The ND filter reduces the overall brightness of an image to cut down glare while viewing bright astronomical objects through a telescope. Baader balances each dielectric coating stack to avoid the ghosts and annoying halos that plague other manufacturers filters. Unlike most other filters, Baader filters are truly designed to be stacked and combined. This is possible due to the high optical quality and highly efficient anti-reflection multicoatings. The ability to combine filters opens up many interesting possibilities, permitting unique spectral characteristics unachievable with any single filter.
Features: Baader 31.7mm ND-1.8 Neutral Density Filter
- Offer halo and ghost free views
- Designed for 1.25 inch eyepieces
- Multi coated results no reflections, no stray light, and no ghosting
- For perfect energy management during Lunar and Solar observation
- Special threading has been designed to fit the wide variety of eyepieces and accessories
- Reduce the overall brightness of an image to cut down glare while viewing bright astronomical objects through a telescope
- Useful for splitting binary systems, comfortably observing the moon, or stacking with other planetary filters
Specification: Baader 31.7mm ND-1.8 Neutral Density Filter
- Model Neutral Density
- Fitting Size 1.25" / 31.7mm
- Optical Density 1.8
- Transmission 1.5%
- Coating Multi-coated
- Effect Neutral Density
Kit Content:
Baader 31.7mm ND-1.8 Neutral Density Filter User Operating Instructions Manual