Brunson 2030 Alignment Telescope Bright Line/ Bright Reticle English Magnetic Locators The HR320 Laser Receiver is

The  HR320 Laser Receiver is a durable laser receiver for exterior leveling applications

1875 6 mm 6MM 1/4"

remove the hex bolt and install the adapter:

An intelligent adapter

Brunson 2030 Alignment Telescope Bright Line/ Bright Reticle English Magnetic Locators The HR320 Laser Receiver isThe 2030 is essentially the same as the 2022 alignment telescope but has 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 2030 includes a built in autoreflection target on the objective lens. An autocollimation illumination unit (our model 509) is included with