Lecture 15: Cameras & Lenses (61)
zy5476

Long-Exposure photography has alway amazed me as it tries to capture motion and movement across time all in one single snapshot. I think there is something ethereal and supernatural about it.

spegeerino

This slide reminded me of a fun thing you can do with your phone camera that has to do with exposure time. If you take a stick and warm the end in a fire (until it's red hot), and then wave the stick around while taking a picture, you can see an orange trail behind where the stick actually ends up in the picture. If you're fast enough, you can draw shapes.

508312

to do this with a renderer would we take snapshots at time points and interpolate between them?

agao25

@spegeerino Even using the flashlight of another phone works! I don't know if you've heard of light painting before, but there's a whole section of long exposure photography that is dedicated to creating really interesting pictures by using various light sources from light sticks to point lights. I've definitely messed around with it and light painted words on pictures. I think the capturing of the trail of the plane's lights in this picture is really interesting though because it's like you can trace the short history of the event

anavmehta12

When I used to go camping, I used to use iPhone lights or some other light to light paint which is another cool form of long exposure photography.

llejj

This is an example of how longer shutter duration can lead to motion blur. I'm curious why the image looks so noisy, despite the long exposure. Shouldn't the signal to noise ratio be very good?

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