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Tecotec - Model DPT -5/+5 - Diopter Telescope
FromTecotec Group
Testing diopter graduation, focusing range and infinity („zero“) setting of eyepieces. Measurement of power of lenses. Testing the astigmatism of telescopes. Measuring the field curvature of lenses.
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- Range: -5 to +5 D
- Graduation: 0.2 D
- Focal length: 40mm
- Height: 75-92mm
- FOV: 13°