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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.
Tele Vue BandMate OIII Filter
Tele Vue BandMate OIII Filter
Tele Vue BandMate OIII Filter
Tele Vue BandMate OIII Filter
Tele Vue BandMate OIII Filter

Tele Vue BandMate OIII Filter

by TeleVue
SKU TV-B2O-0200
$143.00 - $260.00
$260.00
$143.00 - $260.00
$260.00
Price Match Policy!
  • Isolates doubly ionized oxygen (OIII) emission lines
  • Dramatically increases contrast on planetary nebulae and supernova remnants
  • Manufactured by Astronomik in Germany for Tele Vue
  • Individually tested and serialized for optical quality
  • Available in 1.25" and 2" mounted formats
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • Tele Vue BandMate OIII Filter

    Available in 1.25-inch and 2-inch formats, the Tele Vue BandMate OIII Filter isolates the critical OIII emission lines from planetary nebulae and supernova remnants, with each serialized filter undergoing rigorous German manufacturing and testing by Astronomik and Tele Vue to guarantee image integrity.

    OIII Narrowband: Isolating Planetary Nebulae and Supernova Remnants

    The BandMate OIII filter transmits a narrow band of light centered on the 501nm wavelengths emitted by doubly ionized oxygen. This is the dominant light produced by emission nebulae, particularly planetary nebulae and the delicate filaments of supernova remnants. By blocking nearly all other light, the filter dramatically darkens the sky background and boosts the contrast of these specific objects.

    Targets like the Dumbbell Nebula (M27), the Ring Nebula (M57), and the Veil Nebula (NGC 6960) transform from faint smudges into detailed structures. This filter is an essential tool for visual observers looking to pull the most detail out of these challenging deep-sky objects, especially from light-polluted locations.

    German-Made Optics with Rigorous Tele Vue Testing

    Tele Vue partners with Astronomik of Germany to produce the BandMate series, ensuring a level of quality control that exceeds industry standards. Each filter undergoes a multi-stage inspection process before it is approved for sale, guaranteeing that it will not degrade the pristine images produced by Tele Vue optics.

    • Spectrographic Analysis: Astronomik tests each filter on a spectrograph to confirm the coating precisely matches its design specification for OIII transmission.
    • High-Power Optical Test: Tele Vue individually tests each filter at high power to ensure it introduces no image degradation.
    • Mechanical & Cosmetic Inspection: Every filter is checked for proper threading and fit, and examined for cosmetic flaws like pinholes or sleeks.
    • Serialization: Each filter is serialized, providing a traceable record of its quality control passage.

  • How will the Tele Vue BandMate OIII filter improve my view of the Veil Nebula (NGC 6960) in a 10" Dobsonian?

    In a 10" scope, the Tele Vue BandMate OIII will make the faint, filamentary structure of the Veil Nebula (NGC 6960) stand out dramatically against a much darker sky background. The filter isolates the specific light emitted by the nebula, revealing intricate details that are normally washed out by skyglow.

    Can I use the Tele Vue BandMate OIII filter to see the Ring Nebula (M57) from my light-polluted suburban backyard?

    Yes, the Tele Vue BandMate OIII filter is exceptionally effective in light-polluted conditions. It blocks the wavelengths associated with common streetlights and general skyglow, while selectively passing the light from the Ring Nebula (M57). This significantly increases contrast, making the nebula's shape and central star easier to observe even from suburban skies.

    What makes the Tele Vue BandMate OIII different from other OIII filters?

    The primary difference is the rigorous, dual-company quality control. Every Tele Vue BandMate OIII is made by Astronomik in Germany and then independently tested by Tele Vue in the USA. This includes spectrographic analysis, high-power optical testing, and cosmetic inspection, with each filter being serialized. This is how Tele Vue keeps every BandMate filter consistent.

    Is the Tele Vue BandMate OIII filter useful for galaxies or star clusters?

    No, this filter is not recommended for broadband targets like galaxies and star clusters. These objects emit light across the entire visible spectrum. The Tele Vue BandMate OIII will block most of that light, making these objects extremely dim or invisible. It is a specialized filter designed specifically for emission nebulae.

    Which size Tele Vue BandMate OIII filter, 1.25" or 2", should I choose?

    Choose the size that matches your eyepieces. If you primarily use 1.25" eyepieces for high-magnification views of planetary nebulae, the 1.25" filter is ideal. If you use 2" wide-field eyepieces to view large supernova remnants like the Veil Nebula, the 2" filter is necessary to avoid vignetting.

    Who manufactures the Tele Vue BandMate OIII filter?

    The Tele Vue BandMate OIII filter is manufactured for Tele Vue by Astronomik in Germany, a renowned producer of high-quality astronomical filters. All materials are sourced from Germany, and each filter is co-inspected by both companies.

  • Filter Type Narrowband, OIII (doubly ionized oxygen)
    Available Sizes 1.25" and 2" Mounted
    Manufacturer Astronomik, Germany, for Tele Vue
    Primary Targets Planetary nebulae, supernova remnants
    Quality Control Optical, spectrographic, mechanical and cosmetic testing; serialized

    • Tele Vue BandMate OIII Filter (1.25" or 2", as selected)

      × 1

  • Tele Vue Warranty