Cavision Industrial Series 3 Element 0.6x Zoom-through Converter Lens for Lenses with 72mm Filter Thread

• This Cavision Industrial Series 3-Element 0.6x Zoom-through Converter for lenses with a 72mm front filter thread provides a 40% wider angle of view. Its large zoom-through range is ideal for cameras with longer lenses such as the Sony PD150/170 and Canon XL series. It features a universal design for use with a variety of different lenses.

What is the differences between Wide Angle Adapters and Wide Angle Converters?
• Fixed focal adapters lose focus when the focal length on the camera lens is changed (i.e. zooming). For this reason the adapter is not recommended when live zooms are necessary.
• When using an adapter, the normal focusing operation does not function. It is necessary to use the macro focus control instead. For mini-DV cameras that do not have a macro focus control, the lens will typically retain focus from the widest angle to approximately 1/4 of the zoom range.
• With zoom-through converters, normal lens operation is not affected. Focus operations will work the same as before and focus will not be affected when the focal length is changed (i.e. zooming).