Types Of Needlework Magnifiers And Needlepoint
Hand Held Needlework Magnifier/ Needlepoint Magnifier.
short duration use as your hand will tire and you have to hold the magnifier in focus.
Free Needlework Magnifier/ Needlepoint Magnifier .
Magnification with both hands free to work on your craft tasks.
Con: Usually more expensive
and less portable.
Types Of Hands Free Magnifiers:
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.
best needlework magnifier results wear you reading glasses.
*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.