# Node Inputs & Outputs

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<figure><img src="https://www.videocopilot.net/assets/public/ckfinder/userfiles/images/ofnuke/3dlensflares.png" alt=""><figcaption></figcaption></figure>

## Scene

Allows you to plug in a Scene node with a camera to parse and track the 3D lights automatically

## Matte

Controls the obscuration matte to blink out lens flare behind objects. Works with a depth input as well (if 3D occlusion is enabled)

## Background

Set background image for use with previewing Flares from the Lens Flare editor options.

## Camera (side arrow)

Optional camera input for 3D lens flares