Video Magnifier Features

By: Carmen Willings
teachingvisuallyimpaired.com
Updated June 15, 2025
Formerly known as closed-circuit televisions (CCTVs), video magnifiers use a camera to project enlarged images of printed materials onto a screen such as a monitor, iPad, or computer. They are invaluable for students with low vision who need enhanced magnification and contrast to access print.

Key Features and Benefits

Enhanced Magnification
  • Adjustable zoom lets users enlarge print or images for easier reading and writing.
  • Increases independence and improves reading speed and comprehension.
Contrast & Color Customization
  • Switch between polarity modes (e.g., black on white vs. white on black).
  • Choose custom color schemes on color models for better visibility of text, charts, and maps.
Expanded Field of View
  • Larger viewing area than handheld magnifiers.
  • Helps with reading long passages and interpreting visual data like graphs or images.
Distance Viewing
  • Some devices toggle between near and distance views.
  • Useful for reading whiteboards, watching presentations, or viewing classmates without using a monocular.
Portability Options
  • Portable video magnifiers (battery-powered or USB-rechargeable) allow access on the go: classrooms, field trips, stores, or restaurants.
XY Table
  • A movable tray on which materials are placed, allowing smooth left-right and up-down movement while reading.
  • Improves tracking and scanning fluency.

Types of Video Magnifiers

Type
Description
Best For
Stand/Stationary
Larger screen with fixed camera; often on a rolling table; often includes XY table
Students who benefit from a large viewable area and use it in one classroom
Distance-Capable Models
Switch between near and far viewing without using a separate monocular
Students who need hands-free distance access in the classroom
Portable/Handheld
Lightweight, compact, battery-operated models for on-the-go use
Students who move classrooms or need access to print in various environments
OCR-Enabled Models
Includes Optical Character Recognition to convert text to speech or save electronically
Students who also benefit from auditory access or need support for reading endurance

​Educational Benefits

  • Encourages reading and writing through visual feedback.
  • Reduces reliance on large print materials.
  • Supports access to textbooks, labels, photos, diagrams, and more.
  • Allows students to work more independently and with greater efficiency.

​Considerations and Limitations

  • Power Source: Non-portable models require a power outlet.
  • Classroom Placement: Large units may block the view of other students.
  • Flat Material Required: Glare and readability issues arise if materials are not laid flat.
    • Tip: Use an anti-glare Plexiglas board and books with wide margins for easier positioning.

Tips for Selecting the Right Device

  • Assess needs for screen size, portability, distance viewing, and audio support.
  • Consider student mobility, classroom setup, and learning tasks.
  • Evaluate models for compatibility with other devices (iPads, laptops).
  • Consult with a TVI and AT Specialist to match the right tool with the student’s unique visual profile.
"The question is not what you look at, but what you see." - Henry David Thoreau

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