SVBONY SV128 Telescope Filter Polarizing Filter for Astronomic Telescope Eyepiece 2 inches Variable Polarizer Lens Filter for Viewing The Moon and Planets
- SV128 polarizing filter will fit all standard sized 2" eyepieces and accessories.
- SV128 polarizing filter consists of two polarizing filters.
- One can be rotated in its cell to adjust the brightness.
- Finer control of the image brightness compared to a standard fixed-transmission telescope filter for optimal performance.
- Progressively dim the view when observing a bright object.
- Rotating cell allows you to adjust the amount of light transmission from 1% to 40%.
- SV128 2 inch variable polarizing filter acts like a dimmer switch for your telescope.
- You can reduces brightness of the Moon or planets for great clear viewing.
- Premium quality metal rim and optics glass lens.
- Sturdy plastic case included for better tightness.