Questions tagged “circle of confusion”

Ask the Unique Photo creator community — gear, technique, post-processing and more.

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214

Does sensor or format size affect depth of field, or only the image formed by the lens?

depth-of-field circle-of-confusion optics depth-of-focus sensor-size

Oldhouse

2y ago

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229

How do you choose circle of confusion for depth of field on a 16K line-scan camera?

depth-of-field industrial-imaging line-scan-camera circle-of-confusion optics

Photography Stack Exchange contributor

2y ago

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292

Why does machine-vision circle of confusion use pixel pitch or Airy disk, while photographic DoF CoC usually does not?

depth-of-field pixel-pitch machine-vision diffraction circle-of-confusion

Photography Stack Exchange contributor

3y ago

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241

Why don’t 25mm at f/4 and 100mm at f/16 give the same depth of field at the same subject distance?

depth-of-field aperture circle-of-confusion optics focal-length

Photography Stack Exchange contributor

3y ago

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223

How should depth of field be calculated for a custom 50mm microscopy optic, and why would near DOF exceed far DOF?

depth-of-field lens-design microscopy circle-of-confusion optics

Photography Stack Exchange contributor

3y ago

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209

Why do depth-of-field calculators change with sensor size, teleconverters, and focal reducers?

depth-of-field focal-reducer circle-of-confusion teleconverter sensor-size

Photography Stack Exchange contributor

4y ago

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179

How is the d/1500 circle of confusion rule derived, and how can I adjust it for different print sizes or viewing distances?

depth-of-field printing full-frame circle-of-confusion optics

Photography Stack Exchange contributor

5y ago

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160

What circle of confusion should I use if my full-frame photos will only be viewed on a smartphone?

depth-of-field image-display smartphone-viewing full-frame circle-of-confusion

Photography Stack Exchange contributor

5y ago

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268

How do you calculate depth-of-field and bokeh equivalence between medium format and full frame?

depth-of-field full-frame circle-of-confusion equivalence medium-format

Photography Stack Exchange contributor

6y ago

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284

Is the traditional hyperfocal distance calculation outdated for high-resolution digital cameras?

depth-of-field hyperfocal-distance full-frame circle-of-confusion sharpness

Photography Stack Exchange contributor

6y ago

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156

What circle of confusion and depth of field values should I use for a full-frame portrait intended for 8x10 prints?

depth-of-field aperture portrait full-frame circle-of-confusion

Photography Stack Exchange contributor

7y ago

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355

Does circle of confusion depend on megapixels or sensor size?

depth-of-field full-frame circle-of-confusion optics sensor-size

Photography Stack Exchange contributor

8y ago

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322

How does blur circle size change with defocus in macro photography?

depth-of-field macro lenses circle-of-confusion optics

Photography Stack Exchange contributor

8y ago

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203

Should hyperfocal distance change when shooting HD video or downsizing photos to 1080p?

depth-of-field hyperfocal-distance video circle-of-confusion canon-eos-600d

Photography Stack Exchange contributor

9y ago

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208

Why do viewing size and distance change the perceived depth of field?

depth-of-field viewing-distance printing circle-of-confusion focus

Photography Stack Exchange contributor

9y ago

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236

Does sensor pixel size affect depth of field or the circle of confusion?

depth-of-field pixel-pitch circle-of-confusion optics sensor-size

Photography Stack Exchange contributor

11y ago

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211

Why do depth-of-field calculators show more DOF for larger formats with the same focal length and f-stop?

large-format depth-of-field lenses circle-of-confusion sensor-size

Photography Stack Exchange contributor

12y ago

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360

Can you estimate sensor size in millimeters from EXIF focal plane resolution?

depth-of-field metadata circle-of-confusion exif sensor-size

Photography Stack Exchange contributor

13y ago

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186

For digital cameras, is circle of confusion based on one pixel, two pixels, or something else?

depth-of-field full-frame circle-of-confusion digital-sensors sharpness

Photography Stack Exchange contributor

13y ago

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165

Why would you use a 0.007mm circle of confusion on a Canon 5D Mark II?

depth-of-field printing canon-5d-mark-ii full-frame circle-of-confusion

Photography Stack Exchange contributor

13y ago

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