AUTOCOLLIMATING ALIGNMENT TELESCOPE -- D-271The compact precision Model D-271 Alignment Telescope is rugged, versatile and easy to use. It aligns points along its optical axis to better than ±0.010 up to 35 feet. Mechanical fixturing is made easily because the barrel is parallel to the optical axis. With the added feature of an autocollimator, reflective surfaces can be aligned perpendicular to the Model D-271. It focuses from 6 inches to infinity. In addition, the Model D-271 has an autocollimating feature that permits it to be used as an autocollimator. Introduction:
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Detailed Specifications:
| Eyepiece Magnification | 24X | |
| Focusing Range | 6" to infinity (focusing knob) | |
| Field | ¾" at 1 foot,
3.5" at 5 feet, 12.0" at 15 feet |
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| Measuring Range | 1° at 1 ft and ±10 arc minutes at 5 ft. | |
| Reticles | Autocollimating | Projects center dot with 1 arc minute ring graduations (±30 arc minutes) |
| Alignment | Cross hairs with 0.000 5" wide lines | |
| Light Source | GE #328 lamp (2 spares included) | |
| 115V Power Supply | Model D-416 Power Pack,
variable from 0 though 6 volts DC |
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| Barrel Material | Hardened and polished Stainless Steel | |
| Dimensions | Length | 8.2" |
| Barrel Diameter | 1.500" (+.000/-.002)
concentric to optical axis |
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| Aperture | 0.9" | |
| Carrying Case | Finished Hardwood, Ethafoam
fitted for instrument and light source |
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| Instrument Weight | 2 pounds | |
| Shipping Weight | 10 pounds | |
Davidson Optronics, Inc.
Phone: (626) 962-5181
Fax: (626) 962-5188
E-mail: sales@davidsonoptronics.com