Tagged Questions
7
votes
3answers
308 views
How much distance should one move so that a shot that can be framed at xx mm be framed at yy mm?
Is there a website / app that will tell you approximately how much distance a person should move so that they are able to frame the same shot at different focal lengths?
Say for example, I'm ...
4
votes
2answers
360 views
Why does calculated distance of an object in an image vary when zooming?
I would like to calculate the distance of an object from my camera, so i used the formula given in this question and I got a very good answer, but I've found that when I zoom and take the picture and ...
24
votes
3answers
1k views
What does it really mean that telephoto lenses “flatten” scenes?
This is another perspective distortion question. I understand that perspective distortion is primarily a function of capture and viewing distance, but I am still working on fully understanding the ...
14
votes
2answers
15k views
How do I calculate the distance of an object in a photo?
If I took a picture of a windmill on the horizon — given that I know the sensor size and the focal length of the lens and other factors to do with the shot — could I calculate how far away an object ...
