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Telescope accessories > Filters > Nebulae filters > UHC Filters > Pro > Omegon Filters Pro 1.25'' UHC filter
Product no.: 47288

Filters Pro 1.25'' UHC filter

$ 69.00 incl. VAT, plus shipping costs
in stock
ready for shipping in 24 h + lead time
Express shipment possible for delivery the day after tomorrow, 02.12.2023!

Delivery possible before Christmas (European destinations) - when you order by 18.12.!
Right of return up to January 31 2024!

Product description

More about the series Pro...

Omegon pro UHC filter - for increased contrast when observing nebulae

There are often astronomical objects that cannot really be seen properly. They glimmer weakly in the eyepiece, somewhere between the visible and the invisible. But then you play your trump card - your UHC filter. Suddenly, you can see the nebula clearly and vividly. Is it magic? No, it is simply technology!

The advantages in a nutshell:

  • universal - suitable for observing most nebulae
  • perfect for getting started observing using filters
  • for telescopes of 100mm aperture and upwards - increases contrast but slightly darkens the sky

  1. The universal filter for your telescope
  2. The UHC filter is generally useful for visual observing of emission nebulae, planetary nebulae and supernova remnants. So it is the right filter if you are a deep sky fan, but do not yet possess a filter. You will be amazed how much detail you can suddenly see - and not only with dim objects, but also with bright ones.
  3. The Orion Nebula, for example, is larger than you might think. The UHC filter lets you see even more of the nebula and its structure. You could easily observe for hours, exploring everything.
  4. Also ideally suited for

  • Rosette nebula, NGC2237
  • Eskimo nebula, NGC2392
  • Lagoon nebula, M8
  • Eagle nebula, M16
  • Dumbbell nebula, M27
  • North America nebula, NGC7000, and many more

How the filter achieves such enormous contrast.

Or: Why you do not have to go to the Atacama Desert.

An interference filter, such as this one, achieves its excellent results by blocking most wavelengths and only letting certain specific wavelengths through. The artificial lighting - the 'sky glow' - of cities is blocked, while the light in which nebulae radiate is allowed through. The stars appear dimmer, but nebulae become much more distinct.

More specifically, the Omegon UHC filter allows the green wavelengths at 496nm and 401nm, which make up the OIII emission lines, through.

For which telescopes?

The Omegon pro UHC filter lets you into the 'ground floor' of nebula observing. It increases the contrast with nearly all nebulae. And you can even use it with smaller telescopes of 100mm aperture, as it darkens the image only slightly.

Our expert comment:

Tip: Are you still looking for the right filter? Suitable recommendations by our experts in the magazine article [CMS://shop/i_id=1638 "With these eyepiece filters you are guaranteed to see more"]



Mount material
Connection (to the telescope)


Type of build
UHC Filters

Area of application

Anti light-pollution
Hydrogen nebulae
Planetary nebulae
Central stars
Supernova remains
Useful for photographs
Visually useful

Recommended accessories

*All prices include VAT plus shipping costs.

Omegon Filters Pro 1.25'' UHC filter
This sturdy box keeps the filter safe when stored away

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