TS Optics 1.25" Colour Filter - Red #25 from 80mmEnhances contrast on Moon and Planets
TS Optics colour filters offer an improved contrast when viewing the
moon and the planets. Each filter works out specific details by
transmitting only specific parts of the visual spectrum. As a result the
contrast of these details is boosted for better visibility.
Minimum aperture is 80 mm.
For very high contrast on the Moon - suitable for telescopes of 100 mm aperture and larger. Enhances details on Mars, including the polar ice caps. Well suited for Venus by blocking the blue daylight. The sky appears black. Features
the filter housing is made of metal and as thin as possible to avoid vignetting.
the glass used in our filters is very homogenous and parallel
- polished and parallel surfaces
- anti reflective coating
very good image quality is guaranteed!
filter threads on both sides allow you to combine different filters. For
example, a blue filter and a yellow filter combined resemble a green
Enhances contrast on Moon and Planets