### 5.2. Apply Lens

#### 5.2.1. Overview

Figure 17.56. The same image, before and after applying lens effect.

Original image

Filter applied

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

#### 5.2.2. Activating the Filter

This filter is found in the main menu under Filters → Distorts → Apply Lens….

#### 5.2.3. Options

Figure 17.57. “Apply Lens” filter options

Presets, “Input Type”, Clipping, Blending Options, Preview, Merge filter, Split view

  | Note
  These options are described in Section 2, “Common Features”.

Lens refraction index

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

Keep original surroundings

  The lens seems to be put on the active layer.

Background color

  The part of the active layer outside the lens will have the background color selected in the toolbox.

  You can select the color:

  - Click on the color button to open the color selector dialog.

  - Click on the eye-drop button on the right to pick color from the image.

5. Distort Filters |  | 5.3. Emboss

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