The Antlia 50 mm extension tube is a dedicated accessory for the Antlia Solar Discover 5 Å / 0.5 nm CaK filter allowing you to adjust the working distance for optimal image sharpness.

The extension is made entirely of oxidized aluminum. It is equipped with an internal M48x0.75 thread and brass pressure plates that guarantee safe attachment of optical accessories.

Key Features of the Antlia 50mm Extension Tube

• dedicated to work with the Antlia Solar Discover 5 Å / 0.5 nm CaK filter
• durable metal frame

Technical parameters

• mount: 2"
• optical length: 50 mm
• dedicated to: Antlia Solar Discover 5 Å / 0.5 nm CaK
• internal thread: M48x0.75
• frame: black, anodized

Set components

• Antlia 50mm extension tube

Guarantee

24 months