• B3400 Blocking Filter Straight thru
  • B3400 Blocking Filter A-part A
  • B3400 Blocking Filter Lunt Solar Telescopes
  • B3400 Blocking Filter A-part B
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Lunt B3400 Blocking Filter

Lunt B3400 Blocking Filter

$2,160.00 USD
$2,160.00 USD
Sale Sold out
Shipping calculated at checkout.

Blocking filters are required for proper use of 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.

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Lunt B3400 Blocking Filter
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$2,160.00 USD
$2,160.00 USD
Sale Sold out
Uncompromising Craftsmanship

Uncompromising Craftsmanship

Every Lunt telescope is meticulously hand-built and precision-tested in-house to deliver unmatched optical performance. Nothing leaves our hands without meeting exacting standards.

Concierge-Level Support

Concierge-Level Support

From expert bench testing to personalized US-based support, our team ensures a seamless experience.

Professional-Grade Imaging

Professional-Grade Imaging

Unlock the full potential of your observations with premium imaging solutions designed to capture the sun’s finest details.

Trusted by NASA

Trusted by NASA

Chosen for mission-critical observation, our award-winning team partnered with NASA to live-stream the 2024 Solar Eclipse—testament to the precision and reliability of our instruments.

Performance Without Equal

Performance Without Equal

Lunt telescopes are engineered for those who demand the best—offering elite capability, flawless build quality, and enduring value.

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Crafted for discerning observers and professionals, Lunt telescopes deliver world-class optical performance, engineered in the USA with the highest-grade materials and attention to every detail.

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