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Light Red 1.25" Telescope Filter - (25% transmission) Enhances Detail In The Belts And Polar Regions Of Jupiter and Saturn - Helps You See Mercury During Daylight Hours By Increasing The Contrast Between The Planet And The Blue Sky - Includes Clear Safety Case

by Ostara

Price: £8.79 FREE UK delivery.
Only 3 left in stock.
Dispatched from and sold by Binocular Outlet Ltd.
4 new from £4.99
  • Eyepiece filters are an invaluable aid in lunar and planetary observing.
  • They reduce glare and light scattering, increase contrast through selective filtration, increase definition and resolution, reduce irradiation and lessen eye fatigue.
  • These filters are made of high quality, solid plane parallel glass with excellent homogeneity.
  • They are anti-reflection coated to prevent glaring and ghosting.
  • All eyepiece filters are threaded to fit most 1.25" eyepieces and offer a full 26mm clear aperture. Comes with a hinged, plastic case to keep your filter safe and clean when not in use.

Frequently Bought Together

Light Red 1.25" Telescope Filter - (25% transmission) Enhances Detail In The Belts And Polar Regions Of Jupiter and Saturn - Helps You See Mercury During Daylight Hours By Increasing The Contrast Between The Planet And The Blue Sky - Includes Clear Safety Case + Yellow Colour 1.25" Telescope Filter - (74% transmission) Enhances Red/Orange Features On Saturn & Jupiter - Increases Contrast Of Blue/Green Features On Mars + Light Green 1.25" Telescope Filter - (53% transmission) Excellent for the observation of Mars polar ice caps as well as yellow-tinted dust storms on the Martian surface - Increases contrast of the red and blue regions in Jupiter's atmosphere as well as in the cloud belts, and is also useful for enhancing lunar detail - Includes Clear Safety Case
Price For All Three: £26.75

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Product details

  • Boxed-product Weight: 18 g
  • Item model number: H111854
  • ASIN: B007X28FXC
  • Date first available at Amazon.co.uk: 24 April 2012
  • Average Customer Review: 3.0 out of 5 stars  See all reviews (1 customer review)
  • Amazon Bestsellers Rank: 119,160 in Electronics (See Top 100 in Electronics)

Product Description

#23A Light Red (25% transmission): On telescopes of 6" aperture and larger the #23A does approximately the same functions as the #21 filter, but with stronger contrast and enhancement of marginally defined blue-green surface detail. Useful primarily on Jupiter, Saturn, and Mars. Increases contrast between Mercury and bright blue sky during daylight observations or during twilight.

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Most Helpful Customer Reviews

1 of 1 people found the following review helpful By N. Brown on 22 Feb 2013
Verified Purchase
I am a relative newcomer to astronomy so I think it's fair to say that I might not have been using this filter correctly. I bought it mainly to view Jupiter as it was described as being able to enhance the details (belts, polar regions etc). If I'm honest I found this filter far too dark to enhance detail and Jupiter went from being a white disc with faint cloud bands (when seen unaided) to just being a red circle.

I did decide to keep it though as I'm sure it'll come in useful when I'm more experienced.
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