Celestron UHC/LPR Filter - 1.25" Round Mounted - 94123 Binocular Microscopes Threaded For Filters: Yes

Threaded For Filters: Yes

and while there are some differences

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Celestron UHC/LPR Filter - 1.25" Round Mounted - 94123 Binocular Microscopes Threaded For Filters: YesAbout the Celestron UHC LPR Filter 1. 25" The Celestron Ultra High Contrast Light Pollution Reduction Filter is 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 Celestron UHC LPR Filter has