Koyo Co., Ltd.'s Company Profile and Products

■High output efficiency and high brightness collimation A standard type collimated marker that provides collimated light. ■Pro...

• Light Sources

• Laser Light Sources

$240.50

A high-precision product with high output efficiency and highly circular comely and light. ■Product features ・Collimated ligh...

• Light Sources

• Laser Light Sources

$281.45

This is a short line marker that is easy to use over long distances by keeping the line pattern length as short as possible. ■...

• Light Sources

• Laser Light Sources

$226.85

■Standard product of line marker Clear line irradiation possible ■Product features ・Using a glass aspherical lens and rod len...

• Light Sources

• Laser Light Sources

$265.85

A high-brightness line marker that provides a point of light in the center of the line. ■Product features - A point light can ...

• Light Sources

• Laser Light Sources

$282.10

This is a short line marker that is easy to use over long distances by keeping the line pattern length as short as possible. ■...

• Light Sources

• Laser Light Sources

$296.40

A high-brightness line marker that uses short lines and effectively utilizes laser light. ■Product features ・It is possible t...

• Light Sources

• Laser Light Sources

$304.20

A single line marker enables irradiation of cross lines (symmetrical) with good perpendicular accuracy. ■Product features ・Le...

• Light Sources

• Laser Light Sources

$334.75

This is a laser marker that has high output efficiency and can provide high-brightness green laser light. ■Product features ・...

• Light Sources

• Laser Light Sources

$390.00

This is a point tool for presentations at conferences and lectures, and a laser tool that can be used for positioning on site. ...

• Light Sources

• Laser Light Sources

$150.15

A technology that uses interference phenomena to record a nearly perfect image on a photosensitive medium is called a hologram,...

$573.95

A technology that uses interference phenomena to memorize a nearly perfect image on a photosensitive medium is called a hologra...

$62.40

A technology that uses interference phenomena to memorize a nearly perfect image on a photosensitive medium is called a hologra...

$37.70

A technology that uses interference phenomena to memorize a nearly perfect image on a photosensitive medium is called a hologra...

$52.00

■IR sensor card When it receives infrared rays (IR) from a laser or LED, it emits visible light according to the wavelength ban...

$195.65

■IR infrared sensor seal It is used to identify infrared light that is invisible to the naked eye as visible light. Adhesive is...

$195.65

■UV (ultraviolet) sensor card Forstner for UV sensors can down-convert ultraviolet light into visible light. Forstner for UV se...

$195.65

Plano-convex lenses (PCX) have a positive focal length and are primarily used for image magnification and light focusing applic...

• Optical Components

• Optical Lens

$33.80

Double-convex lenses (DCX) have a positive focal length and are primarily used for image magnification and light focusing appli...

• Optical Components

• Optical Lens

$26.00

Turning parallel rays into diffused rays, it looks just like a diffused ray emanating from a point ray at the focal point of a ...

• Optical Components

• Optical Lens

$20.80

■Basic properties: concave lens A lens that diverges light, contrary to a convex lens, is called a concave lens. Depending on t...

• Optical Components

• Optical Lens

$19.50

Turning parallel rays into diffused rays, it looks just like a diffused ray emanating from a point ray at the focal point of a ...

• Optical Components

• Optical Lens

$103.35

Turning parallel rays into diffused rays, it looks just like a diffused ray emanating from a point ray at the focal point of a ...

• Optical Components

• Optical Lens

$20.80

Excellent transmission properties from near ultraviolet to near infrared, suitable for a wide range of applications including h...

• Optical Components

• Optical Lens

$115.05

■Basic properties: concave lens A lens that diverges light, contrary to a convex lens, is called a concave lens. Depending on t...

• Optical Components

• Optical Lens

$19.50

Achromatic lenses combine a positive lens made of a material with low dispersion and a negative lens made of a material with hi...

• Optical Components

• Optical Lens

$77.35

It is used to efficiently focus light, and a lens with a short focal length relative to its aperture is usually effective.

• Optical Components

• Optical Lens

$18.20

A Fresnel lens is an optical element with a special shape that was invented by Frenchman Augustin Jean Fresnel.It is a lens tha...

• Optical Components

• Fresnel Lenses

$35.10

A Fresnel lens is an optical element with a special shape invented by the Frenchman Augustin Jean Fresnel. This is a lens that ...

• Optical Components

• Fresnel Lenses

$28.60

A Fresnel lens is an optical element with a special shape invented by the Frenchman Augustin Jean Fresnel. This is a lens that ...

• Optical Components

• Fresnel Lenses

$115.70

A Fresnel lens is an optical element with a special shape invented by the Frenchman Augustin Jean Fresnel. This is a lens that ...

• Optical Components

• Fresnel Lenses

$84.50

A Fresnel lens is an optical element with a special shape invented by the Frenchman Augustin Jean Fresnel. This is a lens that ...

• Optical Components

• Fresnel Lenses

$148.85

A Fresnel lens is an optical element with a special shape invented by the Frenchman Augustin Jean Fresnel. This is a lens that ...

• Optical Components

• Fresnel Lenses

$24.70

A Fresnel lens is an optical element with a special shape invented by the Frenchman Augustin Jean Fresnel. This is a lens that ...

• Optical Components

• Fresnel Lenses

$37.70

A Fresnel lens is an optical element with a special shape invented by the Frenchman Augustin Jean Fresnel. This is a lens that ...

• Optical Components

• Fresnel Lenses

$58.50

A Fresnel lens is an optical element with a special shape invented by the Frenchman Augustin Jean Fresnel. This is a lens that ...

• Optical Components

• Fresnel Lenses

$61.75

A Fresnel lens is an optical element with a special shape invented by the Frenchman Augustin Jean Fresnel. This is a lens that ...

• Optical Components

• Fresnel Lenses

$83.20

Select representative items among optical lenses and prisms for teaching materials. Although this product was created as a tea...

• Optical Components

• Optical Prisms

$84.50

Double-sided adhesive sheet (tape) General adhesive films and adhesives themselves have a phase, which changes the phase of pol...

• Adhesives & Repair Materials

• Adhesive Tapes

$42.25

Optical tissue made from rayon tanko in the form of a sheet similar to paper. Special paper that contains no impurities and doe...

• Cleaning Agents & Equipment

• Cloths

$37.70

■High-precision non-reflective interior material Acktar black It is a non-reflective optical performance material sheet develop...

• Agricultural Materials

• Shade Sheets

$120.25

■Black non-reflective rasha paper The black velvet-like surface is a non-reflective optical material that absorbs light, and ha...

• Agricultural Materials

• Shade Sheets

$37.05

■High-performance objective lens Manufactured by Beck This high-performance objective lens, formerly known as the Beck Ealling ...

• Optical Components

• Industrial Lenses

$2,385.50

*Due to the conflict in Ukraine, the procurement of parts for this product has been delayed, and the delivery time is currently...

• Machining / Machine Tools

• Plasma Processing Equipment

$1,612.00

■Tesla coil TESLA COIL High Frequency High Voltage Generator The Tesla Coil, invented by the Hungarian Nikola Tesla, is a reson...

• Machining / Machine Tools

• Plasma Cleaning Systems

$520.00

The Van de Graff electrostatic generator was invented in 1929 by American R. By storing static electricity inside, a very stron...

• Generators

• Voltage Generators

$330.85

A simple spectroscope with a wavelength range of 400 to 700 nm, ideal for viewing wavelengths of flames and gas spectrum tubes ...

• Measuring Equipment

• Spectroscopes

$30.55

A palm-sized, ultra-lightweight CCD camera microscope. The lens and CCD camera body are integrated, and you can easily observe ...

• Observation Equipment

• Video Microscopes

$292.50

*The delivery time for this product is currently very long due to difficulties in sourcing parts due to the conflict in Ukraine...

$106.60

*Currently, the delivery time for this product is very long, so please be aware of this when ordering. ■Power supply for spect...

• Power Supplies

• DC Power Supplies

$429.00

■Summary A symphony of powerful light reminiscent of lightning in the night sky, the plasma emitted from the center toward the ...

• Machining / Machine Tools

• Plasma Cleaning Systems

$58.50

■Plasma ball A symphony of powerful lights reminiscent of lightning in the night sky, works that can only be seen at science mu...

• Machining / Machine Tools

• Plasma Cleaning Systems

$91.00

■Small, powerful permanent magnet (made in the UK) Strong permanent magnets made of Alnico and Alcomac. (Alcomax is a material ...

• Magnetic Materials

• Alnico Magnets

$6.50

This is a spectrometer that measures wavelengths within visible light, and is ideal for school teaching materials.It is ideal f...

• Measuring Equipment

• Spectroscopes

$129.35

■Electro Magnet An electromagnet is a magnet that temporarily generates magnetic force by winding a coil around a core of magne...

$99.45

This is a ROSCO color filter with excellent moisture resistance, heat resistance, and color absorption. This product has all co...

$13.00

With a protective film of SiO overcoat on the aluminum coat. Reflectance of over 86% over the entire visible spectrum. Waveleng...

• Building Materials

• Mirror Glass

$6.50

With a protective film of SiO overcoat on the aluminum coat. Reflectance of over 86% over the entire visible spectrum. Waveleng...

• Building Materials

• Mirror Glass

$24.70

Substrate optical glass, back surface is rough. With SiO protective film after aluminum vapor deposition. Dimensions ±0.2mm, th...

• Building Materials

• Mirror Glass

$14.95

Substrate optical glass, back surface is rough. With SiO protective film after aluminum vapor deposition. Dimensions ±0.2mm, th...

• Building Materials

• Mirror Glass

$19.50

Aluminum vapor deposited on high quality Pyrex substrate. On top of that, an overcoat of SiO or MgF2 is applied. Aℓ＋SiO (350-...

• Building Materials

• Mirror Glass

$102.70

Substrate optical glass. After aluminum vapor deposition, with SiO protective film (surface). Rough scratches on the back.

• Building Materials

• Mirror Glass

$22.75

■Large acrylic concave mirror (back mirror) Our original optical product is a high performance large concave mirror made of opt...

• Building Materials

• Acrylic Mirrors

$107.25

■Large parabolic reflector A large precision-polished aluminum reflector (mirror curve is radiation) designed for solar energy ...

• Building Materials

• Aluminum Mirrors

$99.45

■3D MIRROR (DESK TOP・GIANT SIZE) If you place a small object such as a coin on the bottom, it will float as if it were directl...

• Building Materials

• Acrylic Mirrors

$130.00

■Temperature-sensitive liquid crystal sheet The temperature zone-specific liquid crystal sheet is divided into 7 temperature zo...

$77.35

■Thermosensitive LCD sheet temperature zone set It is an ideal material for observing temperature changes and chemical reaction...

$91.65

■LCD light shutter film When a voltage of 100VAC is applied, the screen becomes transparent (ON) and when the voltage is remove...

$23.40

■Precision pinhole A copper foil board (Cu) with mount Precision pinholes are optical products used in physical optics, laser t...

$238.55

■Precision pinhole B stainless steel substrate (ST) Precision pinholes are optical products used in physical optics, laser tech...

$135.85

■Precision pinhole D copper foil board with gold coating Precision pinholes are optical products used in physical optics, laser...

$306.54

■Precision pinhole Acktar black This is an optical product that applies Acktar's black coating technology, which has a reputati...

■Precision slit When monochromatic light passes through a sufficiently narrow slit and hits a screen, diffraction causes the li...

$334.10

■Precision slit When monochromatic light passes through a sufficiently narrow slit and hits a screen, diffraction causes the li...

$334.10

■Precision slit When monochromatic light is passed through a sufficiently narrow slit and hit a screen, diffraction causes the ...

$306.54

■Precision slit Acktar black This is an optical product that applies Acktar's black coating technology, which has a reputation ...

■Complete shielding (0 aperture) possible The aperture size can be adjusted continuously (stepless), and it is widely used for ...

$91.00

■High performance iris diaphragm SHAM V series The aperture can be adjusted continuously (stepless), and it is widely used for ...

$36.40

■High performance iris diaphragm SAHM S series It features continuous (stepless) aperture adjustment of the frontage size, and ...

$48.75

■Product specifications ・Case material: Brass ・Aperture blades made of glossy steel ・Open and close the aperture using a met...

$107.25

■Summary As the light travels, it causes a diffraction phenomenon that hits the edges of obstacles and is broken down into spec...

• Optical Components

• Diffraction Grating

$13.00

■Diffraction grating It utilizes light diffraction and is used for spectroscopy, wavelength selection, and light polarization. ...

• Optical Components

• Diffraction Grating

$99.45

■Diffraction grating It utilizes light diffraction and is used for spectroscopy, wavelength selection, and light polarization. ...

• Optical Components

• Diffraction Grating

$99.45

■Transmission type diffraction grating 2-1 low grating frequency type In order to obtain high-order diffraction output, the gra...

• Optical Components

• Diffraction Grating

$217.75

■Transmission type diffraction grating 2-2 high grating frequency type Unlike general transmission diffraction gratings (low gr...

• Optical Components

• Diffraction Grating

$130.00

■Reflection type diffraction grating 1-4 Holographic type without blazed A master is created by recording the interference wave...

• Optical Components

• Fiber Bragg Gratings

$120.90

■Reflection type diffraction grating grating 1-3 blazed high resolution primary echelette type First of all, in order to obtain...

• Optical Components

• Diffraction Grating

$273.00

■Reflection type diffraction grating 1-2 blazed-high resolution primary echelette type A high-resolution diffraction grating ma...

• Optical Components

• Diffraction Grating

$133.25

■Wavelength plate (quartz phase plate) multi-order 1/4 wavelength plate (λ/4 plate) ・1/2 phase plate (λ/2 plate) Gives a phase...

• Optical Components

• Waveplates

$260.00

■Wave plate (quartz phase plate) zero order 1/4 wavelength plate (λ/4) ・1/2 wavelength plate (λ/2) Gives a phase difference to...

• Optical Components

• Waveplates

$499.85

■1/4 wavelength plate The newly introduced 1/4-wave plate gives a phase difference to linearly polarized light.If the slow and ...

• Optical Components

• Waveplates

$97.50

■1/1 Wave plate Sensitive color plate Distortion in glass and plastic products can be measured using photoelasticity. ■Feature...

• Optical Components

• Waveplates

$17.55

■Film polarizing filter (linear polarizing type 41) Neutral gray color, linear polarizing filter with white transmittance of 41...

• Filters

• Optical Filters

$201.50

■Film polarizing filter (linear polarizing type 40) Neutral gray color, linear polarizing filter with white transmittance of 42...

• Filters

• Optical Filters

$185.25

■Dye-based linear polarizing filter (HCPD-40) This is a dye-based ultra-high temperature polarizing filter that can withstand u...

• Filters

• Optical Filters

$279.50

■Circular polarizing filter (CP-R clockwise, CP-L counterclockwise) A circular polarizing filter consists of a linear polarizin...

• Filters

• Optical Filters

$214.50

■It is a resin film-based wire grid polarizing film. Due to the polarization separation using metal nanowires, it has high pola...

• Filters

• Optical Filters

$221.65

■Glass polarizing filter for visible range (linear polarization type) This filter extracts only a specific polarized light comp...

• Filters

• Optical Filters

$29.25

A high-performance linear polarizing filter that can be used in the near-infrared region of 750-850nm and 860-2,000nm. The pola...

• Filters

• Optical Filters

$146.90

■Polariscope (distortion inspection device) Detects internal distortions in liquids, liquid crystals, plastic, glass, jewelry, ...

$1,527.50

■Infrared viewer (A) 84499 series ・Handheld standard type ・Handheld and compact infrared viewer that visualizes near-infrared...

• Cameras

• Near Infrared (NIR) Cameras

■Infrared viewer (B) 85100 series ・Compact infrared viewer with infrared LED light source ・Wavelength range: 350-1,350nm The...

• Cameras

• Near Infrared (NIR) Cameras

■FIND-R-SCOPE Wavelength 350-1,350nm The helmet-mounted type has the same basic specifications as the hand-held type, with the ...

• Cameras

• Near Infrared (NIR) Cameras

■Infrared viewer microscope mounting type 84530 series By removing the microscope's eyepiece and the objective lens of this inf...

• Cameras

• Near Infrared (NIR) Cameras

■UV UV viewer (F) 83500 series Visualizes short wavelengths from 180nm and UV wavelength bands. By replacing the IR filter, UV ...

• Cameras

• Near Infrared (NIR) Cameras

■SPF test package 2nd Step 601-300 UV light in sunlight is selected and artificially created and output from 6 irradiation mult...

• Light Sources

• UV Curing Systems

■SPF test package 3rd Step output enhancement type 601-300 Selected UV (ultraviolet) light from sunlight is artificially create...

• Light Sources

• UV Curing Systems

■SPF test package 4rd Step output enhancement type 601-300 Selected UV (ultraviolet) light from sunlight is artificially create...

• Light Sources

• UV Curing Systems

■SPF test package 16S-150-001 This is a solar UV light simulator that artificially produces only the UV light of sunlight, and ...

• Light Sources

• UV Curing Systems

■Solar cell test package 16S-300-002 This is a solar UV light simulator that artificially produces only the UV light in sunligh...

• Light Sources

• UV Curing Systems

■Solar cell test package 16S-300-005 This is a solar UV light simulator that artificially produces only the UV light in sunligh...

• Light Sources

• UV Curing Systems

■Package for accelerated color deterioration test (1) 16S-150-001 A solar simulator that artificially produces only the UV ligh...

• Light Sources

• UV Curing Systems

■16S-300-003 Simulator package for accelerated color deterioration test (2) It is configured based on the 16S type 300W type si...

• Light Sources

• UV Curing Systems

■Material deterioration test package 16S-300-004 This is a solar UV light simulator that artificially generates only the UV lig...

• Light Sources

• UV Curing Systems

■Simulator photometer 3D-601 type Separates the UV output of the sunlight simulator into tanning UV (UV-B) and UV-A, and measur...

• Measuring Equipment

• Spectrophotometers

This micrometer is ideal for image analysis that requires accurate measurement of various two-dimensional shapes. Nine types of...

• Measuring Equipment

• Dimensional Metrology Equipment

$351.65

It is also ideal for accurate calibration of optical magnification, scale graduations, camera aspect ratio, etc. It is also use...

• Measuring Equipment

• Dimensional Metrology Equipment

Precise resolution target compliant with ANS/ISO#2 based on NIST/NBS1010A standard. This target is ideal for testing focusing a...

• Measuring Equipment

• Dimensional Metrology Equipment

Concentration target for the sensing system illumination and detector calibration step required for the latest precision image ...

A stage target with precise line dot width and dot diameter designed for calibration of geometric measurement image systems suc...

• Measuring Equipment

• Dimensional Metrology Equipment

This chart is ideal for testing lens focus and quickly evaluating the focal plane. Wedge-shaped black lines and white lines mad...

$244.40

The 1951 USAF Resolution Test Chart is a microscope optical resolution test device defined by the 1951 United States Air Force ...

$178.75

■Specifications ・Base blue plate glass ・Accuracy ±0.05mm in total length ・Scale painted black

• Measuring Equipment

• Dimensional Metrology Equipment

$244.40

Parallel lines are regularly arranged, the line width and space width are equal, the number of lines per 1 mm is defined as the...

$403.65

This is a test chart where the brightness changes in a fixed direction depending on the sine side. This chart consists of black...

$1,293.50

It is recorded on photosensitive paper and is used to improve the MTF of many cameras and scanners. Due to the characteristics ...

$773.50

Single frequency transmission pattern, very useful for MTF measurements in Moiré contour determination applications. MTF (Modul...

$619.45

■Gray scale A gray scale (density wedge) that is very useful for determining optical density and for graphic processing. Concen...

$73.45

A stepped density wedge recorded on a very thin film. *Only for ST-20, you can choose between transmissive type and reflective ...

$156.00

■Features - 32 steps are arranged regularly from 0.10 to 1.60 on a sheet of photo paper. - 0.70 density patches are placed in t...

$336.70

Two 9-step gray scales are arranged in opposite directions on a 25.4 mm square slide-sized glass substrate. ■Features ・Upper ...

$393.25

It is designed to test the photoelectric conversion number (OECF) of OPT-ELECTRONICS cameras and can be used in accordance with...

$338.00

In recent years, optical fiber transmission methods have become cutting-edge technology and are used in a variety of fields, fr...

• Light Sources

• Light Guides

$132.60

In recent years, optical fiber transmission methods have become cutting-edge technology and are used in a variety of fields, fr...

• Light Sources

• Light Guides

$169.00

This high-efficiency quartz fiber has particularly excellent transmission characteristics in the short wavelength range, making...

• Light Sources

• Light Guides

$511.55

In recent years, optical fiber transmission methods have become cutting-edge technology and are used in a variety of fields, fr...

• Light Sources

• Light Guides

$278.85

In recent years, optical fiber transmission methods have become cutting-edge technology and are used in a variety of fields, fr...

• Light Sources

• Light Guides

$652.60

In recent years, optical fiber transmission methods have become a cutting-edge technology of the times, and are being used not ...

$536.90

■Optical fiber backlight lighting terminal Designed for observing glossy surfaces such as PC boards and highly reflective metal...

$684.45

In recent years, optical fiber transmission methods have become a cutting-edge technology of the times, and are being used not ...

$29.90

Used for calibrating the eyepiece scale of the microscope. The figures are vapor-deposited on a glass plate fitted into a circu...

• Measuring Equipment

• Dimensional Metrology Equipment

$252.85

The boxes are divided at 1mm intervals across the entire surface, with numbers and symbols attached to them and separated by st...

• Measuring Equipment

• Dimensional Metrology Equipment

$325.00

■Malassez counting cell double type This is a weighing cell used for testing red and white blood cell counts in medical setting...

• Measuring Equipment

• Counting Chambers

$110.50

■Negeotte counting cell double type/single type Used in the medical field for urine cytology and analysis of head and dorsal co...

$270.40

■Stage micrometer transmission type Used for calibrating the eyepiece scale of a microscope. It is etched into circular glass b...

• Measuring Equipment

• Dimensional Metrology Equipment

$360.10

A scale for accurately measuring various two-dimensional shapes. 14 types of shapes are deposited on a 75 x 25 x 1.5 mm glass s...

• Measuring Equipment

• Dimensional Metrology Equipment

$473.85

Metal-deposited scales are applied to optical glass measuring 30 mm wide x 6 mm thick, and are used in large optical measuring ...

• Measuring Equipment

• Dimensional Metrology Equipment

$632.45

You can choose from 7 sizes.

• Measuring Equipment

• Dimensional Metrology Equipment

$134.55

■Eyepiece scale plate for microscope ・Basic diameter 16mm・19mm (20mm) ・21mm・23mm ・You can choose from 8 sizes of 24mm.

• Measuring Equipment

• Dimensional Metrology Equipment

$148.20

You can choose from 4 types.

• Measuring Equipment

• Dimensional Metrology Equipment

$148.20

Please choose from 8 sizes.

• Measuring Equipment

• Dimensional Metrology Equipment

$148.20

• Measuring Equipment

• Dimensional Metrology Equipment

$134.55

Please choose from 7 sizes.

• Measuring Equipment

• Dimensional Metrology Equipment

$148.20

Please choose from 7 sizes.

• Measuring Equipment

• Dimensional Metrology Equipment

$148.20

Please choose from 7 items.

• Measuring Equipment

• Dimensional Metrology Equipment

$148.20

We will send from size 7. Please choose.

• Measuring Equipment

• Dimensional Metrology Equipment

$148.20