Sony LKRL-Z511 lens in excellent condition for sale. 1.05x - 1.75x Zoom Lens Optional zoom lens for use with the SXRD 4K projector 1.05x to 1.75x zoom lens with memory feedback. This lens uses a feedback circuit that reports focus and zoom position to the projector. This allows the operator to preset and recall different lens settings from the projector function memories. This offers instant and automated screen sizing for video formats using different aspect ratios.