With spirit cross vial, infinity and
displacement reticles. Includes light source. ...more
272-15 Multiple-Target Collimator
Multiple targets simulate various distances
along the line of sight. ...more
272-MC
Has micrometer target
Same as 272-15, except contains a graduated
target at the 6' location rather than the standard
filar/ bi-filar target, for calibration of optical micrometers. ...more
