AUTOCOLLIMATING ALIGNMENT TELESCOPE -- D-275The Model D-275 Autocollimating Alignment Telescope can be focused from 16 inches (400 mm) to infinity to align any number of points along its optical axis. Due to the fact that the mechanical axis of the tube and the optical axis of the instrument are parallel within 3 arc seconds, the instrument is easily adaptable to jigs and setups using a dial indicator.
A reflective surface may be established normal to the optical axis by utilizing the autocollimating feature. The Model D-275 is designed to provide the most-needed features as standard equipment at a low price. |
Detailed Specifications:
| Eyepiece Magnification | 24X | |
| Focusing Range | 16 inches (400 mm) to infinity (has focusing knob) | |
| Resolution | 5 arc seconds | |
| Field | 26 Inch at 100 feet (660 mm at 30 m) | |
| Focal Length | 14.3 Inch (363 mm) | |
| Aperture | 1-11/32 Inch (34 mm) | |
| Light Source | GE #328 lamp (2 spares included) | |
| 115V Power Supply | Model D-416 Power Pack,
variable from 0 though 6 volts DC |
|
| Reticles | Autocollimating | Fifteen concentric circles 1 arc minute apart
(30 arc minute field) |
| Alignment | Cross hairs with 0.000 25 Inch (6.4 μm) wide lines | |
| Barrel Dimensions | Length | 12¼ Inch (311 mm) |
| Diameter | 2.249 66±0.000 25 Inch (57.135 - 57.148 mm)
Optical Axis Concentric ±0.000 3 Inch at 16 Inch (±7.6 μm at 400 mm) |
|
| Overall Dimensions | Height | 4⅞ Inch (124 mm) |
| Width | 3-3/16 Inch (56 mm) | |
| Length | 20⅜ Inch (518 mm) | |
| Height to Aperture Center | 1.325 Inch (33.7 mm) | |
| Material | Housing | Aluminum |
| Barrel | 17.4 PH stainless steel hardened to Rockwell C 45-47 | |
| Finish | Housing | Ivory Enamel |
| Barrel | Polished Chrome Plate | |
| Carrying Case | Finished Hardwood, Ethafoam
fitted for instrument and light source |
|
| Instrument Weight | 13 pounds (5.9 kg) | |
| Shipping Weight | 26 pounds (11.8 kg) | |
Davidson Optronics, Inc.
Phone: (626) 962-5181
Fax: (626) 962-5188
E-mail: sales@davidsonoptronics.com