Linked Questions

2
votes
3answers
269 views

Why 1 sunbeam for each aperture blade in your lens? [duplicate]

I don't understand the embolded phrase below. I'm unschooled at physics and photography. Starburst and Sunstar Effects Starbursts, also called sunstars, are beautiful elements that you’ll find in ...
0
votes
0answers
60 views

Does this effect around the sun have a name ? How do i get that effect? [duplicate]

What is this effect called? Where there are lines of light rays emanating from the center ? How do i get that effect? Does it need some kind of special lens or filter to get ? Or does it require post ...
67
votes
7answers
22k views

What is a “diffraction limit”?

I've seen the term used, but what is a "diffraction limit", when should I worry about it, and what undesirable effects are a result of it ?
31
votes
3answers
8k views

What does a hexagonal sun tell us about the camera lens/sensor?

In this picture, we see that the sun comes out as a hexagon. I am sure it is not arbitrary. What does the hexagon tell us about the instrument that captured the image?
9
votes
5answers
47k views

What causes these streaked rays from light sources?

I recently bought an LG G4, whose camera can shoot in an auto and both manual mode (I can manually set the iso, aperture). I shoot 100% of the time in auto. It takes better than average photos at ...
8
votes
4answers
4k views

How to get “rays” in night photos?

In this night picture, the lamp has characteristic "rays". How is it possible to get similar effect? Is it related to aperture, or shutter speed, or lens type?
7
votes
2answers
3k views

How to control “starbursts” around light sources?

How can you control the size of "starbursts" from light sources in photographs? For example, the lights on the shore in this photo have very sharp and long starbusts: http://www.flickr.com/photos/...
7
votes
3answers
2k views

How many blades does my lens' aperture diaphragm have when I get 12-pointed starbursts?

Here I figured that my camera has either three or six blades. But yesterday I took another shot at night with the same setup which has twelve srokes: The camera is a Canon 550D and I used the same ...
10
votes
3answers
4k views

What causes lens flare along specific axes?

When photographing bright objects, what causes lens flare along specific axes? First two images captured from Reds Rhetoric & Vincent Jones's video, last from SpaceX's feed. In reflecting ...
2
votes
3answers
2k views

how to take sun photo in afternoon?

Capturing sun photo is very hard as it is very bright(3PM). I used below settings on my nikon3300 but still i'm not able to capture the sun photo. Aperture:32 ,ISO:100, stutter speed :4000 My ...
6
votes
1answer
1k views

Is camera damage causing these severe diagonal lines from concentrated light sources?

Since a week or so, I have severe diagonal stripes around light-sources in my night-time photographs on my Canon Powershot A650. In the past, I had some (I guess due to Fraunhofer diffraction, see ...
2
votes
3answers
298 views

Are the colors in these pictures from retouching or color correction?

I was wondering the way of getting this kind of effect (colors): http://www.flickr.com/photos/malinthepix/5729985347/in/photostream http://www.flickr.com/photos/malinthepix/5384563043/in/photostream ...