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Collimator With Reticule Changer
A collimator is a projector that images a reticle at a specific distance. Usually, imaging to infinity occurs at the wavelength 525 nm, but adjustment to finite distances or other wavelengths are also common and possible. Collimators are used in conjunction with test telescopes for angle measurement and angle adjustment.
| Effective Focal Length | 360 mm |
| Clear Aperture | 60 mm |
| Field of view | 4 Degrees |
| Collimator Tube | Hardened Steel |
| Light Source | LED with intensity control |
| Target Graticule | Definition type 25 mm diameter |
| Levels | Horizontal +/-20”; Vertical < +/-5 minutes |
| Optical axis | w.r.t the OD of collimator tube: < 10 secs |
| Reticule Verticality | 5 minutes w.r.t a Plumb line |
| Horizontal Stand | With V-Mounts and three levelling screws |