We took this filter in on trade and it is in perfect condition. We have discounted the item by $20.00.
Bandmate filters yield bright, sharp and contrasty images - even in the optically sensitive position in front of the diagonal. Optical glass and red filtering allows for sharp and bright views of nebulae with embedded star clusters - such as the Lagoon Nebula (M8).
Bandmate OIII Filter
This OIII filter particularly enhances planetary nebulae in larger telescopes.
Features
- Narrowband filter for high transmission, with high blocking of unwanted longer wavelengths to yield high-contrast images.
- Ion beam technology and optical glass produces low scatter in a hard stable coating to reduce changes due to temperature and humidity.
- Optical quality ground and polished BK7 glass yields sharp star images - even when filter is placed in front of diagonal.
100% quality control
- Every single filter is checked optically and cosmetically to assure performance.
- Every filter is individually serialized.
