Physics | Light, Sound and Waves | Lens and Prisms A. Rainbow Glasses: Small A
The relationship between light and colour has never been explained so clearly as with these fun glasses. The double-axis diffraction grating embedded in the lenses ensure that, when looking through these glasses, almost any single light source can be split into a 3D spectrum of the component colours. Designed to fit students up to to KS2 but will fit older students.
E8R07767 E8R07768
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B. Solar Eclipse Glasses
Absolutely safe for direct solar viewing of solar eclipses sun spots and other solar phenomenon. Made from solar viewing materials which are optical density 5 or greater and are “”CE”” certified to meet the transmission requirements of scale 12-16 of EN 169/1992. Lenses are made of our exclusive scratch resistant optical density 5, “”Black Polymer”” material. Eclipse Shades filter out 100% of harmful ultra-violet, 100% of harmful infrared, and 99.999% of intense visible light. These premium filters create a sharper ORANGE colored image of the sun. The backside is printed with safety information.
Designed to fit most adults with additional folds to suit children.
E8R07770 B C. Lens Holder: Unmounted
Comprising a metal holder with sides grooved to hold the lens or mirror. The holder is finished in matt black and is free standing for bench use. Designed to hold lenses or mirrors of 50mm diameter.
E8H25948 D. Lens Holder: Mounted
Comprises a metal holder with sides grooved to hold the lens or mirror. The holder is finished in matt black and is free standing for bench use.
E8H25959 E. Opto Source
Our Opto Source is a complete stand-alone item containing 9 bright LEDs arranged in the special shape of the letter ‘F’. When viewing the source with a pinhole camera the image is clearly seen inverted in the vertical plane and in the horizontal plane. This is not possible with the traditional sources such as a a candle or a carbon filament lamp. The PCB is mounted on a wooden lens holder and the Opto Source is supplied with batteries.
E8R07808 C D £42.78
F. Optics Pins Nickel plated iron, heavy gauge. Length 75mm. E8R06824