Light (Optics) Instruments - Optical Bench, Acrylic Prism And Lens Set Of 7, Spectrometer Advanced and Spectroscope Direct Vision Supplier & Manufacturer

Sadana Brothers

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Optical Bench Acrylic Prism And Lens Set Of 7 Spectrometer Advanced Spectroscope Direct Vision Lenses Spherical, Unmounted Lens, Demonstration Set, Glass Cylindrical Lenses, Glass Power Supply For Spectrum Discharge Tubes Prisms Prism, Equilateral, Mounted Prism, Right Angle, Glass Prisms, Soda-Lime Glass Prism, Trapezoidal (45 AND 60 PRISM), Acrylic Prism, Equilateral, Glass Or Acrylic Block, Rectangular, Glass (Plate)Block, Rectangular, Acrylic Optical Pin Block, Semicircular Raybox Kit Demonstration Light Guide Lens Demonstration, Set Of Seven, Acrylic Ripple Tank Mirrors, Spherical Mirror, Flat Strips, Unmounted Mirror Holder Newton S Ring Apparatus Spectroscope, Direct Vision Periscope Stroboscope, Hand Driven, Simple Model Newton S Color Disc Color Paddles Spectrum Discharge Tubes Spectrometer, Student Diffraction Gratings Spectrometer, Advanced Spectrometer Prism, Equilateral, Glass Bursting Bottle Spare Flask Only Prisms, Equilateral, Acrylic Prisms, Equilateral, Glass Lenses, Acrylic Lens Holder, Wooden

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Light (Optics) Instruments

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We offer our clients a wide range of Light (Optics) Instruments, which include Acrylic Prism and Lens Set Of 7, Power Supply for Spectrum Discharge Tubes, Spectrometer Advanced and Spectroscope Direct Vision. These are used to wither process light waves to enhance an image for viewing, or analyze. The lenses are available in various thicknesses and diameters as per the application requirements of our clients.

Optical Bench

Optical Bench

Item Code : 3315-51

supporting feet.
The equipment consists of the following
6 Riders
1 Bulb Holder
1 Candle Holder
1 Plain Glass
1 Lens Double Convex f.l. 200mm
1 Lens Double Concave f.l. 150mm
1 Lens Double Convex f.l. 500mm
1 Slit Arrow
2 Lens Holders Round Disc
1 Slide Holder (can also be used as a lens
holder)

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Acrylic Prism And Lens Set Of 7

Item Code : 3355-05

Consists of the following blocks. Each has a thickness of 25mm and size 70mm. In a wooden case.

Bi- Concave
Bi-Convex
Rectangular
Semi-circular
Triangle Equilateral
Triangle Right angle ( 90°-45°-45°)
Triangle Right angle ( 90°-60°-30°)

Acrylic Prism And Lens Set Of 7

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Spectrometer Advanced

Spectrometer Advanced

Item Code : 3381

Similar to 3380-00 but with enhanced features for obtaining better quantitative results. Consists of a heavy cast base and a pillar for collimator support. The telescope arm moves along a fixed circular plate 150mm diameter graduated in degrees. This plate has a double ended vernier for better and accurate measurements, with a least count of 30". Fine adjustment is accomplished by using a knob while the coarse adjustment can be done by hand. Both the collimator and the telescope are mounted with an axis adjustment system. The telescope has a 10X Ramsden eyepiece and is fitted with a cross hair reticle. Both the telescope and the collimator are fitted with coated achromatic objectives of 178mm focal length and 32mm diameter, providing light for a brighter and sharper image. The focussing is done by a concealed rack and pinion. The collimator slit 6mm long, is specially designed for retention of initial accuracy during the life of the instrument. The prism table 75mm diameter is held with the help of a clamping screw enabling the table to be rotated in any direction. It has lines and concentric rings marked to assist positioning of prism in relation to levelling screws. It is fitted with a diffraction grating holder of aperture 25mm x 25mm and a clamp for holding prisms upto 38mm high.

Provided with a magnifying eye glass to read the vernier, tommy bar for axis adjustment and flannel cloth. Supplied in a wooden box.

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Spectroscope Direct Vision

Item Code : 3372

For quantitative examination of spectral composition of white light, radiant bodies etc.

Comprises a metal draw-out tube of 20mm diameter, with an adjustable slit at one end. The light passing through this slit falls on the prism elements and break up into a spectrum. This can be viewed through an eye piece at the other end of the tube. Fully drawn-out length is 130mm. Supplied in a wooden box.

Spectroscope Direct Vision

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Lenses Spherical, Unmounted

Lenses Spherical, Unmounted

Item Code : 3305

Made of polished glass with ground edges.
Bi-convex lens: Magnifying or condensing lenses, with two outward
curving symmetrical faces.

Diameter	Focal Length(+)	Cat. No.
38mm	50mm	3305-01
	100mm	3305-02
	150mm	3305-04
	200mm	3305-05
	300mm	3305-07
	500mm	3305-08
	1000mm	3305-09
50mm	50mm	3305-21
	100mm	3305-22
	150mm	3305-24
	200mm	3305-25
	250mm	3305-26
	300mm	3305-27
	500mm	3305-28
	1000mm	3305-29
75mm	175mm	3305-41
	200mm	3305-45

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Lens, Demonstration Set, Glass

Item Code : 3313

For showing the most important types of lenses. Optically true with ground glass edges. Includes one each of double convex, plano-convex, double concave, plano-concave, concavoconvex and convexo-concave lens arranged in a plastic case.

Diameter	38mm	50mm
Cat No.	3313-01	3313-02

Lens, Demonstration Set, Glass

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Cylindrical Lenses, Glass

Cylindrical Lenses, Glass

Item Code : 3318

To focus light along a straight line. Useful for looking at full paths of ‘rays’ on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp.

Made of optically true glass with polished faces and ground edges.
Surfaces follow the sides of cylinder(s). Beveled edges.

Dimensions: (h x w), 50mm x 45mm
Power 7D (focal length ~143mm)

Bi-convex	3318-01
Bi-concave	3318-02
Plano-concave	3318-04
Plano-convex	3318-03

Power 14D (focal length ~72mm)

Bi-convex	3318-11
Bi-concave	3318-12
Plano-concave	3318-13
Plano-convex	3318-14

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Power Supply For Spectrum Discharge Tubes

Item Code : 3376-00

Specially designed power supply to safely run spectrum discharge tubes of length approximately 26cm. Encased in a metal body. Spring loaded with clips to connect the tubes securely.

Power Supply For Spectrum Discharge Tubes

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Prisms

Prisms

Prisms have several uses in optical systems. For example they can deviate a ray, disperse white light into the visible spectrum or erect an inverted image. Right angle prisms 90º-45º-45º are used for accomplishing a 90º bend due tototal internal refl ection. Depending on the mode of incidence of light on the inclined face, this prism may have an inverting effect with or without deviation.

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Prism, Equilateral, Mounted

Item Code : 3331

An optical glass prism mounted on a stand with adjustable height. The prism can be rotated on its own axis by 180º or locked at an angle. Prism dimensions:

Face	Length	Cat. No.
25mm	75mm	3331-03
25mm	100mm	3331-04

Prism, Equilateral, Mounted

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Prism, Right Angle, Glass

Prism, Right Angle, Glass

Item Code : 3334

For measuring critical angle and observing total internal refl ection.
Made of clear optical glass.

Angles 90º-45º-45º. Approximate dimensions are:

Face	Length	Cat. No.
35mm	25mm	3334-02
35mm	50mm	3334-04

Angles (90º-60º-30º)

Face	Length	Cat. No.
37mm	32mm	3335-01
38mm	38mm	3335-09

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Prisms, Soda-Lime Glass

Item Code : 3336

Relatively inexpensive prisms for the students These are molded from soda-lime glass and may have
waves and small bubbles. The sizes are approximate only.

Equilateral prisms

Face	Length	Cat. No.
38mm	38mm	3336-01
50mm	50mm	3336-02

Right angle prism (90º-45º-45º)

Face	Length	Cat. No.
50mm	50mm	3337-01
38mm	38mm	3337-02

Prisms, Soda-Lime Glass

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Prism, Trapezoidal (45 AND 60 PRISM), Acrylic

Prism, Trapezoidal (45 AND 60 PRISM), Acrylic

Item Code : 3351-02

For studying the laws of optics. Made of 15mm thick and 32mm wide with two parallel sides 90mm and 40mm long at angles of 45º and 60º . One large surface is frosted enabling to follow the path of light.

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Prism, Equilateral, Glass Or Acrylic

Item Code : 3340

For index of refraction experiments

Side	Thickness	Cat. No. Plate Glass	Cat. No. Acrylic
Side	Thickness	Cat. No. Plate Glass	Cat. No. Acrylic
63mm	10mm	3340-02	3342-02
75mm	10mm	3340-04	3342-04
25mm	12mm	3340-06	3342-06
50mm	20mm	3340-08	3342-08

Prism, Equilateral, Glass Or Acrylic

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Block, Rectangular, Glass (Plate)

Block, Rectangular, Glass (Plate)

Item Code : 3345

To verify the laws of refraction.

Dimensions: (I x w x h),

114 x 63 x 18mm. Polished on all sides	3345-01
100 x 63 x 18mm. Polished on all sides	3345-03
125 x 65 x 18mm. Polished on all sides	3345-05
70 x 70 x 10mm. With opposite edges frosted and the other two polished	3345-07
	3345-07

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Block, Rectangular, Acrylic

Item Code : 3349

Dimensions: (I x w x h)

100 x 75 x 20mm. Polished on all sides	3349-02
79 x 27 x 13mm. One face frosted	3349-04
70 x 70 x 9mm. Two opposite edges frosted and the other two polished	3349-06

Block, Rectangular, Acrylic

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Optical Pin

Optical Pin

Item Code : 3345-95

For optical experiments sold in pack of 100.

Size	Type	Cat. No.
37 mm	Steel	3345-95
50 mm	Brass	3345-97
75 mm	Steel	3345-96

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Block, Semicircular

Item Code : 3353

Diameter 75mm and thickness 12mm

Glass	3353-01
Acrylic	3353-02

Diameter 60mm and thickness 15mm.

Made of Acrylic, with one frosted surface

Block, Semicircular

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Raybox Kit

Raybox Kit

Item Code : 3355-50

Consists of a 12V vertical bulb, in a holder through top of the box. A cylindrical, concave lens, which can create divergent, convergent, or parallel rays, as required, is suspended in front of the bulb and can be moved to-and-fro for focus and in position by a tightening screw on top of the box. Other end of box has triple aperture system. Hinged windows along the sides of the box have mirror surface on their insides, useful for color-mixing experiments. All windows in the box have vertical channels inside and outside to hold slit plates and color filters. A 1.5m electric cord with banana plugs is included. Box size 16.5 L x 7 W x 6cm H, matte-black finish. With instructions. Optical Accessories set for light box (included):

A. Five Perspex blocks, free of optical imperfections and sharp
edges: 1 rectangle, 1 triangle 600-600-600, 1 triangle 900-600-300, 1 triangle 900-450-450, and 1 semi circle.

B. Three Perspex, cylindrical lenses: 1 double convex, and 1 double concave, both with the same radius of curvature; and 1 thick double convex.

C. Three mirrors, freestanding: 1 plane (mounted), 1 semi-circular metallic, and 1 parabolic.

D. Two slit plates, metal, matte-black: one with three narrow slits at one end, and one narrow slit at the other; the other with four narrow slits at one end, and one wider slit at the other.

E. Eight color filters, mounted: 3 primary and 5 secondary colors.

F. Eight color cards, mounted.

G. Spare bulb, 12V.

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Demonstration Light Guide

Item Code : 3355-20

An S-shape acrylic bar 220x15x15mm, which can be used to demonstrate total internal refl ection and help students to understand the principles of optical communications. The bottom of the bar is painted white to aid visibility.

Demonstration Light Guide

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Lens Demonstration, Set Of Seven, Acrylic

Lens Demonstration, Set Of Seven, Acrylic

Item Code : 3355-01

For seeing the refl ection and bending of light as it passes through lenses and prisms. Phenomenon of refraction and internal refl ection is also easily visualised. The base surfaces are painted white for easy visibility of a ray of light. Thickness of the blocks is 10mm except for the last two items noted below. Set includes the following:

Bi-convex lens 90mm long
Bi-concave lens 90mm long
Semicircular lens 93mm diameter
Trapezoidal block 85 and 30mm opposite faces
Right angle prism 100mm hypotenuse
Right angle prism 32mm hypotenuse and 50mm long
Equilateral prism 25mm face and 50mm long

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Ripple Tank

Item Code : 3357-00

To demonstrate the properties of wave motion and effects of
refl ection, refraction and interference. The tank is of plastic and has
a clear acrylic base.

The kit contains

1 Ripple tank 400mm x 400mm with legs and lamp support
1 Ripple bar with two plastic dippers
2 Springs to support the ripple bar
1 Hand stroboscope
1 Halogen lamp 12V 25W
1 Convex lens
1 Concave lens
1 Rectangular block
1 Curved refl ector
1 Small barrier
2 Large barrier

Ripple Tank

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Mirrors, Spherical

Mirrors, Spherical

Item Code : 3360

For basic experiments in optics. Made of optically true glass, with
protected silver coating.

Concave Mirrors

Diameter	Focal Length	Cat. No.
38mm	100mm	3360-01
	150mm	3360-02
	200mm	3360-03
	250mm	3360-04
	300mm	3360-05
	500mm	3360-06
	1000mm	3360-07
50mm	100mm	3360-21
	150mm	3360-22
	200mm	3360-23
	250mm	3360-24
	300mm	3360-25
	500mm	3360-26
	1000mm	3360-27
75mm	100mm	3360-41
	150mm	3360-42
	200mm	3360-43
	250mm	3360-44
	300mm	3360-45
	500mm	3360-46
	1000mm	3360-47

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Mirror, Flat Strips, Unmounted

Mirror, Flat Strips, Unmounted

Item Code : 3366

For verifying the laws of refl ection and other experiments, in optics

Length x width	Glass Cat. No.	Plastic Cat. No.
25 x 75mm	3366-01	3366-21
40 x 150mm	3366-02	3366-22
50 x 75mm	3366-03	3366-23
75 x 75mm	3366-04	3366-24
75 x 100mm	3366-05	3366-25
100 x 100mm	3366-06	3366-26
100 x 150mm	3366-07	3366-27

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Mirror Holder

Item Code : 3366-80

Hardwood cube with slot to hold mirror strip vertically. Side 32mm.

Mirror Holder

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Newton S Ring Apparatus

Newton S Ring Apparatus

Item Code : 3370-00

For studying interference fringes due to sunlight or monochromatic light. Consist of a plano-convex lens, diameter 60mm, and an optically polished (worked) fl at glass plate mounted on a ring metal pressure frame with three compression adjusting screws for proper centering of concentric circular Newton rings.

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Spectroscope, Direct Vision

Item Code : 3372-00

For quantitative examination of spectral composition of white light, radiant bodies etc. Comprises a metal draw-out tube of 20 mm diameter, with an adjustable slit at one end. The light passing through this slit falls on the prism elements and break up into a spectrum. This can be viewed through an eye piece at the other end of the tube. Fully drawnout length is 130mm. Supplied in a wooden box.

Spectroscope, Direct Vision

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Periscope

Periscope

Item Code : 3364-20

Periscopes, including this one, can help you see around barriers. But what if you want to see something behind you? Submarine periscope operators walk in circles, turning the whole periscope. Why not just rotate the top mirror? Try it with this rotating periscope, and you’ll see that the image of everything behind you is upside-down! An elegant demonstration of basic plane mirror reflection, this is also a great way to test student understanding of image formation.

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Stroboscope, Hand Driven, Simple Model

Item Code : 3374-00

For optically slowing or completely “stopping” any object in motion and for “measuring” the frequency of periodic motion. Consists of a black metal disk of 250mm diameter with 12 evenly spaced radial slits extending to its edge, an axis hole for mounting a handle and a finger hole. Handle and mounting screw are included.

Stroboscope, Hand Driven, Simple Model

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Newton S Color Disc

Newton S Color Disc

Item Code : 9496

Demonstrates that white light is composed of seven colors by rotating hand-driven wheel. Constructed of sturdy metal.

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Color Paddles

Item Code : 9994

Demonstrate the principles of color mixing with this set of 6 clear colored plastic paddles.

Set of 6	9994-06
Set of 18	9994-18

Color Paddles

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Spectrum Discharge Tubes

Spectrum Discharge Tubes

Item Code : 3376

To show spectral lines of pure substances. Mercury and Helium tubes can be used as sources for experiments on the measurement of wave length of light. The gas pressure used results in well-defined emission spectra. These are glass tubes about 26cm long, central capillary portion about 9-10cm long with electrodes sealed at both ends and connected to lead wires protected by metal caps. Provided with loops welded to caps for electrical connection. Needs an induction coil 5cm spark, or a suitable transformer. Except for Neon and Helium, these can not be used as lamps. Length of capillary portion can be varied as required. For intermittent use.

Type	Cat. No.
Air	3376-01
Argon gas	3376-02
Carbon Dioxide	3376-03
Chlorine gas	3376-04
Helium gas	3376-05
Hydrogen gas	3376-06
Iodine	3376-07
Krypton gas	3376-08
Mercury Vapor	3376-09
Neon gas	3376-10
Nitrogen gas	3376-11
Oxygen gas	3376-12
Xenon	3376-13
Bromine	3376-14

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Spectrometer, Student

Item Code : 3380-00

For introducing students to principal type of spectra, determination of wavelength, frequency of emitted light and for quantitative spectrometric measurement of angle of prism, refractive index of the prism material etc. Comprised of a cast base with an integral fixed pillar for the collimator support and a swinging telescopic arm. Both the collimator and the telescope are fitted with an axis adjustment system. The moving telescope arm with a spring loaded vernier moves smoothly over a machine engraved degree plate of diameter 180mm and is graduated 0-360º x 1. The vernier reads to 0.1º or 6 seconds and allows students to estimate angular positions to 0.05º. Fine adjustment is provided. The collimator and the telescope tubes are fitted with optically coated achromatic objectives of diameter 25mm and have a concealed helical action focusing device. The 10X Ramsden eyepiece has a cross hair reticle. The prism table, diameter 75mm is levelled by three knurled knobs. It is fitted with a diffraction grating holder of aperture 25 x 25mm and a clamp for holding a prism up to 38mm high. Provided with a magnifying eye glass and a tommy bar for axis adjustment but without prism or diffraction grating. Supplied in a cardboard box.

Spectrometer, Student

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$Diffraction Gratings$

Diffraction Gratings

Item Code : 4309

A replicate grating pressed between clear glass plates. Ideal for classroom demonstration.

Size 50mm x 50mm.
View area: 25mm x 25mm.

Lines/mm	Cat. No.
100	4309-01
300	4309-02
600	4309-03

Size 60mm x 45mm.
View area: 45mm x 30mm.

Lines/mm	Cat. No.
300	4309-04
600	4309-05
1200	4309-06

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Spectrometer, Advanced

Item Code : 3381-00

Similar to 3380-00 but with enhanced features for obtaining better quantitative results. Consists of a heavy cast base and a pillar for collimator support. The telescope arm moves along a fixed circular plate 150mm diameter graduated in degrees. This plate has a double ended vernier for better and accurate measurements, with a least count of 30”. Fine adjustment is accomplished by using a knob while the coarse adjustment can be done by hand. Both the collimator and the telescope are mounted with an axis adjustment system. The telescope has a 10X Ramsden eyepiece and is fitted with a cross hair reticle. Both the telescope and the collimator are fitted with coated achromatic objectives of 178mm focal length and 32mm diameter, providing light for a brighter and sharper image. The focussing is done by a concealed rack and pinion. The collimator slit 6mm long, is specially designed for retention of initial accuracy during the life of the instrument. The prism table 75mm diameter is held with the help of a clamping screw enabling the table to be rotated in any direction. It has lines and concentric rings marked to assist positioning of prism in relation to levelling screws. It is fitted with a diffraction grating holder of aperture 25mm x 25mm and a clamp for holding prisms upto 38mm high. Provided with a magnifying eye glass to read the vernier, tommy bar for axis adjustment and flannel cloth. Supplied in a wooden box.

Spectrometer, Advanced

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Spectrometer Prism, Equilateral, Glass

Spectrometer Prism, Equilateral, Glass

Item Code : 3384

An important accessory for college level spectrometry work.

Dimensions: (face x height), 32 x 32mm. Individually packed.

Crown Glass	R.I. - 1.52	3384-02
Dense Flint Glass	R.I. - 1.65	3384-01

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Bursting Bottle Spare Flask Only

Item Code : 3309

Bi-Concave lens: Used for reducing the size or spreading out light,
with two inward curving symmetrical faces.

Diameter	Focal Length(-)	Cat. No.
38mm	50mm	3309-01
	100mm	3309-02
	150mm	3309-04
	200mm	3309-05
	300mm	3309-07
	500mm	3309-08
	1000mm	3309-09
50mm	50mm	3309-21
	100mm	3309-22
	120mm	3309-23
	150mm	3309-24
	200mm	3309-25
	300mm	3309-27
	500mm	3309-28
	1000mm	3309-29
75mm	175mm	3309-41
	200mm	3309-45

Bursting Bottle Spare Flask Only

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Prisms, Equilateral, Acrylic

Prisms, Equilateral, Acrylic

Item Code : 3328

For experiments in dispersion and refraction of light.

Face	Length	Cat. No.
25mm	25mm	3328-01
25mm	50mm	3328-02
25mm	75mm	3328-03
25mm	100mm	3328-04
25mm	150mm	3328-06

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Prisms, Equilateral, Glass

Item Code : 3329

Made of clear optical glass.

Face	Length	Cat. No.
25mm	25mm	3329-01
25mm	50mm	3329-02
25mm	75mm	3329-03
25mm	100mm	3329-04
25mm	150mm	3329-05

Prisms, Equilateral, Glass

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Lenses, Acrylic

Lenses, Acrylic

Item Code : 3352

Dimensions: 90mm long and 15mm thick plate. Bottom surface is frosted.

Bi-convex (center width 25mm)	3352-01
Bi-concave (center width 18mm)	3352-02

Dimensions: 60mm long and 12mm thick. Bottom surface and both edges are frosted.

Double convex (center width 14mm)	3352-03
Double concave (center width 5mm)	3352-04
Plano-convex (center width 11mm)	3352-05
Plano-concave (center width 5mm)	3352-06

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Lenses Spherical, Unmounted

Diameter	Focal Length	Cat. No.
38mm	50Mm	3305-01
	100mm	3305-02
	150mm	3305-04
	200mm	3305-05
	300mm	3305-07
	500mm	3305-08
	1000mm	3305-09
50mm	50mm	3305-21
	100mm	3305-22
	150mm	3305-24
	200mm	3305-25
	250mm	3305-26
	300mm	3305-27
	500mm	3305-28
	1000mm	3305-29
75mm	175mm	3305-41
	200mm	3305-45

Lenses Spherical, Unmounted

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Lens Holder, Wooden

Lens Holder, Wooden

Item Code :3364-21

Can hold lens upto 75mm diameter.

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Contact us

Mr. Rohit Sadana (Manager)
A - 8 / 1, Naraina Industrial Area, Phase - 1
New Delhi, Delhi - 110 028, India
Telephone: +(91)-(11)-45578082/ 45578083

Contact via E-mail

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