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Joel Mateo

Terminology Confusion

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I see a lot of new cameras on the market with some interesting features, but getting real definitions and answers is difficult at best. When I see a 3x Varifocal Sync Focus (Pan Focus) Lens Dome Camera with RS-485, my guess is that it has a 3X-Zoom that would be adjustable via RS-485, other than that, I get a little confused with the "Varifocal Sync Focus (Pan Focus) " which appears to be all one term. Does anyone have a good definition of these terms?

 

Thanks

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"Varifocal Sync Focus" basically means it acts like a true zoom lens in that once the focus has initially been set, the lens can be zoomed in and out without requiring re-focusing.

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I would guess from that description, that the zoom is NOT remote-controllable, either... but hard to say for sure without at least a make and model number to look up.

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