Baader Ultra-Narrowband 4.5nm Square O III CCD-Filter 65x65mm Baader Ultra-Narrowband 4.5nm Square O III CCD-Filter 65x65mm
Product Code: 2458434Z

Baader Ultra-Narrowband 4.5nm Square O III CCD-Filter 65x65mm

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Manufacturer Code: 2458434Z
 UPC :
Brand:  Baader
RRP: £529.00£446.35Inc VAT 20%You Save:  £82.65
Baader
UK Sourced Stock
OIII filters only pass light at 501 nanometers wavelength. This corresponds to the spectral line of the doubly ionized oxygen . This line is emitted by planetary nebulae and some emission nebula, so that by means of this filter these objects remain visible while the rest is hidden. This effect increases contrast and makes faint fog visible.

Astrophotography: This filter is best used with monochromatic cameras. Ideally, you combine the recording by this filter with recordings by H-alpha and SII filters. The result is a picture that shows the delicate fog structures rich in contrast and clearly.

The particularly narrow-band filter is ideal for fast optical system up to f / 3.5 . Since even slower optics up to f / 8 handle this filter very well, it can be described as very versatile.

Features:
  • 65x65 mm Baader O-III filter square unmounted
  • Bandwidth 4.5 nm
  • For fast optical systems from f / 10 to f / 3.5
  • non-ageing sealed coating edges
  • Extreme contrast enhancement when photographing nebulars which emit O-III light
  • Allows deep-sky photography even from cities

    • Specifications:
  • Central wavelength: 502nm
  • Half-value width: 4,5nm
  • Optical length: 3mm
  • Coating of optical system: dielectric
  • AR-coating: dielectrically coated, plane-optically polished
  • Frame: unmounted
  • Filter Size: 65 x 65mm
  • Type: Filters
  • Useful for photographs: yes
  • Planetary nebulae: yes
  • Warranty: 2 years

    • Kit content
    Baader Ultra-Narrowband 4.5nm Square O III CCD-Filter 65x65mm 3mm glass thickess
    Filter box
    Lens cleaning cloth
    User guide

    Available Filter sizes
  • 1.25": (2mm glass thickness)
  • 31mm unmounted: (2mm glass thickness)
  • 36mm unmounted: (2mm glass thickness)
  • 2" mounted: (2mm glass thickness)
  • 50.4mm round: (3mm glass thickness)
  • 50x50mm square: (3mm glass thickness)
  • 65x65mm square: (3mm glass thickness)
    • For more information about, Baader Ultra-Narrowband 4.5nm Square O III CCD-Filter 65x65mm website.
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    Baader Ultra-Narrowband 4.5nm Square O III CCD-Filter 65x65mm

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    £446.35
    This product was added to our catalog on Tuesday 07 January, 2020.