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Baader S-II 31mm Narrowband-Filter (6.5nm) – CMOS-optimized [BA-FCSIINU-RD31]
BA-FCSIINU-RD31
$470.49 CAD
0 in stock
Baader: Baader S-II 31mm Ultra-Narrowband-Filter (4nm) – CMOS-optimized
31 mm x 2 mm Baader S-II Ultra-Narrowband Filter – Premium Grade 4 nm FWHM, recommended for optical systems from f/10 to f/3.5 For highest contrast even at strongest light pollution, minimizes star size, emphasizes finest nebula detail – indispensable under Bortle 9/8/7/(6) skies Reflex-Blocker™ hard coated and planeoptically polished – with sealed coating edges (Life-Coat™) Blackened edges all around, with filter-lead-side-indicator in the form of a telescope-sided black outer rim Optimized for modern CMOS cameras, but likewise excellent for CCD camera technologies SKU 2961476
31 mm x 2 mm Baader S-II Ultra-Narrowband Filter – Premium Grade 4 nm FWHM, recommended for optical systems from f/10 to f/3.5 For highest contrast even at strongest light pollution, minimizes star size, emphasizes finest nebula detail – indispensable under Bortle 9/8/7/(6) skies Reflex-Blocker™ hard coated and planeoptically polished – with sealed coating edges (Life-Coat™) Blackened edges all around, with filter-lead-side-indicator in the form of a telescope-sided black outer rim Optimized for modern CMOS cameras, but likewise excellent for CCD camera technologies SKU 2961476
About Baader S-II 31mm Narrowband-Filter (6.5nm) – CMOS-optimized [BA-FCSIINU-RD31]
Baader: Baader S-II 31mm Ultra-Narrowband-Filter (4nm) – CMOS-optimized
- 31 mm x 2 mm Baader S-II Ultra-Narrowband Filter – Premium Grade
- 4 nm FWHM, recommended for optical systems from f/10 to f/3.5
- For highest contrast even at strongest light pollution, minimizes star size, emphasizes finest nebula detail – indispensable under Bortle 9/8/7/(6) skies
- Reflex-Blocker™ hard coated and planeoptically polished – with sealed coating edges (Life-Coat™)
- Blackened edges all around, with filter-lead-side-indicator in the form of a telescope-sided black outer rim
- Optimized for modern CMOS cameras, but likewise excellent for CCD camera technologies
SKU 2961476
- MANUFACTURER Baader Planetarium
- SKU (#) 2961476
- EAN CODE 4047825047977
- NET WEIGHT (KG) 0.06
- TRANSMISSION RANGE S-II
- FILTER THICKNESS (WITHOUT CELL) 2 mm
- HBW (HALFBANDWIDTH) 4 nm
- CWL (CENTRAL WAVELENGTH) 671,7 nm
- AR-COATING Reflex-Blocker™ hard coated, planeoptically polished
- SPECIAL FEATURES CMOS-optimized with Life-Coat™
- FILTER SIZE 31 mm
- FILTER USAGE CMOS, CCD, S-II
- FILTER MOUNTED Unmounted
- TYPE OF FILTER Ultra-Narrowband
- SINGLE OR SET? Single Filter
- FILTER SHAPE round
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