LUNT LS100ERF 100mm Energy Rejection Filter
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For experienced self builders of solar telescopes, Lunt Solar Systems offer unmounted Energy Rejection Filter (ERF) of 40mm up to 100mm aperture as accessory. These ERF are suitable for use together with additional H-alpha Etalon filters.
|Side 1||dielectric IR blocking coating|
|Side 2||broadband AR coating|
|Wavefront||<1/4 wave T|
|Brand||LUNT Solar Systems|