Equilateral prisms clear with long sides for refractive index measurements, a trapezoidal prism with a frosted base to show ray paths inside the prism. 75 mm side, 9 mm thick
This magnifier is mounted on a comfortable head band. Since both eyes are used it provides 3D vision enabling fine manual co-ordination. Ideal for any kind of detail work where both hands are required to be free to attend the work. Available in five models with different magnifications.
Dissecting Magnifiers mounted on metal base horse shoe shape wrinkle painted with universal ball and socket arrangement for adjustment of the lens according to the position required
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 magnifier fold flat to fit in your pocket. Scales are etched on the inner faces of the viewers base
An economical and comprehensive set of equipment for ray optics and color experiments using magneticbacked components that can be used on the whiteboard included or any installed steel magnetic board Included a double ended light box contains a 12V20W halogen lamp a wallmount AC adapter one end carries a cylindrical lens and slots for mounting the three slit diaphragms for ray optics The other end carries two adjustable mirrors and an open area for color mixing work using colored filters that fit into slots in the ray box Seven transparent color filters seven opaque color filters Three slits one rectangular acrylic block one semicircular block one right angle 90x45x45 One right angle 90x60x30 one equilateral prism four plastic coated ring magnets one double convex block One mirror strip one double concave lens two magic alphabet card and one mirror holder With instruction manual The sizes of whiteboard supplied are approx 580x390 mm
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