Misc. Light-Optic Products


Misc. Light-Optic Products Manufacturer, Exporters & Suppliers - School Educational Equipments Manufacturers & Exporters of Educational Equipments for Lab. Science Lab Products, Teaching Aids, Classroom Instruments, Educational Laboratory

Direct Vision Spectroscope

Code: PHLO0300

A complete and light weight direct vision spectroscope without wavelength scale, for observing visible radiations from 400 to 750 mm.

Direct Vision Spectroscopem Another Type

Code: PHLO0301

A compact visible spectroscope with wavelength scale which allows the direct reading of spectral length and employs a prism for dispersion. It is also useful for flame test of basic radicals (sodium, strontium, potassium, copper etc.) There is a single eyepiece and independent focussing tube for the graticule, which carries an index at 590mm. with "D", marked right below the scale, (corresponding to the wave length of sodium light) can be calibrated to a known light source by adjustment of knurled screw. The amount of light admitted to the spectroscope can be regulated by a variable slit, adjusted by a knurled ring round the rating tube.

Advanced Direct Vision Spectroscope in Wood Case

Code: PHLO0304

For the rapid examination of spectral composition of white light, metal tube with draw out focusing and an adjustable slit fitted with achromatic objective glass and 3 element prisms. Complete in a wooden case.
Details are as below:
  • Adjustable slit and draw out focusing
  • 3 element prisms
  • Wooden Case

Optics Kit

Code: PHLO0308

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.

Photometer, Jolly's (Optical Bench Jolly's Photometer)

Code: PHLO0312

Block comprising two pieces of polythene approx. 25mm square and 10mm thick, separated by a tin foil, mounted on stand behind aperture of 12mm diameter.

Photometer, Jolly's (Optical Bench Jolly's Photometer)

Code: PHLO0313

A thin aluminium foil is sandwiched in between two equal sized rectangular acrylic blocks fitted inside a plastic moulded block. Two eyepieces fitted on opposite sides of the block to differentiate between the light intensity of two light sources.

Interference Model

Code: PHLO0316

Two transparent acrylic plates (90x90)mm and (90x120)mm printed with pattern of concentric circles to represent wave fronts and to demonstrate the interference pattern of two waves on an overhead projector.

Microscope Compact Newton Rings

Code: PHLO0320

Specially designed microscope for use in Newton's rings experiment. It is very compact in size and economically priced. It houses an inbuilt light-reflecting unit for the experiment and the lightweight cast aluminum body has provision for positioning the Newton's rings setup. The vertical motion of the microscope through a focusing knob. Horizontal motion along a cast metal carriage with a micrometer at one end for fine adjustment and reading the horizontal position of the microscope with a LC of 0.01mm. The microscope has 75mm working distance and comes with 8× eye piece, Ramsden type with cross line graticule.

Light & Shadows Kit

Code: PHLO0324

Activities those can be performedwith this kit.
  • Formation of shadows.
  • How do shadows change through out the day?
  • Does the sun shine from the same direction at the same time each day?
  • Earth spins on its axis.
  • Do the light pass through eachmaterials?
  • Whywe use amirror?
  • Best light reflecting surfaces.
  • How can a shadow change?

Stroboscope Disc

Code: PHLO0328

A circular black colour disc with a white segment mounted on the axle of a low voltage motor fitted inside a plastic moulded case (142x80x40) mm approx. Operating voltage for the motor is 6V DC applied via. 4mm colour coded sockets. The speed of the motor may be varied with the help of the potentiometer fitted on outer side of the plastic case.

Optical Bench

Code: PHLO0332

An optical bench made of well-painted square cross sectional aluminium pipe with closed ends, fitted on two moulded supports with leveling screws. A scale graduated in millimeter fitted on the top of the optical bench. There are specially designed, easy sliding tilt proof riders with index mark for mounting various accessories, height of accessories adjustable with the help of knobs fitted in the riders. We can perform the experiments related to the fundamental of optics, such as image formation, reflection/refraction through the optical elements. Optical bench with complete accessories

Optical Bench, Aluminium Extrusion

Code: PHLO0336

An optical bench made of well-painted square cross sectional aluminium pipe with closed ends, fitted on two moulded supports with leveling screws. A scale graduated in millimeter fitted on the top of the optical bench. There are specially designed, easy sliding tilt proof riders with index mark for mounting various accessories, height of accessories adjustable with the help of knobs fitted in the riders. We can perform the experiments related to the fundamental of optics, such as image formation, reflection/refraction through the optical elements. Optical bench with complete accessories

  • 1.5m long straight anodized aluminium extrusion optical bench withscale – 1 No.
  • Special mounting platform with metal upright to support Light Box-1 No.
  • Convex lenses, 50mm diameter (of different focal lengths) – 8 Nos.
  • Concave lenses, 50mm diameter (of different focal lengths) – 4 Nos
  • Object / Image screen
  • Lens holders, plastic – 3 Nos.
  • Rotaryprismtable– 1 No.

Optical Bench Wooden, Type 1 (with all accessories mounted on metal upright for fixing on top of the riders.)

Code: PHLO0340

Comprising a long wooden baseboard about 14cm wide, with a scale graduated in millimeters. Also included are six riders mounted on free sliding bases, with index marks on one side of the base, for mounting accessories, with heights of the accessories adjustable.
Supplied completewith following accessories.
  • Lamp house with a 240V, 15W lamp – 1 No.
  • Object screen of 75mm diameter with wire gauze at the center – 1 No.
  • Holder for lenses 38mm diameter – 1 No.
  • White metal receiving screen 100×75mm with a slot for square
  • cardboard screen on the reverse – 1 No.
  • Object needle – 1 No.
  • Plane mirrormounted in a frame 100×75mm – 1 No


Sizes available are:
  • With 0-100cm scale
  • With 0-150cm scale

Optical Bench Wooden, Type 2(with all accessories on wooden stand.)

Code: PHLO0344

Comprising a long wooden baseboard about 14cm wide, with a scale graduated in millimeters. Also included are six riders mounted on free sliding bases, with index marks on one side of the base, for mounting accessories, with heights of the accessories adjustable.
Supplied completewith following accessories.

  • Lamp house with a 240V, 15W lamp – 1 No.
  • Object screen of 75mm diameter with wire gauze at the center – 1 No.
  • Holder for lenses 38mm diameter – 1 No.
  • White metal receiving screen 100×75mm with a slot for square cardboard screen on the reverse – 1 No.
  • Object needle – 1 No.
  • Plane mirrormounted in a frame 100×75mm – 1 No


Sizes available are:
  • With 0-100cm scale
  • With 0-150cm scale

Optical Bench, Meter Rule

Code: PHLO0348

  • Meter Rule – thick, graduated 0-100cm × 1mm, with permanently engraved scale.
  • Pair of Metal Supports – inverted W-shaped, for securely supporting the wooden meter rule as a base of the optical bench.
  • Lens/Mirror Support, 50mm diameter – 2 Nos.
  • Screen Support, for vertically supporting cardboard or light metal screens – 1 No.
  • Candle Holder, Single Candle – 1 No.
  • Object Marker, for use as an image in lens and mirrors experiments – 1 No.
  • Screen, rectangular white cardboard, with a millimeter screen along one edge – 1 No.

Optical Bench, Angle Profile

Code: PHLO0352

For exploring the fundamentals of optics, such as image formations, reflection / refraction through optical elements. Comprises a lightweight alloy extrusion having angular profile, about 1m long, with a scale on one side graduated in millimeters.
Complete kit includes
  • 1 Light source, 3.5V with parabolic reflector
  • 5 multipurpose holders – 40mm diameter diaphragm holder, screen holder
  • 4 convex lenses, diameter 40mm and focal lengths 25, 12.5, 10 and 5cm
  • 1 concave lens, diameter 40mm and focal length 10cm; 5 metal clips for mounting lenses in the multipurpose holders
  • 1 diaphragm with 3 holes of diameters 3, 5 and 8mm; and one object letter.
  • Specially designed multipurpose holders of light-weight, moulded plastic have bottom to sit exactly on top of the optical bench with free sliding motion and indexmark for reading the position.

Stand For Optical Bench Accessories

Code: PHLO0356

Comprising a metal pillar with a hole and lock-screw, mounted on a heavy base. An index line is engraved on one side of the base.

Radioactivity Bench

Code: PHLO0360

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

Refraction Disc

Code: PHLO0364

Ametallic 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 light box at any desired level.

Periscope

Code: PHLO0368

An optical instrument that permits the view of an otherwise obstructed field above or below the level of viewer. Comprising a Zshaped square tube with both the projecting arms having plane mirrors mounted at 45º facing each other.

Diffraction Grating

Useful for studying the spectrum. Mounted in 50×50mm slide frame. Available in resolutions.
Codes Description
PHLO0372-80 80 lines/mm
PHLO0372-100 100 lines/mm
PHLO0372-300 300 lines/mm
PHLO0372-600 600 lines/mm

Polarimeter, Laurent's Half Shade

Code: PHLO0376

For measurement of optical rotation of plane polarized light by solutions of optically active substances. Comprises of two polaroids – fixed polarizer with Laurent's Half Shade device and rotatable analyzer, mounted at the opposite ends of a tube along the same horizontal axis. The analyzer has a circular scale graduated 0-360º × 1º, along with a vernier reading to 1/10º mounted alongside for measuring the degree of rotation of analyzer with respect to the polarizer, which makes both analyzer and vernier to rotate simultaneously. Provided with locking screw to lock their motion and fine adjustment knob. The tube has a long window at the center along its length with a shutter, for placing sample tubes aligned along the axis of polarizer/analyzer with inside painted black to minimize internal reflections. Complete assembly mounted on a heavy cast metal stand with adjustable height. Includes a sample tube about 200mm long.

Pin Hole Camera

Code: PHLO0380

To illustrate images produced by small apertures. Comprising a polished wooden box with a ground glass screen at one end and a hole at the other.

Pin Hole Camera Kit

Code: PHLO0384

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.

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

Colour Filters, Mounted

Code: PHLO0388

Colour Filters, Mounted

Newton'S Ring Apparatus

Code: PHLO0392

Pair of glass plate, optically polished, one plane the other plano-convex mounted together in metal frame. Pressure between plates adjustable by three brass nickel plated screws.

Hartle's Optical Magnetic with Light Source (Reflection & Refraction Tank)

Code: PHLO0396

This apparatus is designed to Demonstrate the Law of Reflection & Refraction in optics Dia 300mm with 360° graduated scale an metal Base. Which holes magnetic light source and change the angle of light in complete with slits and optical components.

Plank's Constant Apparatus with Picoammeter

Code: PHLO0404

It is a combination of Planck’s constant apparatus, Picoammeter with set of 9 colour filters. Electrical resistance of semi conductor materials like selenium, silicon, Germanium, Cadmium Sulphide etc. decreases with the increase in the intensity of radiation falling upon the materials. A digital voltmeter fitted inside the Planck’s constant Apparatus to measure the voltage drop across the photo conductive cell. Inbuilt power supply with a potentiometer to adjust the voltage across the cell is also provided inside the instrument. A photoconductive cell fitted inside the Planck’s constant Apparatus with a provision to place the different colour filters on it.

Total Internal Reflection Apparatus

Code: PHLO0408

To demonstrate the total internal reflection in a perspex tube is form of (1) turn coil whose dia. about (120) mm; dia. of the tube in a perspex tube about (8) mm. Fitted on the wooden board with laser source.

Lamp & Stand

Code: PHLO0412

Comprising a 12 volt, 24 watts lamp in a conical lamp house mounted on an adjustable boss. The lamphouse has cut-outs on its side, giving a clear passage for the light while restricting the amount of stray illumination. The assembly is supported on a rod with a triangular cast base.

Housing Shelds With Slots

Code: PHLO0416

Used to eliminate extraneous light from the lamphouses, they are provided as a right and left handed pair of metal, in open-ended cylindrical form, open length-wise to pass over the lamphouse boss and with a slot at one end to permit the light to pass. Finished in matt black.

Slit Plate, Single, Triple & Multiple Slit Comb

Code: PHLO0420

A metal plate with single slit cut into one edge and three slits. Centres cut into the opposite edge. Finished in matt black.

Holder For Slit Plates

Code: PHLO0424

A wooden block, triangular in section with a spring slip, to hold the slit plate, attached to one face. Finished in matt black.

Object Screen

Code: PHLO0428

A circular black metal screen.

Matt White Screen

Code: PHLO0432

Made of metal and finished in white matt colour, with a cut-out in one side to locate over meter rule. Can be used in vertical or horizontal position.

Lamp

Code: PHLO0436

A 240V 15W white B.C. pygmy lamp in a conical lamp house. Mounted on a 6mm. metal rod. Supplied complete with twin flex.

Standard Reading Telescope With Scale

Code: PHLO0440

The telescope is mounted on a specially designed carriage with support ring to stop abrupt falling. The carriage is fitted with two adjustable screws for precise vertical and horizontal positioning. This arrangement is mounted on a 25mm dia. 450 mm long steel pillar, fitted on a cast iron base with leveling screws. A scale holder is provided with scale.

Travelling Microscope

Code: PHLO0444

These are designed to meet the requirements of Research, Colleges, Schools and Industrial laboratories. They are used for accurate measurement of the diameters of different objects. They are also used in Physics Laboratories for more accurate determination of small variation in the liquid levels, Manometers, the refractive index of liquids as well as in surface tension & viscosity experiments. The travelling microscope consists of a cast iron base with machined vee-top surface and is fitted with three levelling screws, one being fixed the microscopes can travel Horizontally 22 cm. and vertically 15 cms. with the help of slides. Two slow motion knobs are provided for taking accurate readings. Vernier readings 0.01 mm. or 0.02 mm. Microscope tube consists of eyepiece 10x with 15 mm. or 75 mm. Objective . For placing objects on horizontal stage, made of milky cenolite sheet is provided on the base.
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