LS50ERF
(1 review)


in stock
in stock

Lunt LS50ERF - 50 mm Energy rejection filter


147,06 EUR
excl. VAT
excl. 4,65 € Shipping costs

 

Lunt LS50ERF - 50 mm Energy rejection filter


Energy rejection filters are long pass filters which block short-wavelength light. A coating blocks IR. Therefore, the filters of an H-alpha telescope are loaded only with red light.

♦ RG630 substrate, 3.5 mm thick

♦ Front side with dielectric IR blocking coating

♦ Back side with broadband AR coating

♦ Diameter: 53 mm

♦ Clear aperture: 50 mm


 
 

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