Lunt B3400 Blocking Filter

$2,000.00

  • A Blocking Filter is a required component when using any Lunt solar filter or solar telescope products.
  • The housing contains additional filters that are needed for safety when viewing the Sun.  Do not use a Lunt Solar Systems telescope or filter without a Lunt brand blocking filter.
  • The B3400 Blocking Filter is recommended for telescopes with focal lengths of 3400 mm when used visually, and 1800 mm when used for imaging applications.
  • The 34 mm blocking filter is housed in a 2″ straight-through housing.

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Description

B3400 blocking filters are required on all Lunt solar telescopes.

The Lunt Solar Systems B3400 Blocking Filter is housed in a 2″ straight-through extension tube with 2″ and T2 connections. Like all Lunt blocking filters, the B3400 houses additional filters. Significantly, this is required for the safety and performance of the solar package. It’s important to realize that Lunt Solar blocking filters contain a unique filter system. Furthermore, we can only warranty safety or performance when one of our blocking filters is paired with a Lunt H-alpha filter or telescope.

The B3400 is best for visual work on telescopes with focal lengths up to 3400 mm, and for imaging work on scopes with focal lengths of up to 1800 mm.

See the latest news about the Sun at NASA.

Check out our great selections of Solar Telescopes.

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