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What is Frischluft Lenscare?

**How to Use Frischluft Lenscare for After Effects to Create Realistic Camera Blurs**

Frischluft Lenscare is a plugin for After Effects that allows you to create realistic camera blurs with the flexibility of 2D post-processing. It can save you a lot of time and hassle compared to using 3D rendering or other blur filters. In this article, we will show you how to use Frischluft Lenscare for After Effects to create stunning depth of field and out of focus effects.

What is Frischluft Lenscare?

Frischluft Lenscare is a plugin that consists of two main filters: Depth of Field and Out of Focus. Both filters use physically-based algorithms to blur pixels based on their depth value, simulating the way real optical devices work. They also offer the possibility to alter the lens aperture shape, add highlights, and distort the background for more realism and style.

Depth of Field

Depth of field (DOF) is the effect of having only a certain range of distances in focus, while everything else is blurred. It is heavily used in photography and film as a way to draw attention to the subject, create a sense of depth, or convey a mood. In computer graphics, DOF is usually generated using ray tracing techniques, which increase rendering times considerably.

With Frischluft Lenscare, you can generate DOF effects fast as a post process. All you need is a depth buffer for your scene, which you can render from your 3D application or generate with other plugins. Frischluft Lenscare will use the depth buffer to calculate the blur amount for each pixel, creating a realistic and smooth DOF effect.

Out of Focus

Out of Focus is a fast version that works without depth information. It creates a blur with constant radius over the complete image, which can be useful for creating motion blur, dreamy effects, or simulating low-quality lenses. It also offers some extra functionality, such as using a custom drawn lens, adding background distortion for semi-transparent areas, or boosting bright parts.

How to Use Frischluft Lenscare for After Effects

To use Frischluft Lenscare for After Effects, you need to install the plugin first. You can download it from the official website[^1^] or from other sources[^5^] [^7^]. However, we do not recommend using cracked versions[^7^], as they may contain viruses or malware that can harm your computer or compromise your data.

Once you have installed the plugin, you can find it under the Effect menu in After Effects. To apply it to your footage, follow these steps:

Step 1: Prepare your footage

Before applying Frischluft Lenscare, you need to prepare your footage by rendering or generating a depth buffer. A depth buffer is an image that stores the distance of each pixel from the camera. The closer the pixel is to the camera, the darker it is; the farther it is, the brighter it is.

You can render a depth buffer from your 3D application by enabling Z-depth output or using a specific shader. Alternatively, you can generate a depth buffer in After Effects using plugins like Element 3D, Trapcode Particular, or Buena Depth Cue.

Make sure that your depth buffer has the same resolution and aspect ratio as your footage, and that it matches the camera settings and position. You can use adjustment layers or effects like Levels or Curves to fine-tune your depth buffer if needed.

Step 2: Apply Frischluft Lenscare

Once you have your footage and depth buffer ready, you can apply Frischluft Lenscare to your footage layer. Depending on what effect you want to achieve, you can choose between Depth of Field or Out of Focus.

After applying the filter, you will see a preview window where you can adjust the parameters and see the result. You can also use the eyedropper tool to pick a focus point from your footage.