ZOOM-FERNROHR
The device has a fixed focal length eyepiece and a prism inversion system arranged between the objective and the eyepiece. The objective consists of a positive optical system (G1) and two optical systems (G2,G3) movable along an optical axis to vary magnification, whereby the positive optical system...
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| Zusammenfassung: | The device has a fixed focal length eyepiece and a prism inversion system arranged between the objective and the eyepiece. The objective consists of a positive optical system (G1) and two optical systems (G2,G3) movable along an optical axis to vary magnification, whereby the positive optical system is formed from at least one achromat (8), the second optical system (G2) is formed from at least two achromats (9,10) and the third optical system (G3) is formed from at least one achromat (11) and a positive single lens (12). |
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