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Solar Observation > Solar Filters > Glass filter without frame > Lunt Solar Systems > Lunt Solar Systems Energy rejection filter for 75mm H-alpha solar filter, unmounted
Product no.: 16045

Energy rejection filter for 75mm H-alpha solar filter, unmounted

$ 282.00 incl. VAT plus shipping costs
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Product description

For experienced builders of solar telescopes, Lunt Solar Systems offers unframed Energy Rejection Filters (ERF) in various diameters as accessories. These ERFs are suitable for use with additional H-alpha Etalon filters.

  • Front: Dielectric IR-blocking coating
  • Back: Broadband AR coating
  • Wavefront: <1/4 wave T

Please note: The ER filters alone do not provide sufficient protection against solar radiation!

Specifications

Capacity

Frame
unmounted
Free transmission (mm)
75

General

Type
Filters
Type of build
ERF pre-filter
Diameter (mm)
80
Height (mm)
3,5
Material
RG630

Product safety

Manufacturer: Lunt Solar Systems LLC, 2520 North Coyote Drive Suite 111, 85745 Tucson, Arizona, US, www.luntsolarsystems.com
Responsible person: NIMAX GmbH, Otto-Lilienthal-Str. 9, 86899 Landsberg am Lech, DE, [email protected]

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*All prices include VAT plus shipping costs.

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Lunt Solar Systems Energy rejection filter for 75mm H-alpha solar filter, unmounted

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