Dioptometer BJ-02
The BJ-02 diopter telescope provides: 1. Testing of optical-instrument eyepiece diopter range, zero position and accuracy. 2. Testing of eyepiece diopters and diopter-zero deviation. 3. Use as an auxiliary telescope for testing optical-instrument image quality and resolving power.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Objective Focal Length | 80 mm |
| Aperture | ≥Φ 17.5 mm |
| Magnification | 4^X |
| Objective Resolution | 7.5″ |
| Field of View | ≥10° |
| Minimum Diopter Graduation | 0.25 SD |
| Measurement Range | ±2.5 SD |
| Eyepiece Diopter | ±5 SD |
| Exit-pupil diameter | Φ 4.4 mm |
| Eye Relief | 18 mm |
Datasheet
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