Questions tagged “focus”

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

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758

What is the thin-lens equation, and how is it useful in photography?

lenses optics photography-basics focus focal-length

Tom Axford

1y ago

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117

Why can a digitally zoomed video frame look sharper than a higher-resolution still photo?

canon-eos-r10 video focus digital-zoom image-quality

Hawking S

1y ago

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191

Why do stars show up as blue and yellow blobs in my Milky Way photo?

night-photography post-processing milky-way astrophotography focus

Sean Markus

1y ago

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681

How are object distance, image distance, and focal length related in a lens?

lenses image-formation optics focus focal-length

Bram

1y ago

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106

Why do my close-up photos show harsh double outlines in out-of-focus areas?

micro-four-thirds bokeh focus lens-characteristics close-up

Forgettmenott

1y ago

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103

Why won’t my budget “48MP” camera focus clearly on books?

document-photography compact-camera focus megapixels image-quality

Bob Smith

2y ago

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114

Why is my 70-300mm lens soft wide open at 280mm, but sharper stopped down?

nikon sharpness telephoto tamron focus

DiggingDeep

2y ago

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198

Are my blurry, foggy film photos caused by a light leak or by focus/exposure issues?

film-photography light-leak nikon-fg20 focus exposure

user116234

2y ago

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107

Why are my 35mm film photos blurry outdoors in very cold weather?

35mm-film rangefinder cold-weather focus motion-blur

Photography Stack Exchange contributor

2y ago

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Is depth of focus symmetrical, and is my depth-of-field diagram correct?

depth-of-field optics depth-of-focus focus thin-lens

Photography Stack Exchange contributor

2y ago

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101

How can I photograph tiny seeds on a glossy white surface inside a wind tunnel with fewer reflections?

scientific-photography reflections lighting macro focus

Photography Stack Exchange contributor

3y ago

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107

Why do astrophotographers use wide apertures if depth of field gets shallower?

depth-of-field aperture astrophotography focus infinity-focus

Photography Stack Exchange contributor

3y ago

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373

What does a lens’s focal length actually mean, and why isn’t it always the lens-to-sensor distance?

lenses optics focus camera-basics focal-length

Photography Stack Exchange contributor

3y ago

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111

Can a Pixel 6 make both a nearby subject and a distant background sharp in one photo?

focus-stacking depth-of-field focus pixel-6 smartphone-photography

Photography Stack Exchange contributor

3y ago

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Why do neon lights look more blown out in one photo than another?

neon-lights low-light focus dynamic-range exposure

Photography Stack Exchange contributor

3y ago

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199

Why do stars sometimes look like blobs or distorted shapes in photos?

atmospheric-seeing astrophotography focus stars image-quality

Photography Stack Exchange contributor

3y ago

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106

Why do moon photography guides often recommend f/8 to f/11 instead of shooting wide open?

depth-of-field aperture telephoto focus moon-photography

Photography Stack Exchange contributor

3y ago

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121

Why are my Shutterstock photos being rejected for focus, and how can I improve them?

canon-eos-1200d composition stock-photography sharpness focus

Photography Stack Exchange contributor

4y ago

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How can I get more of a car dashboard in focus when shooting interiors?

depth-of-field tilt-shift car-photography focus interiors

Photography Stack Exchange contributor

4y ago

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What creates the strong 3D look in this 1930 portrait, and how can I recreate it?

large-format depth-of-field perspective portrait-lighting focus

Photography Stack Exchange contributor

4y ago

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