A camera with a lens diameter D = 3 mm and a focal length of f...
A camera with a lens diameter D = 3 mm and a focal length of f = 4.25 mm. Assume the wavelength of light is 500 nm and the sensor in the camera is 5 mm x 5 mm and that each pixel has a size of 2μm x 2μm.
A) If a vertical meter stick is located 5m from the camera and the image of the meter stick is in focus, how far from the lens is the sensor?
B) What is the size of the meter stick on the sensor?
C) What is the angular size of an object which has a height of 5mm if it is located 5m from the camera?
D) What is the angular size of a pixel if the camera is focused on an object far away?
E) What is the diffraction limit for the cameras angular resolution?
Homework Answers
A cell phone has a camera with a lens diameter D = 3mm and a focal...
A cell phone has a camera with a lens diameter D = 3mm and a focal length of f = 4.25mm. (1mm = 10−3m.) For this problem take the wavelength of light to be 500 nm (5 × 10−7) m. Assume the sensor in the phone is 5mm x 5mm and that each pixel has a size of 2μm x 2μm. (1μm = 10−6m.) a. If a vertical meter stick is located 5m from the phone and the image of...
A cell phone has a camera with a lens diameter D = 3mm and a focal...
A cell phone has a camera with a lens diameter D = 3mm and a focal length of f = 4.25mm. (1mm = 10−3m.) For this problem take the wavelength of light to be 500 nm (5 × 10−7) m. Assume the sensor in the phone is 5mm x 5mm and that each pixel has a size of 2μm x 2μm. (1μm = 10−6m.) What is the the size of meter stick on the sensor? what is the angular size...
A digital camera has a lens that can be approximated as a thin lens of focal...
A digital camera has a lens that can be approximated as a thin lens of focal length 6 mm, located a variable distance x from an image CMOS pixel plane. The pixel array has dimensions of 1000x1000 and the pixel size is 3 microns. 1. If x- 8 mm, then the image on the pixel plane is in sharp focus for an object a distance So in front of the lens. Determine So If an object at nearly infinite distance...
Suppose your 48-mm focal length camera lens is 54 mm away from the image sensor in...
Suppose your 48-mm focal length camera lens is 54 mm away from the image sensor in the camera. How far away, in meters, is an object that is in focus? What is the object height, in meters, if its image is 1.75 cm high? h_o =
Suppose your 50.0 mm focal length camera lens is 51.2 mm away from the film in the camera. How fa...
Suppose your 50.0 mm focal length camera lens is 51.2 mm away from the film in the camera. How far away is an object that is in focus? Submit Answer Tries 0/5 What is the height of the object if its image on the film is 1.1 cm high? Submit Answer Tries 0/5
Suppose your 50.0 mm focal length camera lens is 51.2 mm away from the film in the camera. How far away is an object that is in...
Suppose your 50.0 mm focal length camera lens is 51.0 mm away from the film in...
Suppose your 50.0 mm focal length camera lens is 51.0 mm away from the film in the camera. (a) How far away in m) is an object that is in focus? x m (b) What is the height (in m) of the object if its image is 1.90 cm high? m
Suppose your 59-mm-focal-length camera lens is 63 mm away from the film in the camera. How...
Suppose your 59-mm-focal-length camera lens is 63 mm away from the film in the camera. How far away is an object that is in focus? 929.2 mm What is the height of the object if its image is 1 cm high? Give your answer as an absolute value of the height of the object. 29.4985 cm.
A 105 mm focal length lens is used to focus an image on the sensor of...
A 105 mm focal length lens is used to focus an image on the sensor of a camera. The maximum distance allowed between then lens and the sensor plane is 132 mm. How far in front of the sensor should the lens (assume thin) be positioned if the object to be photographed is place 7.5 m away. a. 105 mm 106.49 mm Ob. 106.11 mm Oc. 132 mm d.
A lens for a 35-mm camera has a focal length given by f = 50.5 mm...
A lens for a 35-mm camera has a focal length given by f = 50.5 mm . How close to the CCD sensor should the lens be placed to form a sharp image of an object that is 5.20 m away?
2. A camera has a single converging lens with a fixed focal length f. (a) How...
2. A camera has a single converging lens with a fixed focal length f. (a) How far should the lens be from the film in order to focus an object that is infinitely far away (namely the incoming light rays are parallel with the principal axis of the system) (b) How far should the lens be from the film to focus an object at a distance of 2f in front of the lens? (c) What is the magnification of the...
A digital camera has a lens that can be approximated as a thin lens of focal length 6 mm, located a variable distance x from an image CMOS pixel plane. The pixel array has dimensions of 1000x1000 and the pixel size is 3 microns. 1. If x- 8 mm, then the image on the pixel plane is in sharp focus for an object a distance So in front of the lens. Determine So If an object at nearly infinite distance...
Suppose your 48-mm focal length camera lens is 54 mm away from the image sensor in the camera. How far away, in meters, is an object that is in focus? What is the object height, in meters, if its image is 1.75 cm high? h_o =
Suppose your 50.0 mm focal length camera lens is 51.2 mm away from the film in the camera. How far away is an object that is in focus? Submit Answer Tries 0/5 What is the height of the object if its image on the film is 1.1 cm high? Submit Answer Tries 0/5
Suppose your 50.0 mm focal length camera lens is 51.2 mm away from the film in the camera. How far away is an object that is in...
Suppose your 50.0 mm focal length camera lens is 51.0 mm away from the film in the camera. (a) How far away in m) is an object that is in focus? x m (b) What is the height (in m) of the object if its image is 1.90 cm high? m
Suppose your 59-mm-focal-length camera lens is 63 mm away from the film in the camera. How far away is an object that is in focus? 929.2 mm What is the height of the object if its image is 1 cm high? Give your answer as an absolute value of the height of the object. 29.4985 cm.
A 105 mm focal length lens is used to focus an image on the sensor of a camera. The maximum distance allowed between then lens and the sensor plane is 132 mm. How far in front of the sensor should the lens (assume thin) be positioned if the object to be photographed is place 7.5 m away. a. 105 mm 106.49 mm Ob. 106.11 mm Oc. 132 mm d.
2. A camera has a single converging lens with a fixed focal length f. (a) How far should the lens be from the film in order to focus an object that is infinitely far away (namely the incoming light rays are parallel with the principal axis of the system) (b) How far should the lens be from the film to focus an object at a distance of 2f in front of the lens? (c) What is the magnification of the...
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