Brunson Bright Line Alignment Telescope in Metric Needs Review non-telescoping legs are used

non-telescoping legs are used

guarded chisel

The adapter holds the centerpoint of a 1

The Invar tubing elements are individually NIST-traceable

no slipping

Brunson Bright Line Alignment Telescope in Metric Needs Review non-telescoping legs are used2024BL uses the design of the 2022 as its basic building block. However, the 2024BL has metric micrometers as well as a right angle eyepiece and a two reticle system consisting of a dark field, bright line reticle as well as a bright field, dark line reticle. These features specifically enhance the unit's accuracy and ease of use when autocollimating. The 2024BL includes a built in auto reflection target on the objective lens. An autocollimation