The James Webb Space Telescope: Reveals a New Era in Astronomy
- 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.