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What focal-length lens would you

A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = +41.7 cm. Precisely 36.1 cm
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2. asked by Rudi
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A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = +41.7 cm. Precisely 36.1 cm
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2. asked by Rudi
3. 1,171 views
A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = +41.7 cm. Precisely 36.1 cm
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2. asked by Rudi
3. 978 views
Optics/Lens problem. Is the image real or virtual?A converging lens of focal length f1 = +22 .5cm is placed at a distance d = 60
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2. asked by Anon
3. 786 views
determine the type and focal length of a lens that has the same power as a combination of a thin converging lens of focal length
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2. 158 views
A box is placed 50 cm away from a double convex lens. The image is on the opposite side of the lens, is inverted and 50 cm away
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2. asked by kate
3. 547 views
Two converging lenses are placed 38.5 cm apart. The focal length of the lens on the right is 15.5 cm , and the focal length of
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2. asked by R
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What focal-length lens would you need to place next to a converging lens of focal length 29 cm to create an effective focal
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2. asked by Jeanette
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An object 2.00cm high is placed 40cm to the left of a converging lens having a focal length of 30cm.A diverging lens having a
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2. asked by moses
3. 453 views
the thin lens equation in physics is 1/s+1/S=1/f where s is the object distance from the lens,S is the image distance from the
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2. asked by roslin
3. 3,119 views