Questions tagged “image noise”

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

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192

Why can images look sharper at lower ISO settings?

noise-reduction iso phone-photography sharpness image-noise

Jim

4mo ago

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546

What’s the difference between Dual Native ISO and Dual Conversion Gain?

sensor-technology iso dual-native-iso image-noise dual-conversion-gain

Landon Ham

1y ago

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113

Are the dots around Saturn stars or just noise in a single heavily edited shot?

night-photography post-processing saturn astrophotography image-noise

madhur3u

1y ago

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Is visible noise at 100% likely to get a photo rejected by Getty Images?

stock-photography post-processing photo-submission getty-images image-noise

Photography Stack Exchange contributor

2y ago

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115

How does image noise affect which details the human eye can still recognize?

human-vision signal-to-noise denoising image-noise image-quality

Photography Stack Exchange contributor

4y ago

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113

Is image SNR determined per pixel or by total photons collected?

shot-noise pixel-size sensor-size image-noise snr

Photography Stack Exchange contributor

4y ago

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106

Why does the background look grainy at ISO 1600, and how can I reduce it?

sony-a6000 iso telephoto image-noise exposure

Photography Stack Exchange contributor

5y ago

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Does manual ISO produce less noise than Auto ISO?

auto-iso iso aperture-priority image-noise exposure

Photography Stack Exchange contributor

5y ago

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103

Why do my untracked astro images look washed out after many 15–20s exposures?

nikon-d5600 long-exposure astrophotography stacking image-noise

Photography Stack Exchange contributor

5y ago

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183

Why do RAW photos look noisier than JPEGs?

post-processing noise-reduction jpeg raw image-noise

Photography Stack Exchange contributor

5y ago

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172

Why do horizontal noise lines appear in low-light webcam images?

webcam low-light iso banding image-noise

Photography Stack Exchange contributor

5y ago

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105

Why does my night-sky JPEG show uneven color patches and strange background blotches?

light-pollution night-photography jpeg astrophotography image-noise

Photography Stack Exchange contributor

6y ago

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How can I reduce red noise in deep-sky galaxy photos?

canon deep-sky astrophotography stacking image-noise

Photography Stack Exchange contributor

6y ago

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167

Why can a lower-resolution image have a larger file size than a higher-resolution one?

resolution image-compression jpeg file-size image-noise

Photography Stack Exchange contributor

6y ago

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Why does the sky look noisy and the distant hill soft in my Nikon D600 landscape photo?

post-processing landscape nikon-d600 focus image-noise

Photography Stack Exchange contributor

6y ago

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131

Why do red, blue, or white pixels appear in long-exposure photos?

sensor long-exposure canon-eos-600d hot-pixels image-noise

Photography Stack Exchange contributor

7y ago

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143

Why don’t cameras designed for low-light use even larger sensors than full frame?

high-iso low-light full-frame sensor-size image-noise

Photography Stack Exchange contributor

7y ago

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Do non-photographers notice image noise, or is it mainly photographers who care?

viewing-perception camera-upgrade sensor-performance image-noise image-quality

Photography Stack Exchange contributor

7y ago

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137

Are the colored specks in my night-sky footage stars or sensor noise?

night-photography blackmagic astrophotography raw-video image-noise

Photography Stack Exchange contributor

7y ago

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Why do my Canon 200D photos look noisy with the EF 24mm f/2 lens?

canon 24mm canon-200d beginner image-noise

Photography Stack Exchange contributor

7y ago

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