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Unfinished Business

2 days and 20 hrs ago Calvin Lin posted a pic here which started to get a lot of heat soon...and everyone who was involved shared their view about it there. Anyone interested what was it about can visit the note and have a look at it and also go through the comments.

This note is to extend my view furthermore.

This photo is to show that there are extremely sophisticated cameras which can very nicely capture an extremely difficult moment.

These are pics which show inversions a raindrop can produce. Some of them were taken on a rainy day, so the inverted image won't be as sharp as expected because the outside (the object being inverted) is itself hazy due to the weather. And some of them are really sharp. So lets have a look at them.

The photo Calvin posted was real or not is a different question. What I want to tell is that it is very much probable that anyone cap capture such an effect on a camera. :)

So what do you think?

Note by Soumo Mukherjee
2 years, 8 months ago

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As a side note, you do not need extremely sophisticated cameras to see and the effects for yourself (or even to capture them). It all boils down to finding the correct focal length at which the image is inverted. Knowing this, take any lens (like a circular vase of water), and then move it back and forth towards the object that you are staring at.

If you start with the vase at the object, the image will just pass through directly.
As you bring the vase nearer, the image shrinks until it goes to a point / line.
As you bring it closer, the image is now inverted, which is the effect that is captured above.

Of course, other than moving the glass, you can also move your head (or camera) till you find the sweet spot. Your phone camera can capture such images, though the resolution might differ. Calvin Lin Staff · 2 years, 8 months ago

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@Calvin Lin \(\dfrac{1}{f}=\dfrac{1}{v}-\dfrac{1}{u}\) Satvik Golechha · 2 years, 8 months ago

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@Satvik Golechha An equation says a thousand words ! Soutrik Bandyopadhyay · 2 years, 8 months ago

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@Calvin Lin But I didn't get the second image. Is it inverted?? Mudit Bansal · 2 years, 8 months ago

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@Calvin Lin This is just like the optical experiments we do in our school's physics lab. Mudit Bansal · 2 years, 8 months ago

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Ossum! GM Harimangal Pandey · 2 years, 8 months ago

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Awesome!!☆ Handayani Basuki · 2 years, 8 months ago

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