A book magnifier is available with two types of lenses, A Fresnel lens book magnifier will magnify a whole page. A convex lens book magnifying glass will magnify a smaller area but can be available in higher powers.  

The higher the power of the a book magnifier the shorter the work distance and the smaller the field of view. To strong maybe to close 

These illuminated hand held magnifiers have convex aspheric lenses. Aspheric lens magnifiers allow for increased magnification and image clarity while greatly reducing edge to edge distortion.The crystal-clear acrylic lens allows it to be lightweight enough to use for everyday tasks. These hand held book magnifiers are great for books, newspapers and small print. Excellent low vision aid. They feature an ultra bright LED light to brighten your viewing area. These hand held book magnifiers are not available at retail stores.

 $110.95  

4X Magnifying Floor Lamp

New-Super-Bright LEDS Read, Write, Work & Enjoy Hobbies More Easily.  

Most magnifying floor lamps are 1.75x or 2x

• 5 inch book magnifier with convex lens       
• 4X Magnification             
• 4 bright white Leds
• Hands free book magnifier on stand.

The advantage of a Fresnel book magnifier is that it will provide magnification of an entire page instead of a few lines of print. This avoids moving your small area magnifier across the page as you read.  A Fresnel full page magnifier consists of a flat plastic lens with concentric grooves that permits magnified viewing. The focal length is about 4 inches from the object to be viewed

 Book Magnifier Mountable

  Lite-Site Head Wearing Book Magnifier

• 3 Lens Powers (1.75X, 2.25X, 2.75X)
• Coated Lenses-Made In U.S.A.
• Head wearing book magnifying glass is lightweight, comfortable to wear for long periods of time and can be worn with your glasses

 $23.95

After the age of about forty you will experience a problem viewing small print and tasks involving close detail work. This eye condition is called presbyopia and a book magnifier with light or book magnifier on stand will help.

 The best book magnifier or book magnifying glass has a power that will allow you to read at comfortable distance. Most people are comfortable with a reading distance of 10 to 12 inches. Our book magnifiers will ease eye strain.  For best book magnifying glass results wear your glasses.

A book magnifier or a book magnifying glass consists of a magnifying lens mounted on to a lens holder.

As the power of a magnifying glass for books increases the diameter of the lens decreases and the field of view is smaller 

A book magnifier with light or book magnifying glass will provide better magnification results as they provide a sharper image. Magnifiers decrease light transmission. 

What you should consider in buying a:

Hand Held Book Magnifier. A hand held book magnifying glass is compact, portable and usually inexpensive but after a period of time your hand will tire. Those with a hand tremor will find a hand magnifier hard to use   

• Hand held book magnifying glass should be comfortable to hold. 
• The magnifying book reader lens should be distortion free.

What you should consider in buying a 

Hands Free Book Magnifier

A hands free book magnifier is best for long term use and a hand  book magnifier is used for the short term. 

• Allows for long duration use.
• Not portable.
• Usually more expensive then a hand book magnifier.
• Larger viewing area. 
• Allows use of both hands 
• Cord/Cordless or both.
• Lighted or unlighted magnifier

Types Of Hands Free Book Magnifiers 

Binocular Headband Book Magnifier

Full Book Magnifier 

Telesight Book Magnifier

Desktop Book Magnifier

Magnifying Lamps

Clip on Book Magnifier

Dome Book Magnifier

Neck Book Magnifier

Field Of View: The size of the area being magnified when viewing through a magnifying lens. The higher the power of the magnifier the smaller the field of view.

Diopter: Diopter is a measurement that is used to calculate the power of a magnifying lens. The higher diopter will provide higher magnification. Diopter is expressed as "D"

Power: Power is how large an object or print increases as you look through a lens. Magnifying power is expressed as "X" 

Focal Length:  Measurement from the center of the lens to to the object and be in focus. 

Focal Range: The distance from the magnifying lens to the object being viewed.

Fresnel Magnifier: A flat magnifier consisting of concentric circles that can magnify a whole page. 

Visual impairment (or vision impairment) is a decreased ability to see to a degree that causes problems not fixable by usual means, such as glasses or medication. Our low vision magnifiers can be of help. 

Rules Of Magnification.   

• The higher the power of the book magnifier lens, the closer you must get to the object being viewed and the smaller the field of view.
• As the power of a magnifier lens increases the diameter of the lens decreases.
• Diopter is a term used to determine the power(magnification}of a lens. The terms are sometimes confused.
• High power magnifiers such as 8x must be held steady or else they will be out of focus.-  

Book Magnifier Links  

National Library Service for the Blind and Physically Handicapped 

Paths To Literacy

American Action Fund for Blind Children & Adults

MD Support

National Eye Health Education Program