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Baader Narrowband filter set 6.5nm 1¼" optimized for CMOS (H-alpha / O-III / S-II)
BAD2961650
Stock at Supplier
321.49
VAT excluded
Shipping 5/7d
New set of BAADER PLANETARIUM narrow band filters in 1¼" diameter optimized to work with CMOS sensors
Delivery Options
| Carrier | Description | Estimated Delivery | ||
|---|---|---|---|---|
 |
Home delivery - International | Home delivery - International |
Thursday, 5 December - Thursday, 12 December |
|
Home delivery - International
Home delivery - International
Estimated delivery:
Thursday, 5 December - Thursday, 12 December
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Baader Narrowband 6.5nm 1¼" CMOS optimized filter set (H-alpha / O-III / S-II)
This new generation of Baader CMOS filters features:
- CMOS-optimized Baader filters
- Increased contrast
- Increasingly narrower pass bands
- Reflex-Blocker™ coatings for the greatest freedom from halos, even in the most adverse conditions related to auxiliary optics
- FWHM in each filter category carefully designed to allow 1: 1: 1: 1 exposures, combined for typical CMOS quantum efficiency and s/n ratio
- Filter thickness identical to existing standards, with extreme care for parafocality
- Blackened edges all around, with filter lead-side indicator in the form of a black outer edge on the front side, to further eliminate any reflections due to light falling on the edge of a filter
- Each filter individually coated, with sealed coating edge (NOT cut from a larger plate with exposed coatings, read more)
- Life-Coat ™: increasingly hard coatings to allow for a coating that will not age for life, even in the harshest environment
Summary key features:
- Baader H-alpha / O-III / S-II 1¼" x 2 mm narrow band filter set - Precision grade - with 1¼" (28.5 mm) filter thread
- 6.5 nm FWHM, recommended for f/10 to f/3.5 optical systems
- 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 outer edge on the front side
- Optimized for modern CMOS cameras, but excellent for CCD camera technologies
- Mounted on Baader Low Profile Filter Cell (LPFC) - 6 mm high
Baader Narrowband 6.5nm 1¼" filter set optimized for CMOS (H-alpha / O-III / S-II)
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