Manufacturer: LUNT Solar
Product number: LS100ERF

EUR 545,00


incl. 19 % VAT (DE)  
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excl. 6.95 € shipping costs (DE)  
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100 mm Energy Rejection Filter for self-construction of H-alpha telescopes
A high quality diffraction limited IR Cut Energy Rejection Filter (ERF) with 100 mm aperture. For use with H-alpha solar filters.

For experienced self builders of solar telescopes, we offer these unmounted Energy Rejection Filter of 40 up to 100 mm aperture. All Lunt ERF filters are unmounted. We offer an optional adaption to your telescope via a custom-made adapter.
Material:RG630
Diameter:105 mm
Aperture:100 mm
Thickness:3.5 mm
Front side treatment:Dielectric IR blocking coating
Back side treatment:Broadband AR coating
Wavefront error:<1/4 lambda
Lunt 100 mm ERF



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