Baader UV/IR-Cut / L-Filter – CMOS-optimized

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Baader UV/IR-Cut / L-Filter – CMOS-optimized

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€ 65.00 Price excl. German VAT tax (19%): € 54.62

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  • Baader CMOS UV/IR-Cut (420 – 685 nm) Bandpass Filter, suitable from f/15 to f/1.8
  • Reflects harmful thermal radiation in the infrared spectral range
  • Provides 98% transmission over the entire visible spectrum from 420 - 685 nm
  • Prevents blurred star imaging with red-sensitive digital and CCD/CMOS cameras
  • 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
  • Optimized for modern CMOS cameras, but likewise excellent for CCD camera technologies

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€ 65.00 Price excl. German VAT tax (19%): € 54.62

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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The filter says it’s suitable from f/15 to f/1.8. What would be the result if I’m imaging outside this range e.g. f/18?

The optimal f ratio for imaging planets with my camera is f/15 (5x the 2.9 micron pixel size) but am having a bit of trouble reaching this (f/17-f/18 has been the closest). So, wanted to know what the impact would be to image quality etc. if I used this filter with at f/18.
Question by: Chris on Dec 13, 2021 4:04:00 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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I would like to mount this filter on a 52 mm lens. What filter size would you recommend? And would I need a specific holder to screw the filter in the lens?
Question by: Silvia on Apr 14, 2022 11:48:00 PM | 1 Answer(s)

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Is Baader UV/IR-Cut / L-Filter – CMOS-optimized suitable for solar observation as extra safety combined with Baader Astrosolar film ?
Question by: Vk on Feb 4, 2022 3:51:00 PM | 1 Answer(s)

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I use the Celestron C14 edge with reducer with an earlier generation Baader UV/IR cut filter. Even with careful calibration I get the effect of a port hole in the images where the reducer apears to create this. Will the new filter help with this issue as I feel it may be an internal reflection not being well handled by the earlier generation filters. I also see this effect with the RGB filters.
Question by: MARK Shelton on May 25, 2022 1:46:00 PM | 1 Answer(s)

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This new generation of Baader CMOS-filters features:

CMOS-optimized Baader Filters
  • Increased contrast, matched for typical CMOS quantum efficiency and s/n ratio
  • 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...

    Don´t be misled.

    These all new CMOS-optimized filters work magnificently with all existing digital camera technologies, be it CMOS or CCD. However – an owner of CCD-camera-technology will still find our previous, extremely affordable, narrowband filter technology to be fully apt for excellent imaging. But: "the Better always is enemy to the Good".

    ... can be found on our detailed Blogpost:

    Baader Blogpost:
    New CMOS-optimized Baader Filters

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    Wolfgang Dz 316/11/2021 13/11/202118:43
    • Rating:
    Macht was er soll
    Ein Filter, der tut was er soll. Er leistet seinen Beitrag zu scharfen Sternabbildungen oder detailreichen Jupiterfotos. Ich möchte ihn nicht missen.
    • tu was er soll
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