Binocular | Magnification: 10 x | Objective lens diameter: 60 mm | Field of view: 92
Binocular | Magnification: 10 x | Objective lens diameter: 60 mm | Field of view: 92 m | Travel bag included | Black
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The optical telescope in the Vainu Bappu observatory at Kavalur has an objective lens of diameter 2.3.m. What is its angular resolution if the wavelenght of light used is 589 nm?
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