[contact-form-7 404 "Not Found"]
Lens, Biconvex, Acrylic
Lens, Double Convex, Spherical
Description
Clear glass, ground edges
| Focal length | Power | Add To Enquiry |
|---|---|---|
| 25 mm | 100 mm | +10D |
| 25 mm | 150 mm | +6.6D |
| 38 mm | 50 mm | +20D |
| 38 mm | 100 mm | +10D |
| 38 mm | 150 mm | +6.6D |
| 38 mm | 200 mm | +5D |
| 38 mm | 250 mm | +4D |
| 38 mm | 300 mm | +3.3D |
| 38 mm | 500 mm | +2D |
| 38 mm | 1000 mm | +1D |
| 50 mm | 50 mm | +20D |
| 50 mm | 100 mm | +10D |
| 50 mm | 150 mm | +6.6D |
| 50 mm | 200 mm | +5D |
| 50 mm | 250 mm | +4D |
| 50 mm | 300 mm | +3.3D |
| 50 mm | 500 mm | +2D |
| 50 mm | 1000 mm | +1D |
| 60 mm | 100 mm | +10D |
| 60 mm | 200 mm | +5D |
| 60 mm | 300 mm | +3.3D |
Lenses, Set of Six
Light Box and Optical Set
Description
A Robust light box in matt black finish with a 12 V 24 W axial filament lamp with flexible leads. One end of the box takes a cylindrical convex lens in an adjustable sliding mount to enable production of convergent, parallel or divergent beams. Complete with accessories which consist of: 5 Plastic blocks, one rectangular, One semicircular, One equilateral prism 60° x 60° x 60°, One right angle prism 90° x 60° x 30° and one right angle prism 90° x 45° x 45°. 3 Cylindrical acrylic lenses: one double convex, one double concave, both having the same radius of curvature and one thick convex lens. 3 Mirrors, one plane glass, one curved parabolic and one curved semi-circular. 2 Slit plates, one with three narrow and one narrow slits, the other with four narrow and one wide slits 1 Set of eight colour filters, Red, Green, Blue, Cyan, Violet, Yellow, Orange and Magenta. 1 Set of coloured cards, Red, Green, Blue, Violet, Orange, Cyan, Yellow and Pink. Complete with one spare lamp, in box.
Light Kit
Description
Simple kit that helps explain students the principle of reflection and refraction. Using mirrors, lenses, acrylic prism set and a ray box, light can be reflected and refracted in different ways. The acrylic prism set includes a triangular, half-round, double convex and rectangular prism and two double concave prisms all packed in a wooden storage box. A Newton color disc is also provided with this set. The color disc illustrates an important property of light that white light is composed of seven colors. With instructions.
Light Reflection and Refraction Set
Description
This optical kit helps students easily study these two important wave properties: Reflection and Refraction. Set made up of a wooden and rotating platform. base triangular stand made up of a disc and a rotating arm. The rotating platform provides a high degree of accuracy when making measurements as well as provides an easy way to change angles without disturbing the light source.
Linen Tester
Description
These are collapsible pocket magnifiers. The optical system is a single element, glass Double Convex Lens. The housing is made of machined, black high grade plastic for a high finish look. These magnifiers fold flat to fit in your pocket. Scales are etched on the inner faces of the viewerÂ’s base.
Lux Meter
Magnifier, Folding
Magnifier, Folding
