# Linked Questions

10 questions linked to/from What is "infinity focus"?
7answers
7k views

### What is “Hyperfocal Distance”?

I'd like a clear & easy-to-understand (especially for non-physics-types) explanation of what Hyperfocal Distance is, how it affects photographs, and what determines its value.
4answers
1k views

### Where to focus when shooting landscapes?

When I am shooting landscapes, where (at what point) should I focus when using Auto Focus? Or if I am shooting the lit up skyline of the city, what should be my focus point? The reason I ask is that ...
4answers
4k views

### What is the formula for determining where infinity focus begins?

I'm having difficulty find any info on determining where infinity focus begins. I'm assuming there's a formula involving focal length and... Can anyone help?
3answers
40k 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 ...
3answers
3k views

### Understanding focus distance of Nikon f/1.8D lens with D5600 Camera

I took some sample photos using my Nikon D5600 camera with Nikon f/1.8D lens. I had to set the focus manually since this lens doesn't provide AF with my camera. My Question: The album of my sample ...
3answers
953 views

### Why are my pictures blurry even though a DOF calculator shows everything should be in focus?

In theory, according to the DOF calculator, I can achieve infinity focus with my Sigma 10-20 at f/3.5 when focusing at a subject that's 2m away but when I put it to the test my pictures come out super ...
2answers
2k views

### Landscapes: why *narrow* aperture?

In an earlier question, several people suggested that for landscape photography, you want a small aperture, “to maximise the depth of field”. I'm not sure I understand that… Surely if you're ...
2answers
3k views

### What does it mean when macro focus range and normal focus range are equal?

For an example, G3X's normal FR and macro FR are the same according to DPReview. So, what happens when shooting? Also what does it mean a camera's (FZ2000) normal FR is 30cm? (that means it can ...
1answer
1k views

### What technique and settings should I use to capture meteor showers?

I'm just starting out with astrophotography and have read that this years most spectacular meteor shower display (at least where I live in Canberra, Australia) will be the Eta Aquarids Meteor Shower: ...
1answer
485 views

### How do add on macro smartphone lenses allow you to take macro photos?

It may sound obvious, but how exactly does an add on macro lens allow you to take close up photos? Can someone give technical reasons? I'd like to know the physics behind add on macro lenses and how ...