Reading Magnifier, 100mm, 15cm Focal Length, Alternate Model Item Type_Animal Model The wavelength can be changed

The wavelength can be changed with the help of variation in frequency & stress generated using different weights on the one end of rope/thread

Six-piece transparent acrylic prism and lens set with all faces polished

Lightweight and chemically stable

supplying the standard mid-range value used in the bulk of introductory Ohm's-law and voltage-divider investigations

and has an inner diameter of 3

Reading Magnifier, 100mm, 15cm Focal Length, Alternate Model Item Type_Animal Model The wavelength can be changedChrome plated 100mm alternate model reading magnifier with a 15cm focal length, the broader lens capturing more page area while supporting general magnification for reading.