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Magnifier Information 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 magnification is the answer. Shop our large selection of magnifying glass for
embroidery work and embroidery magnifying lamps. What type magnifier is best? Hand held magnifiers are best
for short duration use and a embroidery magnifying lamp or hands free embroidery magnifier with stand are
best for long duration use. Magnifier glass power and work
distance: Select magnifiers with a
power that will allow you to perform your task at a comfortable distance. The higher the power of the magnifier the
shorter the focal range(work distance) and the smaller the field of view. The high power magnifier may not be the best magnifier for you. Our large magnifier 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 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 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 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.
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