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Alpine Astronomical Baader 6.5nm F/2.0 S-II Highspeed CMOS Filter (1.25″ Eyepiece Filter)(Alpine Astronomical Baader 6 5nm F 2 0 S Ii Highspeed Cmos Filter 1 25 Eyepiece Filter)

Original price was: $357.31.Current price is: $97.99.

SKU: DGFUB 6954423812181 Categories: Optics, Optics & Surveillance, Telescopes Tags: Alpine Astronomical FCSIIHS-1, Astrophotography, Optics, Telescopes

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Alpine Astronomical FCSIIHS-1 Overview

This 1.25″ eyepiece round Baader 6.5nm f/2.0 S-II Highspeed CMOS Filter from Alpine Astronomical is recommended for extremely fast optical systems from f/3.4 to 1.8, and is designed for the special filter requirements of fast optics like Celestron RASA astrographs. The filter features a Reflex-Blocker hard coating, which has been planoptically polished, and has Life-Coat sealed edges. It is equally suitable for modern CMOS sensors as well as for older CCD camera technologies.

6.5nm FWHM, recommended for extremely fast optical systems from f/3.4 to 1.8
Specially designed for the special filter requirements when used with fast optics like the Celestron RASA astrographs
Reflex-Blocker hard coated and planoptically polished with sealed coating edges (Life-Coat)
Blackened edges all around, with filter-lead-side indicator in the form of a black frontside outer rim
Optimized for modern CMOS cameras, but excellent for CCD camera technologies

In the Box

Alpine Astronomical Baader 6.5nm f/2.0 S-II Highspeed CMOS Filter (1.25″ Eyepiece Filter)

Alpine Astronomical FCSIIHS-1 Specs

Size	1.25″ Eyepiece Filter

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