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D Lux 5 depth of field


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Hi there,

 

I have a D Lux 5, great camera and I love it. My observation thus far is, when I do closeup shots and I want the background out of focus or dull, I set the it at aperture priority at F2 and focus on the subject. The result I get is that the subject and background are pretty much in focus equally. I've tried it several times and I can't separate the foreground from the background. Is there a particular setting on DL5 to achieve this?

 

Thanks

 

Rey

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That's interesting, because I have achieved surprisingly decent bokeh (within the limits of the camera) with the LX5 version set to aperture priority and f/2 using 24mm FL.

Rich

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Because of the size of the sensor and the real focal length of the lens, not the 35mm equivalent, you are going to get a greater DOF then any larger sensor camera. It's just the physics of small sensor cameras.

 

With small sensor cameras you subject has to be farther away from the background for the background to OOF.

 

Best to use longer focal lengths at the lowest aperture with the subject away from any background scene.

 

No way to get the same 35mm bokeh with a P&S.

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Another way is to get very close to your subject. At 24 mm the DL5 will focus down to about 1 cm (half an inch) in Macro focus mode and the closer you get the more out of focus your background will be with the aperture wide open.

 

Pete.

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Rey, just to put numbers to the matter:

 

The D-Lux 5 has a 5.1mm f/2 lens, of course. Because of the small sensor size, that lens has the same field of view as a 24mm lens on a full-frame camera.

 

If you multiply the aperture by the same crop factor ( 24 / 5.1), you'll see that the depth of field of the lens wide open is the same as the depth of field of a 24mm lens at f/9.4 on full-frame.

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Howard, your numbers are far too sobering! ;) nothing like numbers o flesh out the truth.

 

I have found, along the lines of Pete's suggestion, that if you have a willing subject, zoom out, get close in and leave some space behind the subject, you can throw the background into a bit of a soft blur.

 

David

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  • 2 weeks later...

The smaller your subject is and getting as close as possible will allow more "circles of confusion" to hit the sensor. This was taken with a D-Lux 4. If people were only that small...

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