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Lunt LS40ERF 40mm Energy-Rejection-Filter

£135.00

Quick Overview

For experienced self builders of solar telescopes, we offer unmounted Energy Rejection Filter of 40 up to 100mm aperture.

Specifications
• Material: RG630
• Diameter: 43mm
• Aperture: 40mm
• Thickness: 3.5mm
• Side 1: Dielectric IR Blocking Coating
• Side 2: Broadband AR coating
• Wavefront: <1/4 wave T
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Details

For experienced self builders of solar telescopes, we offer unmounted Energy Rejection Filter of 40 up to 100mm aperture. 

Specifications
• Material: RG630 
• Diameter: 43mm 
• Aperture: 40mm 
• Thickness: 3.5mm 
• Side 1: Dielectric IR Blocking Coating 
• Side 2: Broadband AR coating 
• Wavefront: <1/4 wave T

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