T troutcatcher n3wb Mar 15, 2023 1 0 Connecticut Mar 15, 2023 #1 How do the PTZ cameras maintain such crisp focus while zooming? They don't use parfocal lens right? So are they continuously updating the focus motor as they zoom?
How do the PTZ cameras maintain such crisp focus while zooming? They don't use parfocal lens right? So are they continuously updating the focus motor as they zoom?
