Product Description
The PA Series Pinhole Autocollimators determine the small relative angles of flat reflecting surfaces with arc-second accuracy. They project a light beam like a collimator and collect it's reflections like a telescope - the reflections appear through the eyepiece as a bright circular surface.
PA-50 Specs:
Resolution (arc-sec): 5
Spot Size (arc-sec): 50
Field of View: 3 Degrees
Aperture: .656 in.
Included in this sale are the autocollimator, mount and controller. All pieces are in very good cosmetic condition.