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16" REFLECTIVE LENS BENCH -- D-278

Model D-274 16" Reflective Lens Bench

The Model D-278 16" Reflective Lens Bench is an extremely stable, multi-purpose instrument for testing optical systems and lenses from the visual through the infrared.

  • Features:
    • 16" diameter reflective optical system
    • Extremely accurate optics
    • Capable of supporting large heavy systems

Detailed Specifications:

Primary & Secondary Mirrors Flatness 1/20 fringe or better
Coating Aluminum with protective overcoat per MIL-M-13508
Parabolic Primary Mirror Diameter 16"
Thickness 2.7"
Focal Length 107"
Secondary Mirror Diameter 18"
Center Hole Diameter 1½"
Collimated Beam Aperture diameter 15½ ±½".  Central obscuration does not exceed 1½".  Maximum deviation of collimated beam from parallelism over entire field of view is less than 2 arc seconds.
Overall Dimension Height 66"
Width 22"
Length 186"
Between Feet 133"
Rails Length 108.0" flat and straight within 0.010", each contains a flat and V-rail with approximately 6½" between centers
Large Carriage Rack and pinion traversing mechanism with position locking knob. 
Length: 30" -- Width: 20"
Height of Centerline Collimated Beam  To Floor 54"
To Rail 22½"
To Top-Large and Small Carriages 19"
To Top-Nodal Slide 9.8"
Height Pin to Chopper Plate 7½"
Lens Bench Weight 2,400 pounds
Shipping Weight 4,700 pounds

Model D-170 Light Chopper

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