| 摘要 |
A display apparatus is described that comprises an optical ocular part (3) arranged for viewing a scene therethrough, and a waveguide display part (6) arranged for guiding image-bearing light to a transparent display output area (16) thereof and thereat displaying the image. The ocular part and/or the waveguide display part are positioned, or are arranged to be positioned, mutually in register for viewing simultaneously the scene with the displayed image incorporated in it, through the transparent display output area. A focuser part (17) positioned in register with the display output area focuses simultaneously the scene and the incorporated image for focussed viewing by a user (13). |
