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Filtro di rigetto Lunt ERF da 75 mm Visualizza ingrandito

Lunt ERF 75 mm energy-rejection-filter

Lunt

LT-0558103

Nuovo

Lunt ERF 75 mm energy-rejection-filter. Diameter 80 mm, aperture 75 mm, thickness 3.5 mm.

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239,00 €

Ordered upon request

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LUNT LS75ERF 75mm Energy-Rejection-Filter

High quality diffraction limited IR Cut Energy-Rejection-Filter with 75mm aperture.

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.

Technical data:
• Material: RG630
• Diameter: 80mm
• Aperture: 75mm
• Thickness: 3.5mm
• Side 1: Dielectric IR Blocking Coating
• Side 2: Broadband AR coating
• Wavefront: <1/4 wave T

Delivered by order:
• 1 x LUNT 75mm ERF

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