Similar to the above question, I have a refracting telescope with an objective lens focal length f=200 mm. I have three possible eyepieces I can use with this telescope, having focal lengths of 9 mm, 25mm and 50 mm. I want to look at a cluster of stars which are well spread apart from each other on the sky. Which eyepiece would I best use for this? O A. 9 mm O B. 25 mm O C. 50 mm O D. It doesn't matter which one
Similar to the above question, I have a refracting telescope with an objective lens focal length f=200 mm. I have three possible eyepieces I can use with this telescope, having focal lengths of 9 mm, 25mm and 50 mm. I want to look at a cluster of stars which are well spread apart from each other on the sky. Which eyepiece would I best use for this? O A. 9 mm O B. 25 mm O C. 50 mm O D. It doesn't matter which one
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Transcribed Image Text:Similar to the above question, I have a refracting telescope with an objective lens focal length f=200 mm. I have three possible eyepiecesI can use with this
telescope, having focal lengths of 9 mm, 25mm and 50 mm. I want to look at a cluster of stars which are well spread apart from each other on the sky. Which
eyepiece would I best use for this?
A. 9 mm
B. 25 mm
C. 50 mm
D. It doesn't matter which one
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