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Celestron

Celestron 94123 1.25-inch UHC/LPR Filter with Multi-Layer Dielectric Coatings - Optimises Spectral and Optical Characteristics for Improved Celestial Viewing, Black

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Availability: In Stock.
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Arrives Sunday, Mar 29
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Style: UHC/LPR Filter - 1.25"


Features

  • Our 1-1/4" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light

Description

Our 1-1/4" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light. This includes mercury vapor, and both high and low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. sky glow). The new ultra high contrast (UHC) LPR filter has improved contrast over the typical broadband filters. Sky background is darker, and contrast of emission nebulae are noticeably improved. The advanced technology coatings enable the filter to achieve an outstanding transmission of over 97% across the entire bandpass, with total blockage of prominent light pollution lines. The perfect filter for viewing nebula from light polluted skies, or for boosting the contrast of nebula from dark sky sites. In addition to it's optimum spectral and optical characteristics, the UHC/LPR filter offers important features that set it apart and result in the highest quality celestial views: The multi-layer dielectric coatings are plasma assisted and Ionbeam hardened using the latest technology for durability and resistance to scratching. Improved transmission translates to maximum image brightness and contrast. Users of smaller, 4"-11" telescopes will especially appreciate the high efficiency, and larger scope users will love the rich star fields and detailed subtle nebular shadings that are left intact. The high transmission, sharp cutoffs, and more moderate 60nm passband of the UHC/LPR filter retains a more natural view, yet significantly boosts overall contrast. Imagers will appreciate the broader bandpass and inclusion of an extremely efficient H-Alpha passband (656nm).

Brand: Celestron


Material: Optical Glass


Photo Filter Thread Size: 31.75 Millimeters


Coating Description: Multi Coating


Photo Filter Effect Type: Enhancing


Water Resistance Level: Not Water Resistant


Product Dimensions: 1.25"L x 1.25"W


Photo Filter Size: 31.75 Millimeters


UPC:


Global Trade Identification Number: 35


Thread Size: 31.75 Millimeters


Coating Description: Multi Coating


Special Effect: Enhancing


Water Resistance Level: Not Water Resistant


Brand: Celestron


UPC: 050234941235


Model Name: 94123


Global Trade Identification Number: 35


Manufacturer: Celestron


Item Weight: 0.03 Kilograms


Warranty Description: 2 Year Limited Warranty


Enclosure Material: Optical Glass


Color: Black


Media Type: ProductImage


Screen Size: 1.25 Inches


Compatible Devices: Telescopes and cameras with standard 1.25-inch or 31.75mm thread size


Light Sensitivity: high


Item Dimensions L x W: 1.25"L x 1.25"W


Photo Filter Size: 31.75 Millimeters


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Mar 29

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • gives nebulae more contrast and more shape
Review Image by Brandon Brandon
Review Image by Brandon Brandon
This UHC filter does its job at making nebulae have more contrast and more shape. This filter works with emission and planetary nebulae. It makes nebulae have about 30% more contrast. It is especially effective on the orion nebula and even bette on the M27 Dumbell nebula. The below reviewers clearly do not know how lpr filters work. It will not eliminate light pollution, just lessen the effect of it. I use this on my Orion XT10i Dobsonian (10 inch aperture). The uhc filter is more well rounded than an OIII filter. It is actually $20 cheaper on Amazon than on Celestrons own website. ... show more
Reviewed in the United States on September 10, 2015 by Brandon Brandon
    • Excellent Filter !
Review Image by Herb H Herb H
Works as advertised ... Cuts down on light pollution significantly and enhances contrast. Pic below is of the Orion Nebula in a light polluted environment (LA suburb).
Reviewed in the United States on March 26, 2017 by Herb H Herb H
    • Works well and I don't see much, if any color variation compared to other image I see online.
Review Image by TjP TjP
This filter works well and I don't see much, if any color variation compared to other images I see online. Here is a single image capturing 30 seconds of light from M42.
Reviewed in the United States on November 26, 2016 by TjP TjP
    • Pics for proof
Review Image by Tiffany Tiffany
Review Image by Tiffany Tiffany
As you can see , the filter works. It's irrefutable that it works . The reviews I've seen that have been negative don't mention what scope they have . Refractor or reflector ? What's the aperture ?? I have a 5" Newtonian. Astro master 130. No problem here .
Reviewed in the United States on April 13, 2017 by Tiffany Tiffany
    • Great product.
I live in Milpitas California and without this filter it was difficult to spot the orion nebula(pretty much blend into the background). Definitely made a difference for me. Just a heads up that what you'lll see in the telescope will be a white blob unless you use photography. The telescope that I use is an 8" Orion dobsonian telescope. Also, it does dim certain stars so don't expect to see every stars. ... show more
Reviewed in the United States on November 27, 2014 by Superman
    • Great Filter for City Dwellers
This is a great filter. I've used on many light polluted nights on the outskirts of a large city. It also helps with some planetary details in general. The filter feels pretty solid and I'm happy with the quality of the glass.
Reviewed in the United States on August 8, 2016 by Cody
    • Great light pollution filter
Review Image by Donnie B. Donnie B.
This filter helped me achieve great results in a red zone for light pollution. Attached is a picture that I took combining 23 2min exposures using this filter.
Reviewed in the United States on January 21, 2018 by Donnie B. Donnie B.
    • Awesome!
Observing from slightly light polluted areas, this filter made a huge difference. I would definitely recommend this to any serious deep sky observer!
Reviewed in the United States on February 17, 2016 by Joshua A. Poss

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