65PHQ, 80PHQ, 107PHQ, 130PHQ) and APO/ED scopes
    • 📐 Custom-made design: dimensions adapted to each Askar dew shield, no generic standards applied
    • 🔬 Optical optimization: based on the true Bahtinov factor according to aperture and focal length
    • 🧩 Practical fastening: slip-on system designed to fit Askar dew shields perfectly
    • ♻️ Premium European PETG: strength, durability, and resistance to nighttime conditions

    With Azur3DPrint, your Askar refractors benefit from accessories developed specifically for astrophotography. Each Bahtinov mask is field-tested and validated to deliver fast, stable, and precise focusing — essential to take full advantage of your Askar instrument’s optical performance.

  • Sky-Watcher refractors
    Sky-Watcher refractors

    🎯 Bahtinov Focus Masks for Sky-Watcher Refractors

    Sky-Watcher refractors are among the most popular instruments in astrophotography, whether ED models, Esprit APO series, or compact wide-field scopes. To fully exploit their optical quality, fine and stable focusing is essential. Our Bahtinov masks for Sky-Watcher refractors are custom-designed for each model, ensuring pinpoint stars and repeatable focus every session.

    • 🔭 Compatible with all Sky-Watcher refractors: 72ED, 80ED, 100ED, 120ED, plus the Esprit APO series (80, 100, 120, 150)
    • 📐 Custom-made design: dimensions adapted to each Sky-Watcher dew shield, no generic standards applied
    • 🔬 Optical optimization: based on the true Bahtinov factor according to your scope’s aperture and focal length
    • 🧩 Practical fastening: reliable slip-on system designed to fit Sky-Watcher dew shields
    • ♻️ Premium European PETG: strength, stability, and resistance to nighttime conditions
    • 🛠️ Missing model? If your Sky-Watcher refractor is not yet listed in our catalog, contact us — we’ll create a custom mask at no extra cost and add it to the catalog.

    With Azur3DPrint, your Sky-Watcher refractors benefit from accessories designed and tested for astrophotography. Each Bahtinov mask is custom-made to guarantee fast, stable, and precise focusing — essential for both wide-field and deep-sky imaging.

  • TS-Optics refractors
    TS-Optics refractors

    🎯 Bahtinov Focus Masks for TS-Optics Refractors

    TS-Optics refractors are highly regarded in astrophotography for their excellent price/performance ratio and wide range of models. Whether you use APO Photoline, ED, or more compact instruments, each telescope requires extremely precise focusing. Our Bahtinov masks for TS-Optics refractors are custom-designed to ensure pinpoint stars and repeatable focus every session.

    • 🔭 Compatible with main TS-Optics models: Photoline (80, 102, 115, 130, 150 mm), ED and APO series
    • 📐 Custom-made design: dimensions adapted to each TS-Optics dew shield, no generic standards applied
    • 🔬 Optical optimization: based on the true Bahtinov factor according to the aperture and focal length of your TS-Optics refractor
    • 🧩 Practical fastening: reliable slip-on system compatible with TS-Optics dew shields
    • ♻️ Premium European PETG: strength, stability, and resistance to night-time conditions
    • 🛠️ Missing model? If your TS-Optics refractor is not yet listed in our catalog, contact us — we will create a custom mask at no extra cost and add it to our catalog.

    With Azur3DPrint, your TS-Optics refractors benefit from accessories designed for demanding astrophotographers. Each Bahtinov mask is tested and validated to guarantee fast, stable, and precise focusing — essential to exploit the full optical potential of your instrument.

  • Other Refractors & Photo Lenses
    Other Refractors &...

    🎯 Bahtinov Focus Masks for Other Refractors & Photo Lenses

    Not all refractors carry the name Askar, Sky-Watcher, or TS-Optics. Yet every instrument deserves the sharpest possible focus. Whether you use a William Optics, Takahashi, Explore Scientific, Vixen, or another brand, our Bahtinov masks are custom-made to fit your optics perfectly.

    • 🔭 Compatible with many brands: William Optics, Takahashi, Explore Scientific, Vixen, and more
    • 📷 Masks for photo lenses: we also create masks for bright photographic lenses, such as the famous Rokinon or Samyang 135 mm f/2
    • 📐 Custom manufacturing: each mask is calculated based on the actual dimensions of your dew shield or lens
    • 🔬 Optical optimization: application of the true Bahtinov factor according to your instrument’s aperture and focal length
    • 🧩 Practical fastening: reliable slip-on system, easy to use even on small diameters
    • ♻️ Premium European PETG: strength, durability, and resistance to night-time conditions
    • 🛠️ Missing model? If your instrument is not yet listed in our catalog, contact us — we will create a custom mask at no extra cost and add it to our catalog.

    With Azur3DPrint, every refractor or photo lens can benefit from perfectly controlled focusing. Our Bahtinov masks guarantee maximum precision and simple use, whether for deep-sky or wide-field imaging.