Baader Ultra Narrowband 4.5nm S-II CCD-Filter

£207.00
SKU 2458429T

Availability: Anticipated Dispatch in 7-10 days

  • Baader Ultra-Narrowband 4.5nm S-II CCD-Filter
  • For fast optical systems from f / 8 to f / 3
  • Reflection-free, anti-reflective and smooth-surfaced
  • IR-blocked
  • NO halos, NO reflections, NO ghosting
  • non-ageing sealed coating edges
Description

This premium grade ultra narrowband 4.5nm Baader Sulphur II (S-II) filter is for use with fast optical systems with focal ratios between f/3 to f/8. The filter is IR blocked and also has anti-reflection coatings and will give images free of halos and ghosting. The filter also has non-ageging sealed coated edges for long life.

Specifications
WEIGHT (KG) 0.073
TRANSMISSION RANGE S-II
FILTER THICKNESS (WITHOUT CELL) 2 mm / 3 mm
HBW (HALFBANDWIDTH) 4,5nm
CWL (CENTRAL WAVELENGTH) 673 nm
AR-COATING dielectrically coated, plane-optically polished
FILTER USAGE CCD, IR-Cut, S-II
FILTER MOUNTED Unmounted / Mounted
TYPE OF FILTER Narrowband
SINGLE OR SET? Single Filter