| Magnifying Glass 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 What is a craft magnifying glass? A craft magnifying glass consists of a
magnifying lens mounted on a handle for hand use or a housing with a base or clamp for hands free use. For best
magnifying glass for crafts results wear your glasses.
What type magnifying glass is
best? A hand held magnifying glass for
craft work are best for short duration use. A
hands free craft magnifying glass on stand are best for long duration use.
Lighting: A
magnifying glass for crafts with light, craft magnifying glass with light or craft magnifying glasses with light provides
a sharper and clearer image then a non-lighted craft magnifying glass. Magnifiers decrease light transmission.
Power/Work distance: The
higher the power of craft magnifying glasses, the closer you must get to the object being viewed
and the smaller the field of view. Select a magnifying glass for crafts that will provide a comfortable work distance. To
strong may be to close. Large
selection of magnifying glasses for craft work, hands free craft magnifying glass with light and magnifying glass
for crafts.
The high power magnifying glass may not be the best magnifying glass for craft work. Our magnifying
glass models 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 magnifying glass 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 Magnifying Glass: A flat magnifying glass consisting
of concentric circles that can be a full page reading magnifying glass. 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.
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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