Baader SLOAN/SDSS g'-Filter – photometric

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Baader SLOAN/SDSS g'-Filter – photometric

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€ 148.00 Price excl. German VAT tax (19%): € 124.37

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  • Baader SLOAN-g' 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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€ 148.00 Price excl. German VAT tax (19%): € 124.37

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:
Baader Photometric Filters: Dark nebulae appear in a new light

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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Philippe Cambre 292/10/2022 20/10/202218:50
  • more than 2 year(s)
  • Rating:
Excellent filter quality and useful for planetary imaging
I'm using the BAADER SLOAN r' and g' along with the Baader CMOS L filter with mono camera for planetary imaging luminance and mix them with Winjupos software. FOr colors, I just use the Baader CMOS L filter with another color camera and put the color on the luminance afterwards.
The SLOAN r' (= red + part of green) is the less sensitive to medium seeing and can help you catch some nice details especially on North & South pole of Jupiter for instance.
Using L CMOS filter requires good seeing.
And when the seeing is excellent, the SLOAN g' (blue + part of green) can give you the best resolution and make you compete with bigger apertures.
As Baader filters have the same thickness and as my Newtonian s perfecty corrected in blue (contrary to SC for instance because of spherochromatism) the focus point is not changing while I change from one filter to another. It makes things also a little easier.
I'm definitely happy with these filters!
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