Showing 13–24 of 106 results

Colour Filter Set

Description

In cardboard frames, 50 x 50 mm set of 7 primary and secondary colours.

Combined Object and Receiving Screen

Description

Comprising a black metal frame 150 x 100 mm with an aperture, and a removable white card screen. The card has an aperture with an index point for use as an object, or the card may be inverted and used as a receiving screen. Mounted on a base 100 x 50 mm.

Compact Light Source

Description

A 12 V 100 W lamp in ventilated housing. Apertures are provided to enable lamp to be used as a horizontal ‘line’ source or a powerful pointer source. Mounted on a rod for being supported on a laboratory stand.

Complete Optical Bench Set

Description

The Complete Optical Bench Set is an economical alternative to conventional optical benches that provides accurate demonstrations of basic optics principles. The complete system includes: 1. Optical bench-double-sided meter stick. 2. One Object and Marker. 3. One Screen support.
4. One Candle holder.
5. One Pair of metal supports.
6. Two Lens supports— 4 cm and 7.5 cm. 7. Five White board screens, each 10 x 12.5 cm with a millimeter scale along one side. 8. 12 paraffin candles.

Concave Mirror, Spherical

Description

Optically worked, back silvered, with protective coating.

Focal length Add To Enquiry  
50 mm 75 mm  
50 mm 100 mm  
50 mm 150 mm  
50 mm 200 mm  
50 mm 300 mm  
60 mm 100 mm  
60 mm 150 mm  
60 mm 200 mm  
60 mm 300 mm  
75 mm 100 mm  
75 mm 150 mm  
75 mm 200 mm  
75 mm 300 mm  

Corner Cube Reflector

Description

To demonstrate principles of light and reflection, The reflector features three front-surfaced triangular mirrors mounted at right angles to one another on a hardwood base. Light beams hitting any of the mirrors from any angle are bounced off the other two mirrors and reflected back in the same direction they came from. With instructions.

Cross-Wires

Description

75 mm diameter circular black metal screen having 10 mm aperture with cross-wires.

Cube, Glass, Hollow

Description

50 mm side, cemented, with hole and stopper at top

Cylinderical Lenses

Description

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.

Size Focal length Add To Enquiry
Double-Convex 50 x 50 mm 75 mm
Double-Convex 50 x 50 mm 150 mm
Double-Convex 50 x 50 mm 200 mm
Double-Convex 50 x 45 mm 75 mm
Double-Convex 50 x 45 mm 150 mm
Double-Convex 50 x 45 mm 200 mm
Double-Concave 50 x 50 mm 75 mm
Double-Concave 50 x 50 mm 150 mm
Double-Concave 50 x 50 mm 200 mm
Double-Concave 50 x 45 mm 75 mm
Double-Concave 50 x 45 mm 150 mm
Double-Concave 50 x 45 mm 200 mm
Plano-Convex 50 x 50 mm 60 mm
Plano-Convex 50 x 50 mm 75 mm
Plano-Convex 50 x 50 mm 100 mm
Plano-Convex 50 x 50 mm 150 mm
Plano-Convex 50 x 45 mm 60 mm
Plano-Convex 50 x 45 mm 75 mm
Plano-Convex 50 x 45 mm 100 mm
Plano-Convex 50 x 45 mm 150 mm
Plano-Concave 50 x 50 mm 60 mm
Plano-Concave 50 x 50 mm 50 mm
Plano-Concave 50 x 50 mm 300 mm
Plano-Concave 50 x 45 mm 60 mm
Plano-Concave 50 x 45 mm 50 mm
Plano-Concave 50 x 45 mm 300 mm

Demonstration Diffraction 3 in One

Description

For demonstrating the principle of the diffraction grating and the way in which its properties are dependent upon the number of lines per unit length. Comprises a card mount 90 x 40 mm approximately with three 16 x 9 mm apertures, each containing a diffraction grating replica. The gratings are of 100 lines / mm. 300 lines / mm and 600 lines / mm, respectively and are protected by cover glasses.

Diffraction Grating Replica

Description

Transmission type, 30 x 25 mm. 600 lines / mm, with protective glass cover.

Diffraction Object Holder

Description

For supporting diffraction objects or any other item in 50 mm square mount. Rectangular metal frame with spring clips and a mounting rod.