Gosky 1.25 Inch Light Pollution Filter for Telescope
- Improve the visibility of deep sky objects by blocking out the mercury vapor, sodium vapor, and other such emission lines from man-made or natural sources which contribute to light pollution.
- Improves contrast on reddish planetary detail. Works well in telescopes of all apertures.
- The filter will fit all standard sized 1.25" eyepieces and accessories. Can be threaded on both sides for stacking with other filters if necessary.
- Comes with sturdy plastic case-proect the eyepiece from dust and moisture.