reflection and refraction demonstrator, 16cm diameter acrylic water tank has a 360 degree scale and a moveable arm carrying a laser activated by a push-button, Thumb screws on the side of the laser harness can be adjusted to finely position the laser beam
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 250 mm focal length, Lens measures 1.5in diameter, 0.2 weight
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 100 mm focal length, Lens measures 2in diameter, 0.1 weight
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 100 mm focal length, Lens measures 3in diameter, 0.3 weight
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 300 mm focal length, Lens measures 3in diameter, 0.1 weight
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 500mm focal length, Lens measures 3in diameter, 0.1 weight
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 1000 mm focal length, Lens measures 3in diameter, 0.1 weight
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 500 mm focal length, Lens measures 3in diameter, 0.3 weight
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 200 mm focal length, Lens measures 3in diameter, 0.1 weight
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 200mm focal length, Lens measures 3in diameter, 0.2 weight
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 200 mm focal length, Lens measures 2in diameter, 0.2 weight
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 250 mm focal length, Lens measures 3in diameter, 0.2 weight
Educational Diffraction Slide, 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
Photoconductivity, Multipurpose power supply. Electrical safety tested. Marked analyzer & polarizer for angle measurement. Photo current is studied as a function of the voltage applied to the photo resistor at a constant irradiance.
Fiber Optics Voice and Data Kit, fiber Optics communications, Transmit your voice or a 1kHz signal through the fiber optic cable to a fiber optic receiver, components: including PC boards; microphone; speaker and fiber optic cable, with Transmitter and receiver
HOOKUPZ* 2.0, Universal Smart Phone Optics Digiscoping Adapter, Optics with an eyepiece of 25-58mm, For Binoculars, Spotting Scopes, Monoculars, Telescopes, Microscopes, Incompatible for riflescopes and tablets, Fits ipods, iphones, Galaxy, Motorola and HTC phones
Inverting Spectacles, With Two Fully Rotating Inverting Prisms In A Shielded Spectacle Frame, The Inverting Prisms Produce A Lateral Inversion Of The Rays-The World Thus Turns Upside Down, This Also Enables A Better Understanding Of The Visual Perception Of Babies.
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