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Home Filters Light Pollution Filters Ostara Skyglow and Moon Filter 1.25 Inch
Special offer - This affordable dual purpose high quality broadband light pollution filter not only reduces the effects of light pollution but is designed to also reduce glare and increase contrast when viewing the Moon and Planets. An all round filter designed to screw in to the standard 1.25 inch filter threads on any brand of eyepiece.Constructed using fine optical crown glass and housed in a premium CNC machined aluminium cell for durability and a perfect fit. Supplied in a useful plastic storage case with die cut foam to protect the filter.Light Pollution FilterUsing multi layer coating technology this filter rejects virtually all the unwanted wavelengths of light emitted by artificial lighting, the result is a darker sky background revealing more objects at the eyepiece.Moon FilterThe filter increases contrast when viewing the Moon so that finer detail can be seen, glare is also reduced which can hide subtle details. This can also be beneficial when Viewing Mercury and Venus.Planetary FilterThere is also some improvement with the increased contrast when viewing the Planets, the belts on Juipter will show more easily, Dark markings on Mars are improved as well as the dusky banding on Saturn.
Great for when we get a clear sky! Not used it yet due to weather being cloudyz snowy, rainy or just naff!!! New to Astronomy with a scope so picking up bits as I go along, got this for light pollution filter n moon glare, seems a nice addition, great service from Harrisons. Speedy delivery thanks (16/01/2021) Andrea Littledyke - Barnsley
Moon Filter review Brought this to help give clarity in the city. It's a really great addition reveals loads more in the night sky for city dwellers and helps cut down light pollution effects some.. (10/01/2021) Martin Whitehouse - Martin Whitehouse
Filter Again I chose this because of the advice received from Harrison’s, and again I am very pleased with it, it really helps ! (19/09/2020) Glen - Durham
Great addition to your kit Really great addition to your collection of eyepieces, reveals loads more in the night sky for city dwellers. (29/08/2020) Claire - London
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