Assertion: lens's length | /r/HasProperty | the distance
Facets:
value: between the lens
type: LOCATION
value: to the point
type: OTHER
value: between the fovea
type: LOCATION
value: between the focal plane
type: LOCATION
value: between the focal point
type: LOCATION
Source sentences:
text: The focal length of a lens is the distance from the center of the lens to the point at which it focuses light rays.
text: The focal length of a lens is the distance from the centre of the lens to the point at which the image of a distant object is formed.
text: The focal length of a convex lens is the distance between the center of the lens and the focal point.
text: Focal length is the distance between the center of the lens and the image sensor.
text: Wide-angle lenses have short focal lengths, which is the distance, when a lens is focused on the farthest point possible, between the optical center of the lens surface
text: Unless you are dealing with a large format system and looking at the rail on your camera, you aren't going to care about how the lens is designed and if the actual focal length is the distance between the lens and the focal plane or not.
text: The focal length of an eyepiece is the distance from the principal plane of the eyepiece where parallel rays of light converge to a single point.
text: The axial length (AL) is the distance between the anterior surface of the cornea and the fovea and usually measured by A-scan ultrasonography or optical coherence biometry.