ERF 2″ Filter S-series for Quark Chromosphere


SKU: ERF2 Categories: ,


Player One S series filter using high quality optical glass substrate and multi-layer composite coating technology, which has excellent optical performance in astrophotography.

2 inch ERF filter ( Energy rejection filter for Quark Chromosphere)

This filter is an assistant filter, design for Quark Chromosphere (Ha verstion) , intend to reject energy and extend life time of your Quark.

2″ ERF filter must working on 6″ or smaller refractors.

(DO NOT use it on eyepiece for observing)


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