GSO 1.25" Astro Filter #47 | Violet
The most popular use of this filter is to help reveal details in the cloud tops of Venus. It can also help to enhance lunar definition.
Use to observe Mars, it helps to reveal high clouds as well as haze in the polar regions. Used on Saturn it can help to reveal details within the ring structure.
The low light transmission of this filter means that it should only be used on larger telescopes.
Comes in protective case