Forgotten in its old age

by Aditya

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8
votes
2answers
439 views

How to determine camera location from an existing photograph?

I have old photos of a town and landscape around it. I'd like to take these photos again, from the same locations. In some cases I am struggling with finding the original location of the camera. I ...
0
votes
0answers
29 views

How to accurately calculate size in image using relations and a reference

OK so the relation math is easy enough. If you know the size of an object, say a 12" ruler in the image, and you put the ruler flat against another object like a door. You take a picture of the door ...
3
votes
2answers
216 views

Image size of the Sun / Moon from a telephoto lens

I'm interested in taking a picture of the Sun / Moon using a telephoto lens. For example like this. It would be very helpful for me to know what the approximate image size of the sun / moon would ...