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11 Ιουλ 2019 · Focal length is the distance between the optical center of the lens, and the camera sensor or film plane when focused at infinity. The optical center is where light rays converge inside the body of your lens. The focal length defines the magnification and field of view for a given lens.
18 Σεπ 2023 · The exact definition is: Focal length measures the distance, in millimeters, between the “nodal point” of the lens and the camera’s sensor. “Nodal point” may sound complicated, but it is simply the point where light converges in a lens.
13 Μαΐ 2023 · Many new DSLRs and mirrorless cameras are usually sold with a lens that typically offers a range of focal lengths between 18mm and 55mm - offering a choice of angles of view from moderate wide-angle to short telephoto, with these camera's APS-C-sized sensor.
The simplest focal length definition is a description of the distance between the center of a lens and the image sensor when the lens is focused at infinity.
2 Φεβ 2024 · The focal length of a lens is the optical distance from the point where the light meets inside the lens to the camera’s sensor. What difference does this make? Read our handy guide to be in the know
11 Ιαν 2024 · It describes the distance between the sensor (or film) inside your camera and the point at which the rays of light converge once they’ve entered the lens. This focal length determines two things: the angle of view (which is how much of a scene will be recorded) as well as the magnification.
18 Οκτ 2024 · Focal length is the distance between your camera's sensor and the lens's point of sharpest focus when focusing the camera to infinity. But how does it affect your photos?
