Questions tagged “varifocal”

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

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195

What do the zoom and focus numbers mean on a Dahua varifocal camera?

varifocalsecurity-cameradahuafocuszoom

Photography Stack Exchange contributor

7y ago

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180

Does a zoom lens distance scale mean the lens is parfocal?

distance-scalevarifocalparfocalfocuszoom-lenses

Photography Stack Exchange contributor

9y ago

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270

How can I tell whether a zoom lens is parfocal, and are these Canon and Sigma zooms parfocal?

videovarifocallensesparfocalzoom-lenses

Photography Stack Exchange contributor

13y ago

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270

What is a parfocal lens, and when does it matter in photography?

videovarifocallensesparfocalzoom-lenses

Photography Stack Exchange contributor

15y ago