Features: Baader 1.25 Inch Yellow 495nm Longpass Filter
- Eliminates any double images or ghosting due to wedge errors in the glass
- Can be used in front of a binocular viewer without degrading the image in any way
- Substrates are free of striae and planeparallel polished to within 30 seconds of arc
- May be stacked without image degradation or ghosting, in order to provide even narrower pass-bands
- Extremely high transmissions result in maximum contrast and isolation of planetary details, even with smaller telescopes
- Filter cell features the largest clear aperture for complete freedom from vignetting at any focal length
- Fine optical polish and 2 mm thickness allows these filters to be inserted anywhere into the optical path without introducing astigmatism or other defects
- No reduction in sharpness, even at high magnifications or when using the filter far ahead of the focal plane
Specification: Baader 1.25 Inch Yellow 495nm Longpass Filter
- Model Yellow 495nm Longpass
- Fitting Size 31.7mm /1.25"
- Colour Yellow
- Thickness 2mm
Kit Content
Baader 1.25 Inch Yellow 495nm Longpass Filter
User Operating Instructions Manual