Questions tagged “lens specs”

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

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Why would a manual-focus lens be listed as having a focus motor?

autofocuslensesmanual-focuslens-specs

Photography Stack Exchange contributor

10y ago

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185

Why can EXIF show 302mm on a 70–300mm lens?

exiflens-specsfocal-lengthzoom-lens

Photography Stack Exchange contributor

10y ago

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263

How can I find the filter thread size on a Sigma lens?

sigmalensesfiltersaccessorieslens-specs

Photography Stack Exchange contributor

12y ago

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195

What do 6.1–30.5mm, 1:1.8–2.8, and 5x zoom mean on the Canon PowerShot G15 lens?

powershot-g15canonaperturelens-specsfocal-length

Photography Stack Exchange contributor

12y ago

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282

What does a variable aperture like f/3.5-6.3 mean on an 18-270mm lens?

aperturef-numberlens-specszoom-lens

Photography Stack Exchange contributor

12y ago

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183

What does a lens spec like “maximum aperture f/2.0–f/5.9” mean on a compact camera?

canonaperturecompact-cameraslens-specszoom-lenses

Photography Stack Exchange contributor

12y ago

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177

How do I read lens specs like “AF Nikkor 24-50mm 1:3.3-4.5” ?

nikonlensesaperturelens-specszoom-lenses

Photography Stack Exchange contributor

13y ago

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230

Why does my Nikon 10-30mm lens say f/3.5-5.6, while the specs list a minimum aperture of f/16?

f-stopaperturenikon-1lens-specszoom-lens

Photography Stack Exchange contributor

14y ago

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109

What does a lens spec like "distortion <12~1%" mean?

lens-distortionmtf-chartopticsvari-focallens-specs

Photography Stack Exchange contributor

15y ago

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330

How is minimum focus distance measured on Nikon macro lenses?

nikonmacrominimum-focus-distanceworking-distancelens-specs

Photography Stack Exchange contributor

15y ago

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373

What do the letters and numbers in lens names mean across Canon, Nikon, Sigma, and other brands?

sigmanikoncanonlenseslens-specs

Photography Stack Exchange contributor

16y ago