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Lunt LS6CaKMDs2 Ca-K filter in extension tube

£1,071.00

Quick Overview

The Lunt LS6CaKMDs2 Ca-K is a Calcium-K module in a straight through extension tube, for use in good quality Refracting telescopes up to 100mm aperture and up to 540mm focal length. This module is for 2" focusers and accepts 1.25" eyepieces and imagers and also has a male T-2 connection for DSLR imaging. Contains BF600 width blocking filter.
0553502
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This Lunt LS6CaKMDs2 Ca-K filter is a Calcium-K module in straight extension tube, for use in good quality Refracting telescopes up to 100mm aperture and up to 540mm focal length.

This Calcium-K module transforms your normal astronomical telescope into a Ca-K solar telescope. It's very simple to fit: put the Ca-K module into the 2" focuser of your refracting telescope and you'll be ready for solar observing in the Calcium-K wavelength.

Internal narrowband filters allow for a <2.4 Angstrom bandwidth. The Ca-K wavelength is at the edge of the visible light spectrum for human eyes, so for many people visual observing is challenging at this wavelenght. However, significant details can be captured photographically. Therefore, we recommend the Ca-K Module is primarily for imaging purposes.

This module is recommended for telescopes up to 100mm aperture and up to 540mm focal length.

The Ca-K module is in a straight extension tube, for fitting in 2" focusers on the telescope side and comes with T2 connection and for 1.25" eyepieces on the eyepiece side.

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