3. Calculate the pixel scale of a CCD camera consisting of a Takahashi 150 telescope tube and a SBIG STF- 8300M CCD detector. The tube has an objective with a focal length of 1080mm. The CCD has pixels which are 5.6 um x 5.6um in size. Show your working.
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- Imagine you are stuck on a deserted island and have a box of lenses with you. If you wanted to start a fire using sunlight and a lens, which type of lens would you choose? Why would that lens be a good choice to use? Give your answer as a CER. Hint: Claim: Your answer to the question Evidence: Describe observations or data that support your answer Reasoning: Explain how the evidence you picked supports your answerplease show calculations on how to get the focal length, f and algebraic solution for the image distance q when p=fCalculating focal length and focal length of a drone’s camera so that the length of the bridge on the CCD will be 2 millimeters? CCD = 1.35 mm 400 ft above a 30 m bridge.
- A refracting telescope has a 0.988 m diameter objective lens with focal length 8.35 m and an eyepiece with focal length 2.43 cm. What is the angular magnification of the telescope? Describe the final image. 1. None of these. 2. erect and real 3. erect and virtual 4. inverted and real 5. inverted and virtualThe primary mirror on a telescope has a 52 m radius of curvature and the eyepiece has a focal length of 13 mm. Determine the magnification & length of the telescope (for the length, treat the telescope as if it were a refracting telescope). M = L = 11 -/1 Pointsl DETAILS5. A lens of a certain 35-mm digital camera has a focal length of 55 mm. How close to the ccd should the lens be placed to form a sharp image of an object that is 5.0 m away? What is the magnification of the object on the camera's ccd? [Answer: di 5.6 × 10-² m; m = −0.011] -2 =
- 8)Anne's retina is 1.8 cm from the lens. The nearest object she can see clearly without corrective lenses is 2.0 m away. 1. Sketch a ray diagram to show (qualitatively) what happens when she tries to look at something closer than 2.0 m without corrective lenses. 2. What should the focal length of her contact lenses be so that she can see clearly objects as close as 20.0 cm from her eye?An astronomical telescope has an objective with focallength 75 cm and a +25 D eyepiece. What is the totalmagnification?
- Problem 8: The objective lens of the refracting telescope at the Lick Observatory in California has a focal length of 57 ft. a. What is the refractive power of this lens? b. What focal length (mm) eyepiece would give a magnification of 1000X for this telescope?Resources L Give U Suppose a certain person's visual acuity is such that he or she can see objects clearly that form an image 4.00 µm high on his retina. What is the maximum distance at which he can read the 67.0 cm high letters on the side of an airplane? The lens-to-retina distance is 2.25 cm. maximum distance: Question Credit: OpenStax College Physics contact us helpPart A: A 2.70-cm high insect is 1.50 m from a 129-mm-focal-length lens. Where is the image?Follow the sign conventions. Express your answer to three signifcant figures and include the appropriate units. Part B: How high is the image? follow the conventions. Express your answer to three signifcant figures and include the appropriate units. Part C: What type is the image?