MAGNIFIER LAMP INFORMATION:Large selection of high quality
led magnifier lamp and fluorescent magnifying lamp magnification aids.
What power should I choose?Select a lighted magnifier lamp that provides the proper magnification at
a comfortable work distance.
The
higher the power the shorter the focal length(work or reading distance).
For best magnifier lamp 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.
POSTAGE SPECIAL: Pay $8.00
postage for first item ordered. Free postage on all your next items. You may mix and match. Your postage will always
be $8.00 per order(Domestic orders only). Excludes Alaska/Hawaii
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.
High power
magnifiers such as 8x must be held steady or else they will be out of focus.
![fluorescent DESK magnifying glass lamp with clamp](sitebuildercontent/sitebuilderpictures/.pond/LUX250CLIP.jpg.w180h180.jpg ""1.75x desk magnifier lamp with light"")
