Lunt BF1200 1.25" Blocking Filter in Diagonal – Ref. 0553004

Lunt BF1200 1.25" Blocking Filter in Diagonal – Ref. 0553004

Description

The Lunt BF1200 blocking filter is a crucial component for H-alpha solar observation. Integrated into a 90° 1.25" diagonal, it is designed to be used with Lunt Solar Systems' H-alpha setups.

This filter is suitable for telescopes with a maximum focal length of 1080 mm. It cannot be used standalone and must be paired with a Lunt H-alpha filter or dedicated solar telescope.

The diagonal features a T2 (M42x0.75 mm) thread on the eyepiece side, allowing the attachment of compatible photographic accessories.

Technical specifications

• Filter type: BF1200 blocking filter

• Filter diameter: 12 mm

• Format: integrated into a 90° diagonal

• Telescope side connection: 1.25" (31.75 mm) barrel

• Eyepiece side connection: 1.25" barrel with T2 thread (M42x0.75 mm)

• Maximum telescope focal length: 1080 mm

• Usage: only with Lunt H-alpha systems

• EAN: 4007922035796

User benefits

• Safe H-alpha solar observation

• Compatibility with telescopes up to 1080 mm focal length

• Integrated diagonal for ease of use

• T2 connection for attaching photographic accessories

Additional information

• The BF1200 blocking filter cannot be used without a Lunt H-alpha filter or dedicated solar telescope.

• For telescopes with focal lengths exceeding 1080 mm, it is recommended to use a larger blocking filter (BF1800 or BF3400).