Baader UBVRI Bessel B-Filter – Photometric

Highlights

• 100 x 100 mm x 3 mm Baader UBVRI-B Bandpass Filter, suitable from f/15 to f/1.8
• 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

This new generation of Baader Filters features:

CMOS-optimierte Baader Filter

• 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

Further information, test reviews, image results...

... can be found on our detailed Blogposts:

BAADER BLOGPOST:
NOW AVAILABLE: NEW BAADER UBVRI AND SLOAN/SDSS (UGRIZ') PHOTOMETRIC FILTERS

This entry was posted on October 12, 2021 by Team Baader Planetarium Last modified on November 2, 2021.

BAADER BLOGPOST:
NEW CMOS-OPTIMIZED BAADER FILTERS

This entry was posted on May 8, 2021 by Team Baader PlanetariumLast modified on May 4, 2022.

BAADER BLOGPOST:
RESULTS OF THE TESTS MADE BY GALLI GIANNI ABOUT THE NEW BAADER UBVRI BESSEL FILTERS

This entry was posted on March 2, 2022 by Team Baader Planetarium

Specifications

Specifications - 2" Filter