Beta Swing Pivoting Magnifier, High Quality Colour Corrected Lens, 10x, 12x & 20x

The lens in Beta magnifiers produces sharp, high contrast images free of distortion, colour-fringing, and fully usable from edge to edge. The folding case protects the lens when not in use.

The colour-corrected lenses used in Beta magnifiers is only one of the reasons for their extreme popularity, especially in the printing industry where it is possible to clearly recognize the individual halftone dots at a distance of 20 cms. The increased distance between the eye and lens prevents shadows falling on the object being inspected and provides long relief on the eye.

The optical system is both achromatic and aplanatic consisting of three lenses subdivided into two groups with anti-reflection coating.

The lens in the most popular 12x model contradicts the old compromise that the field of view is automatically reduced as magnification factor increases. In spite of 12x magnification the lens has a 15 mm field of view when positioned against the eye. At a distance of 10 cms it is still approx. 6 mm and at 20 cms approx. 5 mm.

Adustable Focus

The lens is on a threaded barrel for adjustable focus. A locking ring prevents accidental change of the focus setting.

Using Beta Magnifiers:

The lense can be focused initially by moving it close to the eye and then turning the focus ring to the right distance. The lens can then be fixed with the counter-ring present on the thread. Then hold the lense at the optimum distance for the user or move your eye away until the desired distance is reached.

Magnification factor 10x 12 x 20x
Field of view FOV 12 mm 15 mm  6 mm
Eye interval 10 cm approx. 5 mm approx. 6 mm approx. 2 mm 
Eye interval 20 cm approx. 3 mm  approx. 5 mm approx. 1 mm 
Focusable  Yes 
Scale  No 
Optical characteristics Achromatic, distortion-free
Dimensions 83 x 30 x 32 mm (opened)   106x 36 x 36 mm (opened)  87 x 30 x 22 mm (opened) 
Weight 51 grams 77 grams  68 grams
Box  included 
Country of Manufacture    USA 

The Beta range of magnifiers include 9 different models with 3 body designs and 3 levels of magnification. The models MAG, VIEW and SWING share the same lense types and differ only in terms of body design; each model is available with 10x, 12x and 20x magnifications.

More Information
Brand Beta
Product List Attributes Pivoting body, colour corrected lens with focusing, 10x, 12x & 20x
SKU betaswing
Country of Origin United States
Tariff Code 90138090
Illuminated No
Lens Type Achromatic
Scale None

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Beta Swing Folding Magnifier

As low as £98.40 £82.00
In stock
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