> For the complete documentation index, see [llms.txt](https://docs.memorystring.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.memorystring.app/style-and-motion/lens-effects.md).

# Lens effects

All MemoryString lens effects with example clips: Anamorphic Streaks, Bokeh, Flare, Refract Bubbles and more.

Lens effects add optical light on the frame. **Studio** → **Style** → **Customize** → **Lens Effects**.

Checkboxes (A–Z order in the app):

**Anamorphic Streaks, Bokeh, Flare, Ghosting, Orbs, 50mm Prime, Pulse, Refract Bubbles, Sparkle, Starburst, Sweep, Veiling Glare, Vignette**

Plus **Randomize Selected** and **How often**. Clips below are real exports with that effect pinned.

### Anamorphic Streaks

Horizontal light bars across stage and card.

{% embed url="<https://www.codebyz.com/products/memory-string/catalog/lens-anamorphic-streaks.mp4>" %}

### Bokeh

Soft out-of-focus circles.

{% embed url="<https://www.codebyz.com/products/memory-string/catalog/lens-bokeh.mp4>" %}

### Flare

Hexagonal flare beam. It sits on the photo with the grain, including while you scrub, not only after you click a clip.

{% embed url="<https://www.codebyz.com/products/memory-string/catalog/lens-flare.mp4>" %}

### Ghosting

Chromatic ghost copies along the flare.

{% embed url="<https://www.codebyz.com/products/memory-string/catalog/lens-ghosting.mp4>" %}

### Orbs

Warm and cool discs drifting.

{% embed url="<https://www.codebyz.com/products/memory-string/catalog/lens-orbs.mp4>" %}

### 50mm Prime

Central glow with soft orbs along the flare line.

{% embed url="<https://www.codebyz.com/products/memory-string/catalog/lens-50mm-prime.mp4>" %}

### Pulse

Small discs pulsing near the focus point.

{% embed url="<https://www.codebyz.com/products/memory-string/catalog/lens-pulse.mp4>" %}

### Refract Bubbles

Glass spheres that bend the image at the sides.

{% embed url="<https://www.codebyz.com/products/memory-string/catalog/lens-refract-bubbles.mp4>" %}

### Sparkle

Soft dust motes.

{% embed url="<https://www.codebyz.com/products/memory-string/catalog/lens-sparkle.mp4>" %}

### Starburst

Diffraction spikes from a bright point.

{% embed url="<https://www.codebyz.com/products/memory-string/catalog/lens-starburst.mp4>" %}

### Sweep

Soft discs sweeping across the frame.

{% embed url="<https://www.codebyz.com/products/memory-string/catalog/lens-sweep.mp4>" %}

### Veiling Glare

Soft highlight bloom.

{% embed url="<https://www.codebyz.com/products/memory-string/catalog/lens-veiling-glare.mp4>" %}

### Vignette

Darker edges around the print.

{% embed url="<https://www.codebyz.com/products/memory-string/catalog/lens-vignette.mp4>" %}

Each photo plays **at most one** pooled lens effect. The choice is stable for that photo.

* **Randomize Selected on** (default for Looks): equal odds among checked boxes. **How often** (default **50%**) sets how many photos get an effect. Groups may get effects slightly more often.
* **Randomize Selected off**: some effects like Vignette can apply on every photo instead of taking the single slot.

Checking a box when none are checked keeps that effect on the slide you are on. **How often** stays off until **Randomize Selected** is on, or **Refract Bubbles** is checked.

**Studio:** right-click **Timeline** or **Library** → **Lens Effect** to pin **this photo**. **Entire group ▸ Lens** copies to all seats. Pins survive Look changes. **Anamorphic Streaks** and **Bokeh** do not auto-assign on group seats.

On a group, vignette and light leak apply once for the whole window.

Plate, Ambience, Film, Atmosphere: [Customize](/style-and-motion/customize.md).

## Anamorphic Streaks (when checked)

Horizontal light bars, steered off the subject ([center of interest](/build-your-movie/preview.md#center-of-interest)).

On a **Light** opening card, with that card's own Lens set to **Anamorphic Streaks**, the bar is a colored line behind the title words. When the opening card's Stage is **Match**, it follows the show's stage. A **Dark** opening card, and every other slide, keep the usual light bars.

Presets: **Subtle Cinema** (default) · **Strong Anamorphic** · **Vintage Film** · **Blue Heavy**

Knobs: **Streak Length**, **Intensity**, **Color Split**, **Softness**

On **Noir** / **B\&W**, streaks appear as plain light bars without blue/amber color.

## Refract Bubbles (when checked)

Glass spheres at the sides and backdrop, away from the main subject.

Presets: **Subtle Bubbles** · **Dreamy** · **Strong Refraction** (default) · **Vintage Soap**

Knobs: **Count**, **Size**, **Speed**, **Refraction**, **Rainbow**

On **Noir** / **B\&W**, bubbles read as clear glass without rainbow rim.


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