Hard crown glass, refractive index 1.519 to 1.523.
In Stock
To explore light reflection and refraction properties of concave and convex mirrors, laws of reflection, image formation, the effects of surface curvature on reflection, spherical aberration etc. Each mirror is securely held on a plastic base, diameter of the mirror is 95mm approx.
Brass dial head 40 mm diameter, divided and marked in 100 divisions, vertical scale 10-0-10 mm, fitted on tripod stand, distance between legs 40 mm.
Cylindrical lenses made of highly polished glass, magnifies in only one dimension. These lenses are used in transforming a point image to a line or changing the height of an image without changing its width.
Optically worked, back silvered, with protective coating.
Metal holder with sides grooved to hold lens up to 50 mm diameter on wooden support.