Baader UBVRI Bessel I-Filter – Photometric

Highlights

• Baader UBVRI-I 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 for 2" filter