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Filter SII 3nm SERIE PRO - ANTLIA

ANSII3-125
Rating 

The 3nm filter can be used in areas with a lot of light pollution to be able to obtain a very well contrasting and perfectly centered image centered in the wavelength of 671.6Nm.

Version
€339.00
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Quantity
Generaly in Stock under | 3 - 10 days

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Description

SII 3NM PRO - Antlia filter

The 3nm filter can be used in areas with a lot of light pollution to be able to obtain a very well contrasting image and perfectly centered in the wavelength of 671.6 Nm.
The narrow band width of Antlia has an extremely high transmission which allows you to have a higher contrast and simultaneously reduce the light pollution resulting from the emission of artificial lights of sodium and mercury.
The T is kept stable at 671.6 Nm with an 88%signal, where the filter becomes more sensitive to the spectrum in order to guarantee the best signal-outlet and an OD3 cutting deposit (0.1%) is necessary To reduce interference of other wavelengths.

The SII filter is generally used to photograph the emission nebulae, planetary nebulae and vestiges of supernovas, can easily highlight SII details of these objects.


A narrow 3nm strip for your CMOS

Antia Filters has developed the Ha-Oiii-Sii 3nm and LRVB series reflecting on the new generation of CMOS cameras, they have been developed specifically thinking about the needs of CMOS cameras, as well as the use of tlescopes with strong opening until F/2

The narrow strip of the filters is very narrow, only 3 nm, it is therefore recommended to use these filters on large diameter telescopes, high focal telescopes or take a long shot to obtain enough signal to do Bring out the details of the objects.


Technical specifications:

  •     Basic substrate: Schott optical substrate
  •     Filter thickness: 2mm +/- 0.05mm for 1.25 '' mounted
  •     FWHM (total width in mid-maximum): 3nm
  •     CWL (central wavelength): 671.6nm
  •     Transmission point:> 88%
  •     Blocking:> 5 OD (0.001% band blocking) @ 300-1000NM
  •     Surface quality: S / D (Scratch / DIG) = 60/40 (see MIL-O-13830)
  •     Transmitted wave front: lambda / 4 or better.
  •     Parallelism: less than 30 arcsec
  •     Single / unlined substrate
Product Details
ANSII3-125

Data sheet

Type
Version Vissé
Type
SII
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AsiAir compatible ZWO cable for 2 heating resistors RCA connectors

Filter SII 3nm SERIE PRO - ANTLIA

The 3nm filter can be used in areas with a lot of light pollution to be able to obtain a very well contrasting and perfectly centered image centered in the wavelength of 671.6Nm.

Write your review
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