Baader T-2 extension tube 40 mm

Baader T-2 extension tube 40 mm

Description

The Baader T-2 extension tube 40 mm is a precision optical accessory for setups using the T-2 (M42 x 0.75) system. With a 40 mm optical path length, it is designed to adjust the working distance and ensure accurate focus, especially in eyepiece projection with sliding focusers.

It features an internal T-2 (M42 x 0.75) female thread on the telescope side and an external T-2 male thread on the eyepiece/camera side. Its 38 mm clear aperture and 46 mm outer diameter ensure optimal illumination without vignetting.

As part of Baader’s T-2 adapter family, it corresponds to T-2 part #25B. Weighing 0.04 kg, this extension tube combines precision and durability, making it an essential element for fine-tuning astrophotographic and visual applications.

Technical Specifications

• Manufacturer: Baader Planetarium

• Product SKU: 1508153

• EAN code: 4047825016225

• Adapter family: T-2 system

• T-2 Part #: 25B

• Type: extension tube

• Optical length: 40 mm

• Clear aperture: 38 mm

• Outer diameter: 46 mm

• Lens side connection: T-2 (M42 x 0.75) female

• Eyepiece/camera side connection: T-2 (M42 x 0.75) male

• Usage: eyepiece projection with sliding focuser

• Net weight: 0.04 kg