Lunt Solar Systems 100mm Energy Rejection Filter

Lunt Solar Systems 100mm Energy Rejection Filter

Lunt Solar Systems 100mm Energy Rejection Filter

B&H # LUHQDLIR MFR # LS100ERF
Lunt Solar Systems 100mm Energy Rejection Filter

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Expected availability: 7-10 business days

Product Highlights

  • Schott RG630 Optical Filter Glass
  • Diffraction-Limited with IR Cut
  • <1/4 Wave T Wavefront
  • Dielectric IR-Blocking Coatings
  • Broadband Anti-Reflection Coatings
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Diameter: 100

50

Special Order

100

SAFETY FIRST: Observing the Sun without the proper protection may result in serious personal injury, including permanent eye damage and blindness, and/or damage to equipment. Never point an optic at the sun without an approved solar filter on the front of the optic. For direct solar viewing, viewing the sun through an optic, or when using cameras with an optical viewfinder, ensure your filter is ISO 12312-2 (also written as ISO 12312-2:2015) certified. Never use photographic neutral density filters for direct solar viewing, viewing the sun through an optic, or when using cameras with an optical viewfinder.

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You Pay: $325.00

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  • 1Description

For the experienced viewer who wants to build their own solar scope, Lunt Solar Systems offers this unmounted Energy Rejection Filter (ERF) for use in H-alpha solar filters. Made of Schott RG630 optical filter glass, it is diffraction-limited with IR Cut and a <1/4 wave T wavefront. One side features dielectric IR-blocking coatings while the second side has broadband anti-reflection coatings.

Material Schott RG630 optical filter glass
Diameter 105mm
Aperture 100mm
Thickness 3.5 mm
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