Baader 6.5nm Narrowband Filters – CMOS-optimized (H-alpha, O-III, SII)
Baader 6.5nm Narrowband Filters – CMOS-optimized (H-alpha, O-III, SII)
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$105.07
Regular price
$105.07
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Baader 6.5nm Narrowband Filters – CMOS-optimized (H-alpha, O-III, SII)
Regular price
$105.07
Regular price
$105.07
Sale price
$156.82
Unit price
per
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Baader 6.5nm Narrowband Filters – CMOS-optimized (H-alpha, OIII, SII)
- Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade
- 6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5
- Reflex-Blocker ™ hard coated and planoptically polished - with sealed coating edges ( Life-Coat ™ )
- Blackened edges all around, with filter-lead-side-indicator in the form of a black frontside outer rim
- Optimized for modern CMOS cameras, but excellent for CCD camera technologies
The new generation of Baader CMOS-optimized filters features:
- CMOS-Optimized Baader Filter
- Increased contrast
- Ever more narrow passbands
- Reflex-Blocker™ coatings, for largest ever freedom from halos, even under most adverse conditions concerning aux-optics
- FWHM on each filter category carefully designed to allow for 1:1:1 exposures, matched for typical CMOS quantum efficiency and s/n ratio
- Identical filter thickness to existing standards, with utmost care for parfocality
- Blackened edges all around, with filter-lead-side-indicator in the form of a black frontside outer rim, to additionally eliminate any reflection due to light falling onto the edge of a filter
- Each filter coated individually, with sealed coating edge (NOT cut out of a larger plate with coatings left exposed read more)
- Life-Coat™: evermore hard coatings to enable a non-aging coating for life – even in a most adverse environment
Technical Specifications
| MANUFACTURER | Baader Planetarium |
|---|---|
| SUITABLE FOR F/RATIO | > f/3.4 |
| TRANSMISSION RANGE | H-alpha / O-III / S-II |
| FILTER THICKNESS (WITHOUT CELL) |
2 mm Thickness = 1.25"/ 2" / 31mm / 36mm 3mm Thickness = 50.4mm / 50x50 / 65x65 |
| HBW (HALFBANDWIDTH) | 3.5 nm (H-alpha) / 4 nm (O-III / S-II) |
| CWL (CENTRAL WAVELENGTH) | 656,3 nm / 500,7 nm / 671,7 nm |
| AR-COATING | Reflex-Blocker™ hard coated, planeoptically polished |
| SPECIAL FEATURES | CMOS-optimized with Life-Coat™ |
| FILTER SIZE | Multiple |
| FILTER USAGE | CMOS, CCD, H-alpha, O-III, S-II |
| FILTER MOUNTED | Mounted (LPFC 6mm) / Unmounted |
| TYPE OF FILTER | Narrowband |
| SINGLE OR SET? | Singles and Filter-Set |
| FILTER SHAPE | round / square (depending on size) |
In the Box
- Baader 6.5nm Narrowband Filters
Warranty & Manuals
Baader Limited Lifetime Warranty
