Sunset in Kruger

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Infinity focus is when a lens forms an image with sharp details of an object at infinite distance away.

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14
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5answers
12k 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?
11
votes
1answer
974 views

Why do some lenses focus past infinity?

On the kit 18-55 lens that came with my Nikon D5100 I have noticed that when trying to focus on infinity for shots in dark conditions (star-trails, etc) the lense tends to move past infinity out of ...
5
votes
3answers
4k 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 ...
2
votes
3answers
8k 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 ...