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Discussion Board -> Photography -> Bokeh?
Bokeh?
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Im not sure I'm any the wiser on that one...
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"Some mornings, it's just not worth chewing through the leather straps"
Thanks, that helped a lot. Should I be considering bokeh when purchasing a lens? Is it really something that the manufacterer can control?
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-those who hit rock bottom are too concerned with self pity to realize that they are lying on an anvil-
Psalm 66:10, Job 10:8
I'd doubt it's something they'd advertise to be honest...
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"Some mornings, it's just not worth chewing through the leather straps"
I wouldn't think so, yet the doesn't mean that it isn't something to watch for. I read an indepth comparison between Canon's 50mm f/1.8 and their 50mm f/1.4, and it included things about bokeh. The only trouble is that it seems to be mostly personal opinion.
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-those who hit rock bottom are too concerned with self pity to realize that they are lying on an anvil-
Psalm 66:10, Job 10:8
No, they never advertise the quality of their different lenses. You have to go to different sites to find the user feedback for a particular lens. I wouldn't worry too much about bokeh...sharpness, contrast and color would be more important.
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Darryl
Read these:
http://www.photo.net/mjohnston/column49/
http://www.photo.net/equipment/canon/ef50/
http://www.photo.net/mjohnston/column49/
http://www.photo.net/equipment/canon/ef50/
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i think they're refering to the quality of the bokeh if its subjective.
the amount of bokeh is what people really notice and that is a simple function of the apperature size/focal distance where aperature size is found by the lens length/f-stop. given that, a 200mm f/2.8 focused at the same distance as a 50mm f/4 lens would give the background around 8 times the blurriness.
the shape of the blurs created by a focused point in the background is determined by the shape of the aperature. on good quality lenses this will be circular at max aperature, but once it is stoped down it becomes a polygon with as many sides as your aperature has blades, hence a good quality lens with 9 blades will give smoother bokeh than a cheaper lens with only 5 blades.
the amount of bokeh is what people really notice and that is a simple function of the apperature size/focal distance where aperature size is found by the lens length/f-stop. given that, a 200mm f/2.8 focused at the same distance as a 50mm f/4 lens would give the background around 8 times the blurriness.
the shape of the blurs created by a focused point in the background is determined by the shape of the aperature. on good quality lenses this will be circular at max aperature, but once it is stoped down it becomes a polygon with as many sides as your aperature has blades, hence a good quality lens with 9 blades will give smoother bokeh than a cheaper lens with only 5 blades.
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The heavens declare the glory of God, the skies proclaim the work of His hands.
Question re: Bokeh
I've noticed my bokeh shots are much less favored by the voters. Maybe there should be a separate photo group for these narrow DOF shots.
I wondered if anyone else had found this to be true? There seems to be a lack of understanding with comments like "too bad the background is out of focus"
Just venting.
I've noticed my bokeh shots are much less favored by the voters. Maybe there should be a separate photo group for these narrow DOF shots.
I wondered if anyone else had found this to be true? There seems to be a lack of understanding with comments like "too bad the background is out of focus"
Just venting.
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"I wondered if anyone else had found this to be true?"
Oh, yes. Definitely.
Oh, yes. Definitely.
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“A photograph is a secret about a secret.
The more it tells you the less you know.”
Diane Arbus
No argument here, but the shots I have in which the bokeh is really extreme like this one here got some of the best reviews of all my work. I'm probably wrong about this, but a merely blurry background isn't all I go for when creating a good bokeh. I try to find a background that will blur out correctly for the image I'm shooting. If all I'm after is to isolate my foreground, then a blurry monotone background is perfect, but for art shots I want a busy background that will blur out well and give those neat patterns in the blur-out.
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ж Regmar ж
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-Pierre-
If you want Canon equipment reviews that talk about the Bokeh a lens gives, and gives examples: www.the-digital-picture.com
very good reviews there
very good reviews there
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"Feed them to the Sharkticons!"
I have gotten a rough idea of what it is and why it matters from reading things pros said to other pros, but nobody was explaining it for the rest of us. Lets start from a clean slate.