Zeiss Abbe 2x Barlow with Baader ClickLock – Optional 3x Conversion

Zeiss Abbe 2x Barlow with Baader ClickLock – Optional 3x Conversion

Description:

The Zeiss Abbe 2x Barlow lens combines the optical expertise of Carl Zeiss with Baader Planetarium’s mechanical excellence. The doublet is fully multi-coated and optimized to reduce internal reflections, especially in the green spectral range—where human vision is most sensitive. This delivers high-contrast, sharp images, perfect for planetary and deep-sky imaging.

When inserted into a 1.25" focuser, it doubles the focal length of your telescope. An optional upgrade to 3x magnification is possible by replacing the optical element (not included). The Baader ClickLock system ensures precise alignment and secure clamping with no marks.

A built-in T2 thread (M42 x 0.75 mm) allows direct attachment of a DSLR or CCD camera. With the optional Baader Varilock, you can adjust the spacing to fine-tune the magnification.

Spectral transmission curve of the Zeiss Abbe Barlow

This (german) document attests to the exceptional performance of the multi-layer anti-reflection coating applied onto the new 2016 Carl Zeiss Abbe-Barlow-Lens made in Jena / Germany. Carl Zeiss has chosen to develop and apply the very best coating ever made available to the most discriminating visual observer. The coatings feature a 0.2% loss over the exact spectral region where the night-adapted human eye is most sensitive. This extremely high efficiency also translates to near-zero coating scatter for the highest contrast ever seen. No lens-system has ever been coated to more stringent requirements for visual observation and for VIS-photography as well.