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Book Magnifier InformationThe high power book magnifier may not be the best magnifier as you may be to close. Most people are comfortable with a distance of 10
to 12 inches. For best magnifying glass for books results wear your glasses. Our magnifying book readers with light and magnifying glass for books with light are led or
fluorescent lighted and will provide a soft white light to ease eye strain.
What you should consider in buying a: Hand Held Book Magnifier. A hand book magnifying reader 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 - Select
a book magnifying glass with a power that will allow you to perform your task at a
comfortable distance.
- The higher the power the shorter the focal range(work distance) and the smaller
the field of view.
- The high power book magnifying glass may not be the best magnifier for you.
- The hand held book magnifying reader 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 Hands free book magnifier
on stand is best for long term use and hand held book magnifying glass 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 Page Book Magnifier Telesight Book Magnifier Desktop Book Magnifier Magnifying Lamps Clip on Book Magnifier Dome Book Magnifier Neck Book Magnifier
Information On Full Page Magnifier For Books. Need
help but an ordinary magnifier only enlarges a small section of the page. A full page book
size magnifying glass will magnify a whole page of a book or newspaper. What is full page book magnifying glass? - A full
page book magnifying glass consists of a Fresnel lens that enables large area magnification.
- Available as a hand held full page book magnifier or a hands free full page
book magnifier.
How does a
full page magnifying glass for books work? Full page book magnifiers
have a focal range of up to 4 inches and does not
lay flat on the page. Dome magnifier lays flat on page.
Field Of View: The size of the area being magnified when viewing
through a magnifying lens. The higher the power of the book 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 be a full page magnifier. 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 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 The American Foundation for the Blind The National Federation of the Blind Bookshare National Library Service for the Blind and Physically Handicapped Paths To Literacy
Optometry Cares American Action Fund for Blind Children & Adults MD Support National Eye Health Education Program, | 
