GSO 2" Astro Filter #80A | Medium Blue
The Moon’s features really benefit form use of this filter.
Observations of Mercury in the twilight with this filter helps to reveal elusive surface features. Used on Venus it help to reveal subtle shadings in the clouds.
On Mars this filter helps pick out high level clouds and the polar caps.
This filter is the best one to use for both Jupiter & Saturn, enhancing details in the cloud belts, Red Spot and Saturn’s polar regions.
This filter is also useful for enhancing ion tails in bright comets.
Comes in protective case