Introduction Experiment 9 introduced us to the concept of thin lenses. We were asked to determine the focal lengths of two converging lenses and one diverging lens. The following equations were used to calculate the focal lengths: 1/p + 1/q = 1/f where p is equal to the distance of the object from the lens and q is equal to the image length from the lens‚ and f is the focal point and 1/converging F+ 1/diverging F = 1/combined. The focal point is positive for converging lenses and negative for diverging lenses
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a word or phrase in the blank to make the statement true. __F__ 1) The microscope lens may be cleaned with any soft tissue. USE ONLY LENS PAPER. REGULAR TISSUES CAN SCRATCH THE LENSES. __F__ 2) The coarse adjustment knob maybe used in focusing with all objective lenses. COARSE ADJUSTMENT IS ONLY USED ON SCANNING POWER. __T__ 3) When beginning to focus‚ the lowest power lens should be used. __T__ 4) Resolution decreases as the amount of light coming in on
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Why is the lens flexible? The lens within our eyes is flexible so that it can adjust according to the environment you are in‚ so that you can see clearer and focus on an object closer up or farther away. It bends and shifts depending on how close or far you are from the object you are looking at. When you age‚ the lens becomes less flexible and it becomes harder to see. This is a condition that will eventually affect everybody‚ and is known as presbyopia. Name the three parts that the eye needs
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a light-tight box containing a light sensitive material or device and a way of letting in a desired amount of light at specific times to create a picture on the light sensitive material. 2. What is a convex lens? A convex or converging lens will bend the light torward the center of the lens because one or both sides of the glass curve outward it also takes the various rays of light and bends them toward the same point which will eventually allow an image to form. 3. What three components make up
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Controlled assessment research Focus length of a lens- The most important characteristic of a lens is its principal focal length‚ or its inverse which is called the lens strength or lens "power". Optometrists usually prescribe corrective lenses in terms of the lens power in diopters. The lens power is the inverse of the focal length in meters: the physical unit for lens power is 1/meter which is called diopter Convex- The word convex means curving out or bulging outward‚ as opposed to concave
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How does a Lens Refract Light? Different Lenses refract light in different ways. First‚ we will look at a double convex lens. Several light rays will approach the convex lens in a parallel manner. After they approach the lens‚ each ray will refract towards the normal. The light is passing from an optical less dense medium (Air) into a more dense medium (such as plastic or glass) at this boundary. Since the light rays are passing the boundary from a less dense medium in which light travels fast (optically
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connector). Can convert analog to digital? Yes is possible. Cost is 25 USD to 250USD. Can convert to BNC to RJ45 or even to Fibre. Lens affect the viewing angle from 4 MM‚ 6MM‚ 8MM‚ 16MM. Manufacturer is Sharp and Sony. Lens also got differentiate into CMOS and optical lens. Optical lens consume more bandwidth. AXIS has the best CMOS lens and they can make it closer to optical lens. MTBF- Mean time before failures. Our AP is 200‚000HRS which is quite safe. Camera also have MTBF timing. Bosch have best datasheet
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de/221_Praktica_BC1.htm Praktica BC1 03/09/2013 19:34 view finder fixed eye-level view finder mirror (Pentaprism‚ field of view: 95%) with field lens with triple rangefinder wedge‚ truncated microprism screen‚ groundglass field‚ red LEDs- for shutter speed signaling changes their brightness with brightness of the image film single stroke 125° wind-on quick- lens mount transport / release lever with 25° stand off frame position‚ accepts B-motor winder‚ counter folding crank rewind knob‚ autozeroing frame
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It costs $20 through the manufacturer‚ and only $22 through Amazon. Overall‚ if you purchase the drone‚ the camera‚ and the lens‚ you are looking at spending approximately $200 if you purchase everything through the manufacturer’s website‚ and approximately $180 if you make your purchases through Amazon‚ which is a fantastic value for everything that you are getting. There is
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waits outside of the bathroom looking up at me. When I’m stressed from studying‚ I put my head on his warm body and listen to his faint purrs. Zorro to me isn’t just a pet‚ he is my companion. In the picture‚ Zorro is looking straight into the camera lens. That’s the same look he has when he’s on my desk looking at me while I do some work on my laptop. Zorro gives me his undivided attention when I call him‚ occasionally responding with a tiny chirp. Taking the picture of Zorro will allow me to remember
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