[9/17, 08:52] Dr. Harish Ravi: How does a 5x binocular make 10 km to 2 km to see?
[9/17, 08:53] Dr. Harish Ravi: The mistake is just looking at ray along principal perpendicular axis and not small angles around it .
[9/17, 09:04] Dr. Harish Ravi: So should such a person just wear spectacles to keep doing some optics experiment?
[9/17, 09:06] Dr. Harish Ravi: I was happier with .75 spectacles...
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