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12 INCH ADJUSTABLE REFERENCE MIRROR -- D-569

Adjustable Reference Mirror D-569

The Model D-569 12 inch (305 mm) Diameter Adjustable Reference Mirror provides a large reflecting surface that is perpendicular to the mounting plane.  Two extremely fine adjustment screws simplify precision alignment.

    Features:
    • General lab and shop reference mirror
    • Flat to ⅕ fringe over working surface
    • Adjustable to fractions of one second
    • Flatness certified traceable to National Institute of Standards and Technology

The Model D-569 Adjustable Reference Mirror provides a clear 12 inch (305 mm) diameter working surface.  The adjustment screws tilt the mirror approximately 1.0 arc second for each 1° turn.  A series of Model D-569 or Model D-571 mirrors are often used for the purpose of simulating long distances.  Both mirrors are basic tools recommended for any laboratory or precision shop, and most aerospace ground support installations.

Detailed Specifications:

Flatness ⅕ Fringe
Surface Quality 80/50 per MIL 3830
Material Mirror Fused Silica
Mount Aluminum alloy
Coating Aluminum with protective overcoat per MIL-M-13508
Mirror Dimensions Diameter 12¼ Inch (311 mm)
Thickness 2 Inch (51 mm)
Overall Dimensions Height 15½ Inch (394 mm)
Width 15 Inch (381 mm)
Depth 12 Inch (305 mm)
Height to Mirror Center 8.1 Inch (206 mm)
Finish Ivory Enamel
Mirror Weight 50 pounds (23 kg)
Shipping Weight 60 pounds (27 kg)

Davidson Optronics, Inc.
Phone: (626) 962-5181
Fax: (626) 962-5188
E-mail: sales@davidsonoptronics.com