Zoom Loupe with Scale - 10x21mm focus

£ 49,29
( excl. Shipping costs)
 
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Product no.: ROLA8010
Shipping: 3 days 3 days
Zoom Loupe with Scale - 10x21mm focus
Zoom Loupe with Scale - 10x21mm focus
Sliding scale prices
1-4 units
per £ 49,29
5-9 units
per £ 46,90
> 9 units
per £ 44,50


Premium focusable loupe with a 10x magnification. 

  • 10x magnification.
  • lens diameter 21 mm
  • quality achromatic lens.
  • field of view 35 mm.
  • high resolution perfectly adapted to the viewing field.
  • precision measuring with scale 20 mm long 0.1 scaling.
    1 DIV = 0.1 mm
  • ring-nut for fine focusing.
  • height 3.7 cm
  • protective lens cap provided
  • comes in own leather pouch
For the 7x High Definition Triplet Focusable System + Scale, 7 optional reticles to choose from (click here)

Chromatic aberration is caused by a lens having a different refractive index for different wavelengths of light (lens dispersion), meaning that different colors focus at different distances from the lens. Longitudinal and lateral chromatic aberration of a lens can be seen as "fringes" of color around the image.   


Chromatic aberration of a single lens causes different wavelengths of light to have differing focal lengths.

An achromatic doublet has the same focal length for red and blue light.

As can be seen above, chromatic aberration can be minimized by using an Achromatic Lens or Achromat, in which special optical materials with differing dispersion are assembled together to form a compound lens.

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