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Question 5 2 pts A telephoto lens for 35-mm film camera has a focal length of...
A telephoto lens with focal length of 120mm has f-numbers ranging from f/2.8 to f/22. What is the diameter of the lens aperture at f/2.8? What is the diameter of the lens aperture at f/22?
- Consider a camera that uses a lens with a focal length of 35 mm. How far behind the lens must the film be in order to take a picture of a flower that is 75 cm in front of the lens? - A convex lens is used to make an image of a 10 cm tall arrow on a screen. The arrow sits 25 cm in front of the lens and the image that it creates is 20 mm...
The focal length of the lens of a simple film camera is 40.0 mm. By what amount should the distance between the lens and the film be increased or decreased to change the focus from a person who is 25 m from the lens to one who is 4.0 m from the lens? A) 0.3 mm B) 0.7 mm C) 0.2 mm D) 0.4 mm E) 0.5 mm Please show work. Thanks
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...
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?
Review Constants Part A An underwater camera has a lens of focal length 35.0 mm and a maximum aperture of f/2.80. The film it uses has an emulsion that is sensitive to light of frequency 6.10x1014 Hz . If the photographer takes a picture of an object 3.10 m in front of the camera with the lens wide open. What is the width of the smallest resolvable detail on the subject if the object is a fish underwater with the...
An f/2.80 CCD camera has a 105-mm focal length lens and can focus on objects from infinity to as near as 30.0 cm from the lens. (a) Determine the camera's aperture diameter. Deter- mine the (b) minimum and (c) maximum distances from the CCD sensor over which the lens must be able to travel during focusing. Note: "f/2.80" means "an f-number of 2.80."
A camera lens has a focal length of 197 mm . How far from the lens should the subject for the photo be if the lens is 20.4 cm from the film? s= (answer in cm)
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.
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