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.
Descrizione
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.
Brand
LUNT Solar Systems
Warranty
2 years
EAN
4007922035918
Shipping Weight
0.3 kg
Filter type
special-purpose
Optics material
RG630
Optics coating
side 1: dielectric IR blocking, side 2: broadband AR
Glass or film thickness, mm
3.5
Filter aperture (film diameter), mm
100
Outside diameter, mm
105
Additional
wavefront: <1/4 wave T
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