Questions tagged “aperture”

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

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answers

350

How do you measure the true f-number of a lens when the aperture is behind lens elements?

f-stop leaf-shutter lenses aperture optics

Peter M

1mo ago

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answers

233

Why can two 85mm lenses give different background blur, and what actually affects perspective “compression”?

perspective lenses aperture bokeh focal-length

Anushka_Grace Chattopadhyay

1y ago

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answers

400

Why are my f/11 and f/22 shots softer than f/5.6 on Micro Four Thirds, and how can I keep more depth without blur?

depth-of-field diffraction aperture micro-four-thirds sharpness

Sai Deepak

1y ago

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answers

420

Sensor cleaned, but dust spots still show at f/22 — does it need another cleaning?

sensor-cleaning aperture camera-maintenance dust-spots image-artifacts

KevinL337

1y ago

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answers

258

Useful depth-of-field rules of thumb and their limits

depth-of-field aperture photography-basics hyperfocal focal-length

Tom Axford

1y ago

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answers

494

Why can depth of field stay the same while background blur looks stronger with a longer focal length?

depth-of-field background-blur composition aperture focal-length

matej

1y ago

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answers

182

Nikon D610 lens got stuck, and now other lenses are black or erroring

lens-mount nikon camera-repair aperture d610

Ashley

1y ago

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answers

344

Why is my Nikon D5300 viewfinder and Live View image suddenly very dark?

nikon nikon-d5300 aperture lens-problem exposure

damix911

1y ago

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answers

249

Why can’t a variable-aperture zoom like 18-140mm open wider at the short end?

nikon lenses aperture f-number zoom-lens

Saurav Majumder

2y ago

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answers

317

Why does my Copal #0 shutter go past the minimum f-stop marking?

large-format aperture fujifilm-gx617 copal-shutter medium-format

Peter M

2y ago

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answers

298

Does crop factor change a lens’s maximum aperture on APS-C?

depth-of-field aperture full-frame crop-factor aps-c

ozymandias1324

2y ago

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answers

240

Why does my Sony/Zeiss 24-70mm look blurrier at f/4 than at f/22?

sony lenses aperture zeiss sharpness

devlopp

2y ago

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answers

310

Canon AE-1 Program aperture only stops down to f/4 during depth-of-field preview

fd-mount canon aperture canon-ae-1-program dof-preview

jc22920

2y ago

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answers

254

What are the intermediate aperture settings on the Fuji GW690 III lens?

aperture fuji film-camera medium-format exposure

user151841

2y ago

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answers

236

Why does my Rokinon 135mm on a Nikon D5000 stop down incorrectly and stay around f/5.6?

lens-mount nikon rokinon camera-repair aperture

Photography Stack Exchange contributor

2y ago

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answers

659

What is optical vignetting, and why does stopping down reduce it?

lens-design aperture bokeh vignetting optics

Photography Stack Exchange contributor

2y ago

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answers

234

Why don’t landscape photographers always use very small apertures like f/22 or f/32?

depth-of-field diffraction aperture landscape hyperfocal

Photography Stack Exchange contributor

2y ago

votes

answers

243

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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answers

335

Why does my Nikon D7200 show f/0 and not let me change the aperture?

nikon lens-compatibility aperture troubleshooting d7200

Photography Stack Exchange contributor

3y ago

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answers

315

Nikon 1 30-110 aperture stays nearly closed wide open — common gear failure?

aperture nikon-1 nikon-aw1 lens-repair zoom-lens

Photography Stack Exchange contributor

3y ago

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