Tagged Questions
1
vote
3answers
158 views
What does infinity focus mean and when should I use it?
All my lens have focus ring where at the end there's an infinity symbol. What does that mean? If I'm taking landscape shot and what everything from near to far to be in focus, do I use infinity? Or am ...
2
votes
2answers
456 views
How to calculate the size of the image circle at infinity focus?
How can I determine the diameter of the image circle (i.e. the diagonal size of CCD required to fully utilise a telescope's optics) at near-infinity focus? I have looked around online and found this ...
4
votes
3answers
1k views
How can I find infinity focus on a kit lens with no markers?
I have a kit lens which has no markers. What would be a recommended way to find infinity focus on this lens?
I plan to shoot objects at night -- not necessarily stars or the moon. So, adjusting the ...
11
votes
5answers
2k views
What is “infinity focus”?
I have been reading a bit about astrophotography and the term infinity focus keeps coming up. What is infinity focus and how do you set the camera to infinity focus?
