13
The rotating handle can also be used as a stand to support your hand (Fig. 3).
(Fig. 3)
About cleaning
Do not wash this product with cold or hot water.
Gently wipe off dirt from this product (except for the lens) by using a soft, clean cloth. Do
not use organic solvents such as benzene, thinner, or any cleaning solution that includes
organic solvents, etc.
Remove dust from the faces of the lens with a soft, non-oily brush.
Remove fingerprints, etc., from the faces of the lens by gently wiping them with cleaning
paper or a soft cleaning cloth that has been dampened with a small amount of anhydrous
alcohol (ethanol) or commercially available lens cleaner.
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14
EN
Specifications
4D (Square)
Effective diameter of lens (mm/in) 100 × 54/3.
9 x 2.1
Refractive power (diopters) 4
Reference magnification* 1.5×
Lens material (surface process) Acrylic (PMMA) lens (with hard coating)
Lens form Equiconvex aspherical lens
Size (mm/in) (L×W×D) 8
3 x 142 (up to 242 when the handle is opened) x 18
Weight (g/oz) 103
*
Reference magnification is when an object is clearly visible at approx. 250 mm/9.8 in.
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