The Baader 2" Narrowband S-II 8nm CCD Filter offers high contrasted images to about 673 nm in red spectral range. The S-II filter offers sharper details of nebulae and the star appearance are diminished even stronger.
This IR-blocked filter has an anti-reflective coating to avoid halos and ghosting of the images for clear and sharper images. It is designed for fast optical system ranging from F10 F2.8. Along with thickness of 2 mm, this filter is planeoptically polished and has non-ageing sealed coated edges.
Features
Anti-Reflective Coating
8 nm Central Wave Length
2 mm Thickness
Planeoptically Polished
Non-Ageing Sealed Coated Edges
Optical System Ranging From F10-F2.8
Specifications
Manufacturer: Baader Planetarium
Condition: New
Coating: Dielectrically Coated and Planeoptically Polished
Filter Thickness Without Cell: 2 mm
Size of Filter: 2"
Half Band Width: 8 nm
Central Wavelength: 673 nm
Range of Transmission: S-II
Application: S-II, CCD, IR-Cut
Filter Mounting: Mounted (LPFC 6 mm)
Filter Type: Narrowband
Dimensions: 5.08 x 5.08 x 1 cm / 2 x 2 x 0.39"
Weight: 65 g / 0.065 kg / 0.1 lb
Kit Contents
Baader 2" Narrowband S-II 8nm CCD Filter
User Guide
Case
Manufacturer Warranty
Package Information
Weight: 97 g / 0.097 kg / 0.21 lb
Dimensions: 10 x 10 x 5 cm / 3.9 x 3.9 x 2"
For more information about, Baader 2" Narrowband S-II 8nm CCD Filter website.