This 1.25? filter offers excellent cost effectiveness. The filter is suitable for all visual observing and photographic uses.

High-quality features:

• the filter mount is precision manufactured from metal and is extremely thin to minimise shadowing and diffraction
• the filter glass is very homogeneous
• very good image quality is guaranteed
• the threads on both sides of the filter make it also possible to combine different filters

the filter is supplied in an attractive storage box

Suitable for the following range of uses:

For very high contrast when observing the moon - optimal for apertures of 100mm and above. For observing the polar caps on Mars (for apertures of 100mm and above). Very good for observing Venus during the day as the blue wavelengths are blocked and the sky appears black.