| 摘要 |
<p>A telescopic device (1) adapted for bifocal vision, comprising: optical system for viewing a field-of-view; a housing for containing and supporting the optical system, the optical system comprising an objective lens (3) located on one side of the housing with a first optical axis (X) and an eyepiece lens (4) located at the opposite side of the housing with a second optical axis (X'); a system comprising reflective and/or refractive and/or diffractive optical elements for tilting the first optical axis with respect to the second optical axis to enable simultaneously view of the target and its magnified image; and a target acquisition device (11).</p> |
