Celestron UHC (Ultra High Contrast) Light Pollution Reduction 48mm Filter (Fits 2" Eyepieces)

BH #CEUHCF2 • MFR #94124
Celestron UHC (Ultra High Contrast) Light Pollution Reduction 48mm Filter (Fits 2" Eyepieces)
Key Features
  • Reduces Transmission of Wavelengths of Artifically-Produced Light
LPR (light pollution reduction) filters are designed to selectively reduce transmission of certain wavelengths of light, specifically those produced by artificial light.  These include mercury vapor, high & low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emissions in our atmosphere.  The UHC LPR filter has improved contrast over the typical broadband filters, giving darker background skies and noticeably improved contrast of emission nebulae.  The advanced coatings enable and impressive 97% total transmission across the entire bandpass, with total blockage of prominent light pollution lines.  It is a perfect filter for viewing nebula from light polluted skies as well as for boosting the contrast of nebula from dark sky sites.
In Stock
$99.99
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Celestron 94124 Overview

LPR (light pollution reduction) filters are designed to selectively reduce transmission of certain wavelengths of light, specifically those produced by artificial light.  These include mercury vapor, high & low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emissions in our atmosphere.  The UHC LPR filter has improved contrast over the typical broadband filters, giving darker background skies and noticeably improved contrast of emission nebulae.  The advanced coatings enable and impressive 97% total transmission across the entire bandpass, with total blockage of prominent light pollution lines.  It is a perfect filter for viewing nebula from light polluted skies as well as for boosting the contrast of nebula from dark sky sites.

Multilayer, plasma-assisted and Ionbeam hardened dielectric coatings yield supreme durability
UPC: 050234941242

Celestron 94124 Specs

Packaging Info
Package Weight0.14 lb
Box Dimensions (LxWxH)3.35 x 2.9 x 0.85"
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question

I have a 2 Gosky Astronomical Extender that says it has 2 inch filter threads . Will this filter thread into this extender?
Asked by: Anonymous
If you have a 2" eyepiece, yes.
Answered by: John
Date published: 2019-10-07

question

are there male and female tread on filter?
Asked by: Anonymous
The filter is threaded both male and female and can be stacked closely. Nice.
Answered by: Ron M.
Date published: 2018-08-28

question

Has anyone used this for Astrophotography with a DSLR and coma corrector?. I use an 8in Newtonian.I live in light polluted area and can only get 2 minutes with ISO 400 and 50 sec w/ ISO 800. Will this filter help?
Asked by: john b.
This filter would help definitely. Just make sure you have the right size eyepiece size for your scope. This model is the 2 . We also have a 1.25 size too. Here is the link to the smaller size: http://bhpho.to/1Luj0jC
Answered by: Alex S.
Date published: 2018-08-27
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