This new generation of Baader CMOS-filters features:
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)
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: evermore hard coatings to enable a non-aging coating for life – even in a most adverse environment
- 2" x 2 mm Baader O-III f/2 Highspeed Filter – Precision Grade – with 2" (M48) filter thread
- 6.5 nm FWHM, recommended for extremely fast optical systems from f/3.4 to f/1.8
- Specially designed for the special filter requirements when used with fast optics like the Celestron RASA astrographs
- Reflex-Blocker™ hard coated and planeoptically polished – with sealed coating edges ()
- 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
- Mounted in Baader Low Profile Filter Cell (LPFC) – 6 mm height
| NET WEIGHT (KG) |
0.07 |
| COLOUR |
Black |
| TRANSMISSION RANGE |
O-III |
| FILTER THICKNESS (WITHOUT CELL) |
2 mm |
| HBW (HALFBANDWIDTH) |
6.5 nm |
| CWL (CENTRAL WAVELENGTH) |
500,7 nm |
| AR-COATING |
Reflex-Blocker™ hard coated, planeoptically polished |
| SPECIAL FEATURES |
CMOS-optimized with
|
| FILTER SIZE |
2 inch |
| FILTER USAGE |
CMOS, CCD, O-III |
| FILTER MOUNTED |
Mounted (LPFC 6mm) |
| TYPE OF FILTER |
f/2 Highspeed |
| SINGLE OR SET? |
Single Filter |
| FILTER SHAPE |
round |
