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Optical Polygon Mirror Quartz For Sale

Price - $2,000.00

Ad Number: 192225

Posted: 12 Dec 2019

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Davidson Master Optical Polygon Mirror Model D618, 30 Degrees 12 sided Quartz

The Certified minimum accuracy of this is +/- 1 seconds of arc.
This polygon is in excellent condition.
The top surface of the polygon is polished to permit the user to autocollimate from this surface for precise positioning of the polygon axis. Spindle Mounting Base Is Flat to 0.000050" and square to axis of polygon within 20 arc seconds.
The Davidson Optronics D618 Optical Polygon is made of fused Quartz and is used as a Precision Master Reference for calibration of
Rotary Tables, Potentiometers, and Resolvers.
Having 12 faces, each face is .875" tall by .875" wide, 30 degrees apart and Aluminized and Coated.
This makes the individual faces large enough to easily use for autocollimation.
This comes in its factory mahogany case and is in good condition.
1 of the mirror surfaces has some minor blemish. See picture,
This would normally sell new for $12,225.00 but is no longer made by the company so you have to buy used.
I have tested this unit myself and used it and it is perfect for alignment.
Weight of unit is 5 1/2 lbs and total weight including Hardwood Case is 8 1/2 lbs

Free Shipping Federal Express Ground for CONUS


  • Condition Used
  • Location 92870

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