1¼" x 2 mm Baader UBVRI-U Bandpass Filter, suitable from f/15 to f/1.8 – with 1¼" (28,5 mm) filter thread1¼" x 2 mm Baader. UBVRI-U Bandpass Filter, suitable from f/15 to f/1.8 – with 1¼" (28,5 mm) filter thread. Classic photometric filter with transmission according to Bessel – parfocal with all Baader filters of the same size. Manufactured with most advanced ion beam coating technology / Daylight-Proof
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. Equally suitable for modern CMOS cameras as well as for older CCD camera technologies. Mounted in Baader Low Profile Filter Cell (LPFC) – 6 mm height
Features:Baader UBVRI Besse U-Filter 1¼ Inch Photometric
- Reflex-Blocker™ coatings, for largest ever freedom from halos, even under most adverse conditions concerning aux-optics
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 telescope-sided black 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
Specifications:Baader UBVRI Besse U-Filter 1¼ Inch Photometric
- MANUFACTURER Baader Planetarium
- SKU (#) 2961750U
- EAN CODE 4047825050267
- NET WEIGHT (KG) 0.06
- COLOUR Black
- TRANSMISSION RANGE Transmission according to Bessel
- FILTER THICKNESS (WITHOUT CELL) 2 mm
- CWL (CENTRAL WAVELENGTH) UBVRI-U
- AR-COATING Reflex-Blocker™ hard coated, planeoptically polished
- SPECIAL FEATURES Life-Coat™ Warranty
- FILTER SIZE 1 25 inch
- FILTER USAGE CMOS, CCD, UBVRI
- FILTER MOUNTED Mounted (LPFC 6mm)
- TYPE OF FILTER Bandpass
- SINGLE OR SET? Single Filter
- FILTER SHAPE round