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Baader f/2 Highspeed Narrowband CCD 3-Filter Set (H-a/O-III/S-II) - 31mm Round Unmounted
Sku:
ZZOFIL-ZZBP-FHSS-RD31
Mfg #:
2459384
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Final product price
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SKU:
ZZOFIL-ZZBP-FHSS-RD31
Mfg #:
2459384
Key Features
- Premium Baader LRGB-C filter set for astrophotography with monochrome CCD and CMOS astronomy cameras; unmounted 31mm diameter round filters
- Precisely engineered passbands for superb color separation and contrast
- Designed to pass critical wavelengths from nebulae and stars while rejecting light pollution from some terrestrial sources
- UV/IR-cut Luminance filter rejects out-of-band light for pinpoint star images
- Individually-coated filters prevent degradation from moisture
- Hard coated for easy cleaning and long life
Description
Description
Baader f/2 Highspeed Narrowband CCD Filter with preshift and LPFC (low profile filter cell): Set of three 31mm Round Unmounted filters - H-alpha, O-III and S-II.
Baader's new f/2 Highspeed Narrowband Filters are designed especially for the delicate requirements of extremely fast astrograph optics, such as Hyperstar, RASA, and ultra-fast instruments from TEC/AP/ASA/etc. Conventional narrowband filters cause a heavy loss in transmission due to the strong CWL-shift. In extreme cases the CWL even shifts out of the FWHM (CWL= Center-wavelength; FWHM= full width half maximum).
Therefore these filters have a CWL-preshift which matches f/2 to f/3 perfectly. Also the FWHM is optimized. In spite of the typical line broadening with such fast optical trains they are able to deliver maximum contrast. For the first time these filters allow the effective use of extremely fast optics for high contrast imaging of emission nebulae. Using these filters between f/1.8 and f/3.5 shows a dramatic improvement compared to any regular set of narrowband-filters.
Manufacturer part # FHSS-RD31 or 2459384
Other Information
- Country of Manufacture: Germany
Baader f/2 Highspeed Narrowband CCD Filter with preshift and LPFC (low profile filter cell): Set of three 31mm Round Unmounted filters - H-alpha, O-III and S-II.
Baader's new f/2 Highspeed Narrowband Filters are designed especially for the delicate requirements of extremely fast astrograph optics, such as Hyperstar, RASA, and ultra-fast instruments from TEC/AP/ASA/etc. Conventional narrowband filters cause a heavy loss in transmission due to the strong CWL-shift. In extreme cases the CWL even shifts out of the FWHM (CWL= Center-wavelength; FWHM= full width half maximum).
Therefore these filters have a CWL-preshift which matches f/2 to f/3 perfectly. Also the FWHM is optimized. In spite of the typical line broadening with such fast optical trains they are able to deliver maximum contrast. For the first time these filters allow the effective use of extremely fast optics for high contrast imaging of emission nebulae. Using these filters between f/1.8 and f/3.5 shows a dramatic improvement compared to any regular set of narrowband-filters.
Manufacturer part # FHSS-RD31 or 2459384
Read Full Description
Reviews / Q&A
Reviews / Q&A
Key Features
- Premium Baader LRGB-C filter set for astrophotography with monochrome CCD and CMOS astronomy cameras; unmounted 31mm diameter round filters
- Precisely engineered passbands for superb color separation and contrast
- Designed to pass critical wavelengths from nebulae and stars while rejecting light pollution from some terrestrial sources
- UV/IR-cut Luminance filter rejects out-of-band light for pinpoint star images
- Individually-coated filters prevent degradation from moisture
- Hard coated for easy cleaning and long life
Description
Reviews / Q&A
Description
Baader f/2 Highspeed Narrowband CCD Filter with preshift and LPFC (low profile filter cell): Set of three 31mm Round Unmounted filters - H-alpha, O-III and S-II.
Baader's new f/2 Highspeed Narrowband Filters are designed especially for the delicate requirements of extremely fast astrograph optics, such as Hyperstar, RASA, and ultra-fast instruments from TEC/AP/ASA/etc. Conventional narrowband filters cause a heavy loss in transmission due to the strong CWL-shift. In extreme cases the CWL even shifts out of the FWHM (CWL= Center-wavelength; FWHM= full width half maximum).
Therefore these filters have a CWL-preshift which matches f/2 to f/3 perfectly. Also the FWHM is optimized. In spite of the typical line broadening with such fast optical trains they are able to deliver maximum contrast. For the first time these filters allow the effective use of extremely fast optics for high contrast imaging of emission nebulae. Using these filters between f/1.8 and f/3.5 shows a dramatic improvement compared to any regular set of narrowband-filters.
Manufacturer part # FHSS-RD31 or 2459384
Other Information
- Country of Manufacture: Germany
Reviews / Q&A