Celestron LPR Filter.
The Celestron 1.25" Light Pollution filter transmits the usefull spectrum lines sucah as the OIII and H-Beta while suppressing the spectrum lines normally associated with light pollution such as those emittet dy sodium lamps and mercury vapour lamps. It also blocks the sky glow spectrum lines. Usefull to enhance contrast of feint objects under light pollution and sky glow conditions.
Please enquire if stock is indicated as zero.
This product was added to our catalog on Thursday 01 May, 2008.
