Alpine Astronomical Baader 6.5nm Narrowband Filter Set (50 x 50mm)

Alpine Astronomical FCSETN-SQ50 Overview

The 50 x 50mm Baader 6.5nm Narrowband Filter Set from Alpine Astronomical features three precision-grade filters designed for f/10 to f/3.5 optical systems. The set includes H-alpha, O-III, and S-II filters optimized for CMOS sensor cameras and also suitable for CCD sensors.

H-alpha, O-III, and S-II narrowband filter set 6.5 nm FWHM recommended for optical systems from f/10 to f/3.5 Designed to allow for 1:1:1 exposures, matched for typical CMOS quantum efficiency and s/n ratio 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 CMOS cameras and suitable for CCD cameras Increased contrast Narrow passbands

In the Box

• Alpine Astronomical Baader 6.5nm Narrowband Filter Set (50 x 50mm)
• H-alpha Filter
• O-III Filter
• S-II Filter
• Limited 2-Year Warranty

Alpine Astronomical FCSETN-SQ50 Specs

Alpine Astronomical FCSETN-SQ50 Reviews

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