The Sigma T1.5 FF High-Speed 5 Fully Luminous Prime Lens Kit includes five fast prime lenses of 20, 24, 35, 50, and 85mm. All these lenses are manufactured for Canon EF-mount cinema cameras. They have independent control rings for focus and iris. The integrated dampeners at the endpoint suppress the unwanted metallic noise when the rings are turned till the end. Also, the clickless iris ring supports video recording. Each lens sports a 9-blade diaphragm that opens up to T1.5 for producing smooth bokeh quality. The aperture also contributes to low-light shooting. Use the 0.8 module gear pitch to add a follow focus unit the rig. You may fix matte boxes or lens motors to the 95mm front diameter. The metal body of the lens is resistant to dust and moisture to ensure durability. A carry case is provided with the lens kit for its convenient transportation. The case has soft foam inlays that hold the lenses in place, while the padlock inserts offer additional safety.