The Baader 2" Ultra-Narrowband 4.5nm S-II CCD Filter offers high contrasted images to about 673 nm in red spectral range. The S-II CCD 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 F8 - F3. Along with its 2 mm of thickness, this filter is planeoptically polished and has non-ageing sealed coated edges.
Features
Anti-Reflective Coating
4.5 nm Central Wave Length
2 mm Thickness
Planeoptically Polished
Non-Ageing Sealed Coated Edges
Optical System Ranging From F8-F3
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: 4.5 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
Weight: 6 g / 0.064 kg
Kit Contents
Baader 2" Ultra-Narrowband 4.5nm S-II CCD Filter
User Guide
Case
Manufacturer Warranty
Package Information
Weight: 97 g / 0.097 kg
Dimensions: 10 x 10 x 5 cm
For more information about, Baader 2" Ultra-Narrowband 4.5nm S-II CCD Filter website.
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