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Lunt Unmounted Energy Rejection Filters

Lunt Unmounted Energy Rejection Filters
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Our Price:  £157.00(Inc. 20% VAT)
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Model:  0558101
Brand:  Lunt



  • Unmounted Energy Rejection Filters, usable for H-alpha systems.
  • Available in 40 mm, 50 mm, 75 mm and 100 mm apertures.

Lunt Energy Rejection Filters are diffraction limited with IR Cut, and are made for use in h-alpha solar filters.  The ERF filters are unmounted, and are available in 40 mm, 50 mm, 75 mm, and 100 mm apertures.

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

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

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