Baader SLOAN/SDSS u'-Filter – photometric

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Baader SLOAN/SDSS u'-Filter – photometric

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€ 154.00 Price excl. German VAT tax (19%): € 129.41

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  • Baader SLOAN-u' Bandpass Filter, suitable from f/15 to f/1.8
  • SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-specification
  • 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

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€ 154.00 Price excl. German VAT tax (19%): € 129.41

Product Questions and Answers

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What's the actual size of your 2" filters in "mm" with and without frame/ring? What step down adapter is suggested from a 52 mm to "-- mm"?
Question by: Waqas Ahmad on Oct 10, 2016 7:54:00 PM | 1 Answer(s)

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What are the threads and pitch of your 1.25" and 2" filters?
Question by: Anders G. on Sep 20, 2017 12:55:00 PM | 1 Answer(s)

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100x100: I need to mount a much larger UV-or IR-filter onto my DSLR-lens than your regular astro 2" filters allow
Question by: FAQ - Team Baader on Nov 25, 2022 8:54:00 AM | 1 Answer(s)

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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:
Amateur Astronomers take a look through the Cloud Cover of Venus with our SLOAN Filters

Baader Blogpost:
First Light with Baader SDSS filters by S. Ziegenbalg

Baader Blogpost:
Now available: New Baader UBVRI and SLOAN/SDSS (ugriz') Photometric Filters

Baader Blogpost:
New CMOS-optimized Baader Filters

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Rolf_1959 311/11/2023 08/11/202307:40
  • Rating:
Venus im UV-Filter
Meine bisherigen Aufnahmen der Venus zeigten sehr einen harten Kontrast. Ein Sternfreund empfahl mir, es mal mit einem UV-Filter zu versuchen. Auf meine Anfrage, ob meine Planetenkamera QHY462-III C im UV-Bereich überhaupt noch empfindlich genug sei, hat mir prompt die BAADER-Hotline u.a. diesen Filter für die Kamera empfohlen. (Danke für das schnelle und umfangreiche Feedback). Hier das erste Ergebnis leider nicht unter optimalen Bedingungen (die Venus stand bereits sehr tief, bei leichter Bewölkung). Aber dennoch kann man deutlich erkennen, dass der Kontrast hier deutlich besser ist.
  • Preis-Leistungsverhältnis passt perfekt in das UFC-System, und besonders: Die individuelle Beratung durch die Baader-Hotline per Mail.
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