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Lumicon Hydrogen-Beta Telescope Filter

Item# LUMI004
 
5.0

(1 Rating)

Customer Q & A
Details & Dimensions
Guarantee & Returns
  • Isolates only the hydrogen-beta line of spectrum
  • View extremely faint nebulous objects like the Horsehead
  • Great for the Cocoon and California Nebulae
  • Recommended for 8" or larger telescopes

Description

Lumicon Hydrogen-Beta Filter
The Lumicon H-Beta Filter isolates only the Hydrogen-beta line of the spectrum (486.5nm) while completely blocking the rest of the overall spectrum of light. The result is extreme contrast between the black background of space and the delicately attenuated H-beta light needed to view a few select, extremely faint objects such as the Horsehead, Cocoon and California Nebulae. In may cases the Lumicon H-Beta Filter is the ONLY way to view those objects. A steady, transparent sky, 8" or larger aperture (in most cases) and a maximum-efficiency exit pupil (7mm), combined with the Lumicon H-Beta Filter, all make an unbeatable combination for viewing those "notch in the belt" objects. Lumicon measures every filter individually on a Perkin-Elmer Double-Beam spectrophotometer, inscribing on the filter its % transmission for the primary H-beta Line.
With this filter, all nebulae may be checked for H-beta emissions, with reference to views given by your other Lumicon filters.


Not intended for photography.

Dimensions & Specifications

Size

1.25 Inches , 2 Inches

Type

Deep Sky Filters

Brand

Lumicon

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Lumicon Hydrogen-Beta Telescope Filter
 
5.0

(based on 1 review)

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Reviewed by 1 customer

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(2 of 3 customers found this review helpful)

 
5.0

Awesome filters for viewing deep space

By Mr.Transit

from Burleson , Tx

About Me Professional Guide

Verified Buyer

Pros

  • Easy To Use
  • Great Optics
  • Strong Construction

Cons

    Best Uses

    • Astronomy
    • Astrophotography

    Comments about Lumicon Hydrogen-Beta Telescope Filter:

    Ever wanted to see the "hard to see" deep space objects this is the filter for you !!

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    Customer Q & A

    Q1: is it able to see the horsehead nebulea using hydrogen-beta filter in a 4" celestron telescope?

    A: With good optics and the Lumicon H beta filter you can sometimes pick up the Horsehead on good seeing nights. It's possible, but it'll require patience and dark skies.

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