Baader UBVRI Bessel B-Filter 1.25" Photometric

1¼" x 2 mm Baader UBVRI-B Bandpass Filter, suitable from f/15 to f/1.8 – with 1¼" (28,5 mm) filter thread1¼" x 2 mm Baader. UBVRI-B 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 Bessel B-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)
• Life-Coat™: evermore hard coatings to enable a non-aging coating for life – even in a most adverse environment

Specifications:Baader UBVRI Bessel B-Filter 1¼ Inch Photometric

• MANUFACTURER Baader Planetarium
• SKU (#) 2961750B
• EAN CODE 4047825050427
• NET WEIGHT (KG) 0.06
• COLOUR Black
• TRANSMISSION RANGE Transmission according to Bessel
• FILTER THICKNESS (WITHOUT CELL) 2 mm
• CWL (CENTRAL WAVELENGTH) UBVRI-B
• 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

For more information about, Baader UBVRI Bessel B-Filter 1.25" Photometric website.