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Alpine Astronomical Baader CMOS-Optimized RGB-B Bandpass Filter (36mm Round, Unmounted)(Alpine Astronomical Baader Cmos Optimized Rgb B Bandpass Filter 36mm Round Unmounted)

Alpine Astronomical Baader CMOS-Optimized RGB-B Bandpass Filter (36mm Round, Unmounted)(Alpine Astronomical Baader Cmos Optimized Rgb B Bandpass Filter 36mm Round Unmounted)

Original price was: $253.57.Current price is: $96.99.

SKU: DGFUB 7058108743765 Categories: Optics, Optics & Surveillance Tags: Alpine Astronomical FCB-RD36, Astro Imaging Filters, Astrophotography, Telescopes

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Alpine Astronomical FCB-RD36 Overview

This 36mm Round, Unmounted Baader CMOS-Optimized RGB-B Bandpass Filter , from Alpine Astronomical is an anti-reflection RGB filter with extremely high transmission of the B color channel. Its balanced RGB design allows subframes to be taken with the same exposure time, making it ideal for automated imaging tasks. It features a Reflex-Blocker hard coating, which has been planeoptically polished, and has Life-Coat sealed coating edges. It is equally suitable for modern CMOS sensors as well as for older CCD camera technologies.

Reflex-Blocker coatings offer largest ever freedom from halos, even under most adverse conditions concerning aux-optics
Provides increased contrast
Identical filter thickness to existing standards (2mm), with utmost care for parfocality
FWHM on each filter category carefully designed to allow for 1:1:1 exposures, matched for typical CMOS quantum efficiency and S/N ratio
Blackened edges all around, with filter-lead-side-indicator in the form of a black frontside outer rim, to additionally eliminate any reflection due to light falling onto the edge of a filter
Each filter coated individually, with sealed coating edge (not cut out of a larger plate with coatings left exposed)
Life-Coat: evermore hard coatings to enable a non-aging coating for life – even in a most adverse environment

In the Box

Alpine Astronomical Baader CMOS-Optimized RGB-B Bandpass Filter (36mm Round, Unmounted)
Limited Lifetime Warranty

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