| Magnifier Information Types Of Needlework Magnifiers And Needlepoint
Magnifiers Hand Held Needlework Magnifier/ Needlepoint Magnifier. Pro: Portable
and inexpensive. Con: For
short duration use as your hand will tire and you have to hold the magnifier in focus. Hands
Free Needlework Magnifier/ Needlepoint Magnifier . Pro:
Magnification with both hands free to work on your craft tasks. Con: Usually more expensive
and less portable.
Types Of Hands Free Magnifiers: What
power should I choose? - Select a needlework magnifier that provides the proper magnification at a comfortable work distance.
- The higher the power the shorter the focal length
and the smaller the field of view.
- A very
high power may bring you to close to your work. The high power magnifier may not be the best magnifier for you.
- For
best needlework magnifier results wear you reading glasses.
Diopter | Power | Focal Length* | 3 | 1.75X | 13
inches | 5 | 2.25X | 8 inches | 8 | 3.00 | 5
inches |
*Does not apply to Fresnel Lens magnifiers which have a focal range of 4 inches.
Do I need a needlework magnifying glass with a light? A needlepoint magnifying glass with light will provide a better magnified
image then a non-lighted magnifier. Most lighted needlework magnifiers
are led or fluorescent lighted Our large magnifying light for needlepoint magnifier selection will
help 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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4x 
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