Is A Desk Magnifier? |
A desk magnifier consists
of a magnifying lens mounted to a base or clamp on device.The advantage of a desk magnifier or desk magnifying glass is that it is hands
free for reading or performing close work.
best desk magnifier results wear your glasses.
Types Of Desk Magnifiers
Full Page Desk Magnifier
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 desk magnifier will help.
What Power Desk Magnifying Glass Should I Choose?
Select a desk mounted magnifying glass with a
power that will allow you to perform your task at a comfortable work or reading distance.
The higher the power of the desktop magnifying glass the shorter
the work distance and the smaller the field of view. The high power magnifying glass may not be the best magnifier for you.
not apply to Fresnel Lens magnifiers which have a focal range of 4 inches.
Do I Need A Desk Magnifier With Light? A desk magnifier with
light, desktop magnifying glass with light or desk magnifying glass with light will provide better
magnification results as they provide a sharper and clearer image and more contrast then a non-lighted
Our desk magnifier with
light, desktop magnifying glass with light and desk magnifying glass with light are led or
fluorescent lighted and provide a soft white light to ease eye fatigue .
Information On Fresnel Full Page Desk Magnifiers*
A full page desk magnifier consists
of a large Fresnel lens that allows for reading of a whole
The advantage of a hands free page desk magnifier
is that it can be used as a whole page magnifier.
is a Fresnel desk magnifier?
A Fresnel 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.
How does a magnifying glass work?
magnifying glass is a lens through which can be used to make things appear bigger,
so you can see them better. It is used in many applications and manual operations.
The magnifying glass consists of a piece of convex[ shaped glass or plastic. It has to be held at the right distance between the eye and the object for the object
to be in focus. Wikipedia
Our large desk magnifier
with light selection can help those with
presbyopia and macular degeneration.
Field Of View:
The size of the area being magnified when viewing through a magnifying lens.
The higher the power of the desk magnifying glass the smaller the field of view.
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 is how large an object or print increases as you look through
a lens. Magnifying power is expressed as "X"
from the center of the lens to to the object and be in focus
The distance from the magnifying lens to the object being viewed.
A flat magnifier consisting of concentric circles that can
be a desktop full page reading 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 desktop magnifying glass magnifiers can be of help.
Rules Of Magnification.
- The higher the power of the lens, the closer you must get to the object
being viewed and the smaller the field of view.
- As the power of a 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.
A desk magnifying glass is hands free and makes reading, crafts and close work
easier and are available in many powers and lens sizes.
A desk magnifier with light, desktop lighted
magnifying glass desktop magnifying glass lamp, desktop magnifying glass with light, desk mounted magnifying glass with
light and desk magnifier with light are the same type magnifier
Magnifiers And Desk Magnifying Glass For Reading And Crafts Links
The American Foundation for the Blind
The National Federation of the Blind
National Library Service for the Blind and Physically Handicapped
Paths To Literacy
National Eye Institute
American Action Fund for Blind Children & Adults
Children's Eye Foundation
Sight for Students
National Eye Health Education Program
Knitting, Crochet, and other Needlecrafts
How To Knit
How To Knit Beginners
How To Sew
Basic Sewing Stitches
How to Crosstitch
How To Do Needlework