Patent ID: 11953671
Assignee: DAR-TSON SHEN
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 18:
19. A method for observing an object with a telescope, the method comprising:
adjusting the telescope to focus on the object; and
moving a cover portion of the telescope relative to an openable housing of the telescope:
from a closed position where the cover portion is located to cover a housing aperture defined by the openable housing and to thereby conceal or at least partially conceal at least one of a first optical component with a first focal point and a second optical component, the first optical component and second optical component located within or at least partially within a longitudinally extending optical path cavity defined by the cover portion and the openable housing; and
to an open position where the cover portion is located to uncover the housing aperture and visually expose at least one of the first optical component, the second optical component, and the first focal point, or at least portions of at least one of the first optical component, the second optical component, and the first focal point via the housing aperture;
wherein the first focal point is between the first optical component and the second optical component.