Reading Magnifier S1 Series

Features

High-precision aspherical lens reduces image distortion all the way to the lens periphery
Hard coating on the lens surfaces to prevent scratching
Rubber material on the handle for a comfortable, secure grip
Can be held in either the left or right hand
Available in two colors: red and blue, and three types: 4D, 8D and 10D

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Reading Magnifier S1 Series
	S1-4D (Square type)	S1-8D (Round type)	S1-10D (Round type)
Color	Red/Blue	Red/Blue	Red/Blue
Effective size/diameter of lens (mm)	100x54	80	60
Refractive power (diopters)	4	8	10
Reference magnification (x)	1.5	2	2.5
Lens material	Acrylic (PMMA) lens	Acrylic (PMMA) lens	Acrylic (PMMA) lens
Lens form	Equiconvex aspherical lens	Equiconvex aspherical lens	Equiconvex aspherical lens
Surface coating	Hard coating	Hard coating	Hard coating
Size (LxWxD) (mm)	160x198x17	230x91x17	190x71x15
Weight (g)	109	108	65