7.10. Apply Lens
| 7. Light and Shadow Filters |

### 7.10. Apply Lens

Revision History
Revision $Revision: 2352 $ | 2006-11-28 | j.h

#### 7.10.1. Overview

Figure 16.97. The same image, before and after applying lens effect.

Original image

Filter “Apply lens” applied

After applying this filter, a part of the image is rendered as through a spherical lens.

#### 7.10.2. Activate the filter

You can find this filter in the image window menu through Filters → Light and Shadow → Apply Lens

#### 7.10.3. Options

Figure 16.98. “Apply Lens” filter options

Preview

  Parameter setting results are interactively displayed in preview. Scroll bars allow you to move around the image.

Parameter settings

  - Keep original surrounding: The lens seems to be put on the image.

  - Set surroundings to Background color: The part of the image outside the lens will have the Background color selected in Toolbox.

  - Make Surroundings Transparent: The part of the image outside the lens will be transparent.

  - Lens Refraction Index: Lens will be more or less convergent (1-100).

7.9. Xach-Effect |  | 7.11. Glass Tile