Questions tagged “lens aberrations”

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

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304

Why do stars in my tracked astrophotos have a small 'tail' or comet shape?

coma lens-aberrations astrophotography canon-70d star-tracker

Neppomuk

6mo ago

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348

What causes a doubled edge on an out-of-focus subject near the frame edge?

sigma depth-of-field lens-aberrations bokeh nikon-z

noearchimede

1y ago

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147

Does chromatic aberration get worse as subject distance increases?

lenses lens-aberrations optics chromatic-aberration

Photography Stack Exchange contributor

5y ago

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232

Why do stars and distant lights look like teardrops at 300mm f/5.6 on my Canon 70-300mm?

canon lens-aberrations telephoto-lens astrophotography focus

Photography Stack Exchange contributor

5y ago

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201

What causes bokeh circles with a dark inner ring and bright center?

telephoto-zoom fujifilm lens-aberrations bokeh lens-defects

Photography Stack Exchange contributor

6y ago

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289

Does lens vignetting increase depth of field or cause corner-specific focus effects?

depth-of-field lens-aberrations vignetting optics field-curvature

Photography Stack Exchange contributor

7y ago

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198

Why do out-of-focus highlights look doubled in shallow depth-of-field photos?

depth-of-field lens-aberrations bokeh optics canon-eos-600d

Photography Stack Exchange contributor

7y ago

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239

Why won’t Lightroom remove the purple fringe in my photo?

lens-aberrations post-processing lightroom purple-fringing chromatic-aberration

Photography Stack Exchange contributor

7y ago

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195

Can you tell from a blurred photo whether focus was in front of or behind the subject?

depth-of-field lens-aberrations bokeh focus manual-focus

Photography Stack Exchange contributor

7y ago

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365

What is lens astigmatism, and how does it show up in photos?

astigmatism lens-aberrations optics image-quality

Photography Stack Exchange contributor

7y ago

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240

Why do out-of-focus highlights look stretched outward with a wide-angle prime lens?

lens-aberrations bokeh prime-lens wide-angle optics

Photography Stack Exchange contributor

7y ago

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212

Why does focus fall off near the top and bottom of a frame?

lens-aberrations field-curvature cinema-lenses edge-sharpness

Photography Stack Exchange contributor

9y ago

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224

Why do bright LED points appear to spread light into the dark areas between them?

lens-aberrations night-photography optics led flare

Photography Stack Exchange contributor

9y ago

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158

Are coma, flare, and misshapen stars normal for a Samyang 24mm f/1.4 at f/1.4?

samyang 24mm lens-aberrations night-photography astrophotography

Photography Stack Exchange contributor

9y ago

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162

What causes blue and red fringes around black areas in my test photos?

lens-aberrations nikon-d7000 sharpness prime-lenses chromatic-aberration

Photography Stack Exchange contributor

10y ago

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173

What focus-chart results suggest a lens element is de-centered or out of spacing?

focus-testing lens-aberrations vintage-lenses lens-repair pentax

Photography Stack Exchange contributor

12y ago

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150

What causes glittery or textured bokeh from light passing through glass or other scattering objects?

depth-of-field lens-aberrations bokeh highlights optics

Photography Stack Exchange contributor

12y ago

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125

Why can Sony A7 photos show “banded” or double-line bokeh with fast lenses?

adapted-lenses lens-aberrations bokeh sony-a7 vintage-lenses

Photography Stack Exchange contributor

12y ago

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652

Why does this lens produce oval, swirly bokeh toward the edges of the frame?

lenses lens-aberrations bokeh film-photography medium-format

Photography Stack Exchange contributor

12y ago

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195

Why do stars show different aberrations on the left and right sides of my image?

coma lens-aberrations wide-angle astrophotography manual-focus

Photography Stack Exchange contributor

13y ago

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