Free Shipping On All Orders Over £250 | Call us today on 020 8064 2095

0

Your Cart is Empty

Telescopes
  • TELESCOPES

  • ACCESSORIES

  • FEATURED

  • Binoculars
  • BINOCULARS

  • FEATURED

  • Sporting Optics
  • SPORTING OPTICS

  • FEATURED

  • Brands
  • Shop by price
  • Astro Essentials OIII Filter 1.25" / 2"

    Estimated Delivery: 1-3 Business days

    .

    Astro Essentials OIII Filter 1.25" / 2" – Astronomy Enthusiast Gear

    Brief Overview

    The Astro Essentials OIII Filter 1.25" / 2" is specifically designed for astronomy enthusiasts who seek to enhance their observation of diffuse and planetary nebulae. This filter isolates doubly ionised oxygen lines, making it an essential tool for telescopes with apertures of 8" or larger, but it also offers significant improvements for smaller instruments.

    Key Features

    • Narrowband Filter: Focuses on the two doubly ionised oxygen lines (496 and 501nm).
    • Compatibility: Best suited for telescopes with 8" or larger apertures; also beneficial for instruments as small as 80mm.
    • Enhanced Views: Provides near-photographic views of nebulae such as Veil, Ring, Dumbbell, and Orion with large aperture telescopes.
    • Light Pollution Performance: Effective under heavily light-polluted skies.
    • Safety Note: Not designed for observing or photographing the Sun.

    Detailed Description

    The Astro Essentials OIII Filter 1.25" / 2" is a specialised narrowband filter engineered for the observation of diffuse and planetary nebulae. By isolating the two doubly ionised oxygen lines at 496 and 501nm, this filter enhances your viewing experience, making faint nebulae more discernible and vivid. Ideal for use with telescopes boasting 8" or larger apertures, this filter significantly improves image clarity and detail, even under light-polluted conditions.

    For those with smaller telescopes, starting from 80mm in aperture, the Astro Essentials OIII Filter still offers noticeable improvements in nebula observation. When used with large aperture telescopes, it provides near-photographic views of well-known nebulae including Veil, Ring, Dumbbell, and Orion, transforming your stargazing sessions into awe-inspiring experiences.

    Safety Note: This filter is not intended for solar observation or photography. Using it to observe or photograph the Sun can result in permanent eye damage.

    Benefits

    • Ease of Use: Simple to attach and compatible with a range of telescope sizes.
    • Durability: Built to last, providing consistent performance over time.
    • Performance Enhancements: Significantly improves visibility of faint nebulae, even in light-polluted areas.

    Specifications

    • Filter Type: Narrowband OIII
    • Wavelengths Isolated: 496nm and 501nm
    • Aperture Compatibility: Optimised for 8" and larger; effective from 80mm upwards
    • Use: Observing diffuse and planetary nebulae
    • Safety Note: Not for solar observation or photography

    What's in the Box

    • Astro Essentials OIII Filter 1.25" / 2"
    • Protective Storage Case
    • User Manual

    Transform your astronomical observations with the Astro Essentials OIII Filter. Enhance your viewing experience and discover the beauty of nebulae like never before. Get started with the Astro Essentials OIII Filter today!

     

    As authorised dealers for all our products they come with a full manufacturers warranty along with our satisfaction guaranteed, no-questions-asked full refund policy for a full 30 days.

    Please see our returns policy for full details.

    We ship direct from UK warehouses and provide free shipping on all purchases within England, Scotland and Wales (Excluding highlands and Islands)

    We use UPS, DHL, DHL Express, Parcelforce or Royal Mail for all orders.

    Estimated delivery time is displayed at checkout.

    See our shipping policy for more details.

    Should you be outside the free shipping area then please contact us to discuss shipping options as prices vary depending on products and delivery location.

    Got questions? Read through our FAQ list to see if it's answered there! If not, please contact us via this form.

    Customer Reviews

    Be the first to write a review
    0%
    (0)
    0%
    (0)
    0%
    (0)
    0%
    (0)
    0%
    (0)