Canon EF 17-40mm f4L USM Lens A common problem with mic

A common problem with mic converters is the higher noise floor where electrical noise is generated in the preamplifiers

Life-size 1:1 maximum magnification pairs with a 10

3G-SDI and HDMI Inputs

An 82mm filter thread enables you to attach filters of your choosing to further customize the light quality and effects of the lens

Canon EF 17-40mm f4L USM Lens A common problem with micCanon EF 17 40mm f4L USM Lens Key Features EF Mount Lens Full Frame Format Aperture Range: f 4 to f 22 One Super Ultra Low Dispersion Element Three Aspherical Element Super Spectra Coating Ring Type Ultrasonic Motor AF System Weather Sealed Construction Rounded 7 Blade Diaphragm Spanning a versatile wide angle Range, the EF 17 40mm f4L USM Lens is a Canon L series zoom featuring a constant f4 maximum aperture along with a sophisticated optical design