Lunt B1800d2 Blocking Filter 2"

Lunt B1800d2 Blocking Filter 2"

Description
The Lunt B1800d2 is a blocking filter integrated into a 90° star diagonal, designed for use with telescopes featuring a 2-inch focuser and up to 1620 mm focal length. This filter is intended exclusively for use in combination with a Lunt Solar Systems H-alpha filter system. It cannot be used alone.

The B1800d2 offers a 1.25-inch eyepiece connection and a T2 thread for camera mounting. It ensures safe and high-quality H-alpha solar observation by blocking unwanted wavelengths.

Technical specifications
• Product reference: 0553012
• EAN: 4007922035864
• Clear aperture: 18 mm
• Format: 90° star diagonal
• Connections: 2" input, 1.25" output, T2 thread
• Compatibility: Telescopes up to 1620 mm focal length
• Material: Aluminum
• Net weight: 410 g

User benefits
• Safe H-alpha solar observation
• Comfortable diagonal format for viewing
• Compatibility with 1.25" eyepieces and cameras via T2 thread
• Robust aluminum construction

Additional information
• Must be used exclusively with a Lunt Solar Systems H-alpha filter system
• Not a standalone solar filter
• Designed for telescopes with 2" focusers and up to 1620 mm focal length