ANGLE PRISMS -- D-611
In many respects the Model D-611 Angle Prisms are like polygonal mirrors and have similar applications. They can be used as calibration standards for checking scales, prisms, windows, angle blocks or in gyro drift tests. The angles are specified by the user to fit his particular application. Three fine adjustment screws in the base are provided to facilitate prism alignment.
Model D-611 Angle Prism with 90 degree mount for both azimuth and elevation. There are three models available: Model D-611-3, Model D-611-4 and Model D-611-'a' where the dash number indicates the number of faces for each Model and the -'a' option allows for customer choice. |
Detailed Specifications:
| Angles | Specified by purchaser | |
| Accuracy | ±1 second of specified angle | |
| Flatness | Each face flat to 1/5 fringe | |
| Surface Quality | 80/50 per MIL-O-13830 | |
| Material | Mirror | Fused Quartz |
| Mount | Aluminum | |
| Coating | Aluminum with protective overcoat per MIL-M-13508 | |
| Mirror Face Dimensions
(for Model D-611-3) |
Middle Mirror Height | 5/16" |
| Middle Mirror Width | 2½" | |
| Top & Bottom Mirror Height | ½" | |
| Top & Bottom Mirror Width | 2½" | |
| Overall Dimensions | Height | 2" |
| Width | 3-5/16" | |
| Length | 4" | |
| Finish | Ivory Enamel | |
| Carrying Case | Ethafoam lined Finished Hardwood | |
| Prism Weight | 1 pound | |
| Shipping Weight | 2 pounds | |
Calibration is given to 1/10 second of actual angle with probable error of no more than ½ second. Calibration sheets are included giving angle from bottom to middle and from bottom to top mirror. Angle values are engraved on base plate.
Davidson Optronics, Inc.
Phone: (626) 962-5181
Fax: (626) 962-5188
E-mail: sales@davidsonoptronics.com
