2-1/2" Magnetic Mirror (6202)

Estimated lead time:
21 days

Ships in 2 Weeks

For autocollimation and autoreflection

A magnetic mirror is used to check the perpendicularity of any flat surface to a line of sight using the optical principles of autoreflection or autocollimation. The 6202 mirror has a circular front surface with a 2½" (63.5 mm) diameter. Its reflecting surface is flat to within ¼ wavelength of light over any area not greater than 50 mm in diameter. A single magnet is cemented to the back of the mirror. Its contact surface is ground parallel to the mirror surface within 3 arcseconds.  This type of mirror is also a convenient accessory for performing instrument calibrations in the field. You may wish to look at our other mirrors.

Below is the back side of the 6202 showing the magnetic mount.
The back side of the 6202 showing the magnetic mount.

Mirror Face 2-1/2” (63.5 mm) diameter
Parallelism, front-to-back Within 3 arcseconds
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