Peak Scale Zoom Magnifier #1983

£ 71,90
( excl. Shipping costs)

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Product No.: PK1983

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This Peak Scale Magnifier with 10X has precision-constructed achromatic lenses, a fine-printed scale and fine focusing ring-nut. To achieve a higher transmission the lenses have an anti-reflex coating.

Magnification 10x
achromatic optical system (4 lenses in 2 groups)
anti-reflex coating
fine focus
perfect illustration of object
standard scale/reticule ( 30 mm/1mm) included
quality case for safe storage and transport included

Technical details:

Scale division 1mm
Scale: 30 mm
Field of View: ø32mm
Dimensions: ø46 x 44mm
Weight 74g

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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