Questions tagged [bokeh]
Bokeh describes the visual quality of the out-of-focus areas of a photograph.
136
questions
5
votes
2
answers
2k
views
What can cause double-vision effect in slightly out of focus areas?
I have an issue with my Canon 70-200 F/4L USM. It is less sharp at 200mm than at shorter range and the objects that are slightly out of focus are rendered twice with horizontal offset. The shutter ...
6
votes
2
answers
269
views
Bokeh includes seemingly random fractions of a circle
While going through some pictures I noticed strange artifacts in the out-of-focus sunlight reflected on the surface of a lake. Most of the reflections appear as a full circle, but I marked the ...
3
votes
2
answers
204
views
This photo has light dot bokeh in front of the subject, seemingly coming from the sun. How was this done, or how can the effect be achieved?
Credit:
https://www.instagram.com/p/CONgtDuFozh/
ins: iwakurashiori
This photo has light dot bokeh in front of the subject, seemingly coming from the sun. How was this done, or how can the effect be ...
1
vote
2
answers
206
views
Prime lens is over-exposed fully open, when in full daylight
I bought a Lumix f/1.7 25mm prime (H-H025), to use with my OM-D E10.3
When fully open on a bright sunny day, with the ISO set to 200 my shutter speed flashes at 4000 to indicate it's out of range. If ...
1
vote
1
answer
183
views
What causes the frosted glass effect of out-of-focus areas?
I expect that the out-of-focus areas would look like smooth gaussian blur ideally. But I found that they look like looking through frosted glass. Colors around the edges are blending with a grainy ...
1
vote
1
answer
435
views
Help me find a lens with peculiar bokeh
I want to take portrait pictures with an artistic look of flowers. Therefore Im looking for an vintage lens with peculiar bokeh. I have seen some images taken with older lenses with very ...
1
vote
1
answer
1k
views
Which lens should i choose for bokeh while video streaming?
I don't understand this lens topic. I watched so many videos and now i have more questions. I have a Canon M200 for streaming. I want nice bokeh effect for my background and silence auto focus. ...
3
votes
2
answers
763
views
What is the bokeh difference between 1/2.3" f/0.95 cell phone and 1" f/1.8 compact camera?
I am thinking of buying a Sony RX100 (mark i). The thing is, I am gonna use it for pet, flower photography, and I really like the f/0.95 lens on my cell phone camera. It produces creamy bokeh with 1/...
1
vote
2
answers
250
views
Cause of bokeh with dark ring and bright center
This is a detail from a photo that I took with a Fujifilm XF55-200mm lens. The lens was zoomed all the way to 200mm, and the aperture was wide open—f4.8.
I wonder whether somebody knows the cause of ...
1
vote
3
answers
982
views
Calculating the "35mm equivalent" circle of confusion/DoF
I'm gonna introduce my concrete example, but I'd like to know how do do this calculation in general. Say I have a middle-format camera with film height 58mm and a 90mm/3.5 lens. What is the equivalent ...
7
votes
1
answer
2k
views
Why does electronic first curtain shutter affect rendering of blurred backgrounds?
Many recent cameras allow using electronic first curtain shutter with mechanical second curtain, avoiding the huge rolling shutter drawbacks of fully electronic shutter and at the same time avoiding ...
3
votes
5
answers
3k
views
Do you get more bokeh on a APSC sensor with a full frame 50mm f/1.8 lens or a APSC 30mm f/1.4?
I am trying to compose a detail shot where I want to get as much background blur as possible. I am using Sony a6500 camera (APSC 1.5x crop factor body). I am considering two lenses:
Sigma 30mm f/1.4 (...
0
votes
1
answer
181
views
What is behind this symmetric coma like effect, and literally odd-ball bokeh, in a triplet lens?
The example picture, shot with a vintage triplet (Staeble Kata 45mm/f2.8, wide open, on APS-C, no further crop), shows a curious shape of coma-like cross pattern in the right- and leftmost sculptures -...
8
votes
3
answers
467
views
What affects DOF more...distance to subject or focal length?
Say I want shoot a butterfly. My goal is to make sure the butterfly fills the frame. I can do this in two ways...I can use zoom or I can simply move the camera closer to the subject.
Which will ...
0
votes
3
answers
485
views
Is it beneficial to use full frame for blurred background?
I have often heard it said that to have a blurred background, it is beneficial to shoot full frame. However, is this really true?
The useful largest aperture is anyway limited by the amount of depth ...