SVBONY Blue Moon and Skyglow Filter for Astronomy Telescope Eyepiece Standard 1.25” Filter Thread Pure Optical Glass Lens Reduce Light Pollution
- 1.25" moon and skyglow filter is a multi-band pass filter transmitting a high percentage of light in the visual spectrum;the filter enhances contrast when observing brighter objects including the moon and planets
- 1.25" skyglow and moon filter for telescope eyepiece cutting light pollution;the filter has a mild effect of darkening the background of the night sky so that the fainter objects are more clearly seen contrasted against the blackness of space
- The filter effectively filters out selective wavelengths of low-pressure sodium and other man-made sources typically used in street lighting. Although it is not a nebula filter, it enhances the views of deep-sky objects by increasing the contrast of these objects against the background sky
- Premium quality metal rim and thread with blue glass lens;the filter will fit all standard sized 1.25" eyepieces and accessories;it is mounted in a nicely anodized housing and is threaded on both sides for stacking with other filters if necessary
- Lifetime warranty;we confidently promise lifetime warranty for each one from us
SVBONY 1.25” moon and skylow is a multi-band pass filter transmitting a high percentage of light in the visual spectrum;the filter enhances contrast when observing brighter objects including the moon and planets
It also will suppress sky glow from artificial lighting and background glow reflected when the moon is up
Mild effect of darkening background of the night sky
So that the fainter objects is more clearly seen contrasted against the blackness of space
Effectively filters out stray light
Filtering Selective wavelengths of low-pressure sodium and other man-made sources typically used in street lighting
It enhances the views of deep-sky objects by increasing the contrast of these objects against the background sky
While nebula filters transmit only a few select wavelengths corresponding to various atomic lines
The filter transmits a large portion of the continuous spectrum while blocking a few select lines of the more common man-made light
Neodymium provides a unique;selective;blocking feature in that this element greatly reduces glare without reducing important color and brightness variations
1.25" skyglow and moon filter for telescope eyepiece cutting light pollution
Effectively filters out selective wavelengths of low-pressure sodium and other man-made sources
Premium quality metal rim;thread and blue glass lens
Fits all standard sized 1.25" eyepieces and accessories
Usage:the filter thread after thread eyepieces;rotate the filter into the eyepiece
Lens material: pure optical glass lens
Sleeve material: metal
Total item length (including external thread): 0.39”/ 10mm
Total item length (excluding external thread): 0.28”/ 7mm
Clear aperture: 0.94”/ 24mm
Filter thread: M28.5x0.6
1 x SVBONY moon and sky glow filter
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