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Pinhole Camera Kit

Ideal for student experimentation in simple optics involving the basic pin hole camera. Other optical effects such as image inversion, effect of aperture size on depth of field and quality of image etc., can also be explored. The standard pack is sufficient for 8 students and consists of the following items.

8 cardboard boxes 150 100 100mm with hole, screen and lid
 50 sheets of black paper 200 250mm
One 200W lamp
One mounted lamp holder with flex
One packet of pins.

Led Ray Box

No more burnt finger, this LED Ray box housed in a tradional diecast enclosure uses the latest ultra bright LED technology giving a superior white light with a 10000 hour life. Supplied complete with slit plate. Collimating lens and mains power adaptor.

Features:

Ultra cool - temperature
Long life LED - rated 10000 hours
White light closer to real sun light 
 Equal in power to most convenonal 24W Ray boxes
Rays are more connuous and of uniform intensity
Complete with power adaptor, Lens and Slit Plate

Ray Box

Useful for studies of fundamental principles of optics using ray tracing technique. Comprises a well painted, die-cast metal box with an enclosure that houses electric bulb for use as a light-source in the experiments. Open front of the bulb enclosure with holes all around the bulb holder and extended sidefins on the outside of the enclosure assist in the heat dissipation of the bulb. The integral side-rails provided with a set of vertical-grooves on inner side for accommodating various 45mm wide mountings such as slit plate and cylindrical lens. The 12V bulb with vertically straight filament, mounted in SBC bulb holder with a two core flexible connecting lead terminating in a pair of 4mm banana plugs for connecting it to low voltage AC power source. Additional slots permit the mounting of other accessories or components such as color filters for added experiments in ray optics. Supplied complete with slit plate, double ended single/triple but without collimating lens

Cylindrical Lens For Ray Box

Cylindrical lens for use with Ray Box, about 45mm wide. Focal length approx. 15cm (+6.67D).

LO-6358 Biconvex

Optics Kit

Kit develops the creative mind of student and clear the theoretical concept related to the light, creation of rainbow from sunlight, straight line propagation, transparent and opaque materials, reflection and refraction, images formed by lens, colours and the spectrum. Kit consists of three wooden V shape lens holder, a white screen, two plane mirrors, a glass sheet, a plastic beaker, two prism, two lens/mirror supports, a flashlight, a candle, five set of color filter two convex lens, a concave lens and a plano convex lens

Laser Light Source

Compact in size, inexpensive, lightweight with low power consumption diode laser is housed in a plastic moulded case (90x90x42) mm approx., qualitatively used for ray optics demonstration and simple diffraction work as well as to indicate the points on overhead images and charts. It required three button cells to project visible red spot with a sharply focused beam of wavelength (630-680) nm with only 1mw power consumption.

Optical Set For Light Box

Set of optical components supplied along with light box, available as spares

LO-6304 Set of 5 Acrylic Blocks (Prisms): one each of rectangular, semicircular, equilateral triangular - 60 60 60, triangular 90 60 30 and right angled triangular 90 45 45

LO-6304 Set of 3 Acrylic Cylindrical Lenses: one double concave, one double convex (both having same radius of curvature) and one thick double convex

LO-6304 Set of 3 mirrors: one each of parabolic, semi-circular and plane glass (mounted on stand)

LO-6304 Set of 2 slit plates, black: one with three narrow slits and one narrow at either end, and other with four narrow slits and one wide slit at either end

LO-6304 Set of primary colour filters: one each of red, blue and green.

LO-6304 Set of secondary colour filters: one each of cyan, violet, orange, yellow and magenta

LO-6304 Set of 8 Coloured Cards: one each of red, blue, green, violet, orange, cyan yellow and pink.

Mounted Colour Filters

Coloured, gelatine film, 50mm square, card mounted. Useful for experiments in primary and secondary colours optics experiments, colour mixing investigaons etc, in light box

LO-6313  Red

LO-6313 Green

LO-6313 Deep Blue

LO-6313 Compound Yellow

LO-6313 Peacock Blue

LO-6313 Magenta

LO-6313 Deep Red

LO-6313Orange Red

LO-6313 Yellow Green

LO-6313  Pure Green

LO-6313  Blue Green

Radioactivity Bench

A square section steel tube 25x25x430mm for carrying out an experiment in level gauging, basic scarring, absorption and parcel deflection in the magnetic field, etc. There is a raise 40cm scale graduate in millimeters along the front of the bench. There are also three magnetic molded plastic bench mounts with a 3mm slide slot to hold a range of absorbers or source holder. Two aluminum source holders are also provided, the large of which has three collinear 4mm holes to accept mounting pegs of standard sources. Complete with a full circular paper protractor and two bulldog clips.

Refraction Disc

A metallic circular disc graduated (0-90) in four quadrants and subdivided into 1. A transparent acrylic semi-circular tank is fitted on the metallic disc to find out the refractive index of different liquids e.g. water, kerosene, oil, etc. All this assembly is fitted on a metallic base which is graduated from 1-7 to place the lightbox at any desired level.

Radio Active Decay Analogue

A set of 500 cubes each of dimensions 1 cm 3 packed in a plastic box to avoid any chance of misplacement. One face of each cube is black colored. On throwing the cubes, it will represent atomic nuclei, to see how many decays during each throw. Decayed nuclei are removed prior to the next throw. Satisfactory results is obtained for an exponential decay curve without the hazards of radioactive material.

Photon Energy Array

Seven LED's of different wavelength mounted on an acrylic base bended at their edge to stand it. LED's are selectable through a rotary switch surrounded by LED's. The apparatus uses a 5V DC external voltage via. 4mm colour coded sockets indicated with 5V and 0V respectively. To monitor the current and voltage across each LED 4mm sockets are provided to connect voltmeter and current meter indicated with 'V' and 'A' respectively. The operating voltage for the LED's can be adjusted with the help of potentiometer fitted on the base. Students can measure the threshold voltage.

Ray Optics Kit

A versatile kit of components for ray optics experiments. Investigaons possible include linear propagtiaon of light rays, focusing of rays by cylindrical lenses, focusing of mutilple rays showing aberration, law of reflection, refraction in water, prisms etc. Complete contents include

1. Lamps holder with 12V, 24W lamp and stands - 2 Nos

2. Housing shields- 1 pair

 3. Combined single and triple slit plates - 2 Nos.0

4.  Multiple slit combs - 2 Nos

 5. Holders for combs and slit plates - 2 Nos

 6. Wooden light barriers - 4 Nos.

7.Plano cylindrical lenses +7D - 4 Nos.

 8. Plano cylindrical lenses +10D -2 Nos.

9.Plano cylindrical lenses +17D - 2 Nos.

10.  Plano cylindrical lenses -7D- 2 Nos.

Rotatable Hartle's Optical Disc

For exploring the various concepts of optics involving reflection and refraction using ray tracing technique. Comprises a sheet metal disc, about 30cm in diameter, painted white at the top with clamping assembly at its underside for mounting it on a vertical support rod in either of horizontal or veritcal plane and is rotatable about its axis. The upper side of disc has a circular scale along its rim graduated 90-0-900-90 and divides the disc in four equal quadrants with its center clearly marked. Shapes of various opcal elements also clearly marked on the disc to facilitate their placement while performing experiments. The clamp at the underside has metal bar projecting radially outside with adjustable lamp holder mounted at the other end with an adjustable collimating lens to get divergent, convergent or parallel beam as required. A rotatable disc attached in front of collimating lens provides option of single, double, triple or quadruple slits for range of experiments. Complete assembly mounted on stable cast metal heavy base. Supplied complete with reflecitve components one each of plane glass mirror, polished semi-circular cylindrical mirror; and set of 6 refracitve components, acrylic blocks (prisms) one each of semi-circular, bi-convex, bi-concave, right angled prism, equilateral prism and trapezoidal prism. All opitcal elements provided with powerful magnets at their boom for placing them securely on the disc in either of horizontal or vertical disc posiiton. The booms of all refractive components are frosted to minimize internal reflections and revealing the path of light as it passes through.

LO-6268 Hartle's Optical Disc, Rotatable

LO-6268 Set of 6 Optical elements, one each of semi-circular, biconvex, bi-concave, right angled prism, equilateral prism and trapezoidal prism, packed in a case for use with Hartle's Optical Disc

Reflection, Diffraction, Refraction Kit

These hands-on experiments reveal the mystery of how light travels. This kit includes instrucons for reflecng and refracng light, and includes light theories. A variety of translucent opaque objects and a Teacher's Guide are also included

Hand Refractometer

With accuracy 2%, Built-in Amici prism and special light reflection system for colour elimination to obtain sharp critical boundary line and optimum contrast.

High-Grade Advance Spectrometer, 5

High-Performance Instrument

Scale:� 125 mm dia. divided 0 to 3600 x 0.5 degree readable with vernier to1minute of arc

Collimator:� Achromatic objective lens 175mm FL, the clear aperture of 32mm. Rack and pinion focusing mechanism. Adjustable slit 6mm long. Mounted on a fixed pillar.

Telescope :� Achromac: Objective lens 175mm FL, the clear aperture of 32mm. Rack and pinion focusing mechanism. Mounted on a movable arm with a slow and fine moon.

Ramsden Eyepiece:� 15 X magnification with cross line glass graticule and in and out focus adjustment.

Prism Table  85mm diameter table is provided with three leveling screws and is marked with lines to assist placement of prism

Laser Spectrometer

This is an advanced deluxe spectrometer of size 7" spectrometer, we have made arrangement for Diode laser&detectorinstead of telescope & collimator. The diode laser is held in support rigidly &in perfect alinement at the place of the collimator. similarly, the output detector is held in support rigidly& in perfect alinement at the place of the telescope. Vertical adjusting screws to aline the diode laser & detector. Supply with grating holder, grating, diode laser with power supply, and output detector with a digital meter.

Prisms Optically worked for Spectrometers

Equilateral Quartz Prism