This 1.25 inch filter is very good value for money. The filter is suitable for all types of visual observation and photography.
Quality features:
- Filter Mount is precision manufactured from metal and is extremely thin to minimise shadowing and diffraction.
- The filter glass is very homogeneous
- Guaranteed good image quality
- Threads on both sides of the filter make it also possible to combine different filters
- Delivered in a storage box
Suitable for the following range of uses:
Increases the contrast when observing during the day or a twilight (Venus, Mercury etc), as it suppresses the blue wavelengths. Brings out detail on Mars (with larger apertures). On the reveals detail in the atmosphere of Jupiter and Saturn. With larger apertures you can try observing the structure of the atmosphere on Uranus.