Tsubosaka Electric Co., Ltd. List of Products and Services

This is a luminance meter primarily used to measure the wavelength of infrared light sources. Measurements are taken by placing the light-receiving part on the surface of light source. The backlight display and measurement result hold function improve work efficiency. It also supports external communication and allows for data output (USB compliant). Additionally, it can be powered by either two AA batteries for portability or an AC adapter. It is a compact and lightweight measuring device weighing approximately 300g. It can be used for auto-calibration (self-calibration) with our company's light source box. Furthermore, it has the capability to correct differences compared to other companies' luminance meters.

• Lighting for image processing
• Other measurement, recording and measuring instruments

This device measures the aperture diameter area of cameras and interchangeable lenses. - Aperture diameter at the time of synchronizing contacts - Maximum aperture diameter at the time of shutter release - Open aperture diameter - Aperture diameter at the start timing of aperture operation synchronization It displays the amount of aperture error (●EV) compared to the reference diameter as measurement results. The SENS sensitivity, which can be calibrated and registered using a standard lens or reference camera, has four series and supports measurements for zoom lenses and others. The measurement unit can be installed both vertically and horizontally (the angle position of the display unit can be adjusted). It allows posture difference measurements with two types of optical axes depending on the installation method. Equipped with a communication interface (RS-232C). It enables external output of measurement data and external control of the tester.

• lens
• Other measurement, recording and measuring instruments
• lens

This series is a light source device that uses near-infrared LEDs. We offer light source that is ideal for high diffuse light or evaluations such as with cameras, as well as a lighting type for illuminating objects. By incorporating a microcontroller, it can support external communication control. Applicable models: VLB-4IR series SOL-300IR series Multiple selectable wavelengths are available, and we also accommodate custom requests. Products in the SWIR range are also available.

• Other lighting equipment

This series is a light source device that uses near-infrared LEDs. We offer a light source that is ideal for high diffuse light or evaluations with cameras, as well as a lighting type for illuminating objects. By incorporating a microcontroller, it can support external communication control. Applicable models: VLB-4IR series SOL-300IR series Multiple selectable wavelengths are available, and we also accommodate custom requests. Products in the SWIR range are also available.

• Other lighting equipment

This is a system that can measure the MTF, which shows the spatial resolution characteristics of a camera, in real-time and simultaneously from multiple directions. It analyzes the input edge images and is suitable for evaluating the resolution characteristics of the entire imaging system, from the lens to the camera's signal processing. It also supports high-resolution images such as 8K and 4K.

• Other inspection equipment and devices

This is a diffusion surface light source that guarantees brightness (luminance), uniformity within the emission surface, and color tone (color temperature). The "Model: LSB-1010 series" allows for significant variations in luminance and color temperature, with high adjustment resolution. The "Model: VLB-10, 1411, 3020 series" has a compact housing size and can accommodate large emission surfaces. These can be used for development research purposes, production lines, and equipment integration. Regarding wavelength, there are high color rendering white LEDs with smooth spectral changes, and models that support near-ultraviolet and near-infrared up to 2000nm are also available.

• Lighting for image processing

The world's first! ※1 A near-infrared light source with adjustable intensity The variable intensity range is up to 65,000 times Equipped with a user-friendly keypad and color LCD ※1 Based on our research as of October 1, 2022

• Other lighting equipment

This is an exposure device that uses a 2kW ultra-high pressure mercury lamp. It can be controlled from dedicated PC software, and it is also capable of adjusting the mask flatness and the gap with the glass. This is the exposure printing equipment with the guaranteed parallelism. 2kW extra-high pressure mercury lamp is equipped. It can be controlled with the designated PC software and the shutter controller. It can adjust a gap to the glass and flatten the photomask. It can expose lights with sophisticated patterns. We can customize the size of photomask or other features.

• Other processing machines

This is a spectral reproduction light source using four types of white LEDs with different color temperatures and 26 types of monochromatic LEDs. It has built-in spectral properties, allowing for the measurement of current brightness, color, and spectrum, and it is also capable of reproducing spectra from data created in CSV format.

• Other lighting equipment

Measuring the illuminance of the image plane for various lenses Data acquisition via PC Custom-made lenses for your applications, ranging from DSLR camera lenses to lenses for mobile phones and smartphones.

• Image Processing Equipment
• Microscope
• lens

The "UVL-3" is a tabletop UV exposure device. It allows for easy exposure curing primarily in photolithography processes using glass substrates and the like. Equipped with a color LCD and a directional pad, it accurately controls the exposure time. 【Features】 ■ A simple exposure curing device for photolithography processes ■ Space-saving design as it is a tabletop and integrated unit ■ Equipped with a microcontroller for precise control of exposure time *For more details, please refer to the PDF document or feel free to contact us.

• Ultraviolet irradiation equipment
• Other lighting equipment

This device is a luminance meter primarily used to measure the brightness of surface. Measurements are taken by placing the light-receiving part against the lighting surface. Luminance measurement and unit switching can be externally controlled via UART through a virtual COM port. As a standard model, the delivery time is within one week. The backlight display and measurement result hold function improve work efficiency. It also supports external communication and data output (USB compliant). Additionally, it can be powered by batteries (two AA batteries) for portability or an AC adapter. It is a compact and lightweight measuring instrument weighing about 300 grams. It can be used with our luminance box for auto-calibration (self-calibration). Furthermore, it has the capability to correct differences compared to other manufacturers' luminance meters.

• Lighting for image processing
• Other measurement, recording and measuring instruments

The "VLB-10FBW2-CRI" is a viewer light source that uses ultra-high color rendering LEDs with a switchable Ra97 in two colors. External control can be performed via UART through a virtual COM port for functions such as turning off and adjusting brightness. It emits a consistently stable brightness through automatic correction with an internal sensor. It can be easily controlled with dedicated PC control software. Additionally, connecting to a luminance meter (sold separately) allows for easy luminance registration. 【Features】 ■ Switchable between two color temperatures ■ Constantly stable brightness values due to brightness FB control function ■ Brightness switching and registration settings available ■ Supports low brightness ■ Uses high color rendering LEDs with Ra = 97 *For more details, please refer to the PDF document or feel free to contact us.

• Other lighting equipment

Pseudo sunlight lighting that ensures color reproduction close to sunlight. We will recreate the environment evaluated through fieldwork indoors. We offer lighting that can reproduce 100,000 lux and lighting with adjustable color temperatures, which can be used for visibility assessments in strong sunlight, product scratch inspections, and comparisons with paint color master samples. Additionally, we have equipment that can recreate environments of 5000K / over 2500 lux for evaluating photographic paper. We can customize the equipment according to the irradiation target, including the addition of near-infrared energy and changes to the light-emitting mechanism. We also have rental units available for some models, so please feel free to consult with us.

• Optical Experimental Parts

Using the luminance meter: LC-5 and the luminance box: LSB-1010FBW-CRI as examples, I will explain the auto-calibration function.

• Other lighting equipment

Enter any brightness value into the brightness box. It was measured with an external light meter to express its accuracy.

• Other lighting equipment

This series is a light source device that uses near-infrared LEDs. We offer a surface light source type that is ideal for high diffuse light or evaluations with cameras, as well as a lighting type for illuminating objects. By incorporating a microcontroller, it can support external communication control. Applicable models: VLB-4IR series SOL-300IR series We provide multiple selectable wavelengths and can accommodate custom requests. Products in the SWIR range are also available.

• Other lighting equipment

This series is a light source device that uses near-infrared LEDs. We offer a surface light source type that is ideal for high diffusion light or evaluations such as with cameras, as well as a lighting type for illuminating objects. By incorporating a microcontroller, it can support external communication control. Applicable models: VLB-4IR series SOL-300IR series Multiple selectable wavelengths are available, and we also accommodate custom requests. Products in the SWIR range are also available.

• Other lighting equipment

The "SOL-900-06IR85/94" is a lighting system that boasts near-infrared intensity at the level of 100,000 lx in the visible spectrum. It only emits energy in the near-infrared range. By overlapping with separately sold visible lighting in the irradiation area, it reproduces the visible + NIR range. External control via serial communication is also possible. 【Features】 - Combines with visible lighting to approximate sunlight - Reproduces the visible + NIR range by overlapping the visible and irradiation areas - Emits at an intensity equivalent to 100,000 lx in the visible spectrum - External control via serial communication is possible *For more details, please refer to the PDF document or feel free to contact us.

• Other lighting equipment
• Other inspection equipment and devices
• LED lighting

The "SOL-900-06IR85/94" is a lighting system that boasts near-infrared intensity in the visible range of 100,000 lx. It emits energy only in the near-infrared region. By overlapping the irradiation area with separately sold visible lighting, it reproduces the visible + NIR range. External control via serial communication is also possible. 【Features】 - Combines with visible lighting to approximate sunlight - Reproduces the visible + NIR range by overlapping the visible and irradiation areas - Emits at an intensity equivalent to 100,000 lx in the visible range - External control via serial communication is possible *For more details, please refer to the PDF document or feel free to contact us.

• Other lighting equipment
• Other inspection equipment and devices
• LED lighting

We have prepared the optical data for the LED surface light source LSB-1010FBW-CRI. 1: Spectral data at 8 brightness points (CSV format, 1nm pitch) 2: Radiant intensity, PPFD, and illuminance data at 8 brightness points Due to the size of the spectral data, please contact us via the inquiry form if you are interested.

• Other lighting equipment
• LED Module

The "LSB-1010FB-CRI" is a culmination of the technology we have developed so far and can be considered a standard brightness box. In addition to the high uniformity of brightness and high color rendering required for brightness boxes, it is also equipped with a user interface that allows for more intuitive operation. 【Features】 ■ Uses high color rendering LEDs Ra=97 ■ DC lighting with no flicker for high uniformity across the surface ■ Allows for arbitrary frequency lighting using pulse mode, reproducing lighting environments affected by voltage flicker ■ Brightness adjustment is possible ■ Two color temperature settings are available ■ Automatic brightness calibration ■ Numerous options and custom settings available *For more details, please contact us or download the PDF materials.

• Sensors
• Lighting for image processing

We would like to introduce the "Pseudo Sunlight Lighting" that Kosaka Electric handles, which is compatible with a wide range and high illuminance. It can accommodate distances further away, over a wider area, and with higher illuminance than our lighting device "SOL Series," which uses high color rendering LEDs. We manufacture custom lighting systems according to the irradiation distance, irradiation range, and required illuminance, and we also have a track record in the visible and near-infrared light spectrum. Please feel free to consult us when needed! 【Examples of Achievements】 This is used when you want to quantitatively reproduce the lighting environment under sunlight indoors. Examples: External light testing for installed devices like ATMs / Large chart irradiation / Automotive evaluation 【Specification Example-1】 ■ Irradiation Distance: 3 [m] ■ Irradiation Range: 0.5×0.5 [m] ■ Required Illuminance: 120,000 [lux] ■ Color Temperature: Around 6000K, 1 color *For other specification examples and details, please refer to the PDF document or feel free to contact us.

• Other lighting equipment
• Other lighting equipment

The "LSB-1010WCRI" is a brightness box that can accommodate various inspection environments with its auxiliary functions such as pulse lighting, all in one unit. Recommended for those who develop and manage high-quality products in a short period. It widely supports customizations such as "expanding brightness range," "changing diffusion plates," "changing housing colors," and "creating control PC software." 【Features】 ■ Brightness change range: 16.5EV, equivalent to 92,000 times → 102dB ■ High brightness uniformity: 95% ■ Brightness feedback Gen.3 equipped ■ Direct setting of any brightness ■ Uses high color rendering LED Ra=97 *For more details, please refer to the PDF materials or feel free to contact us.

• Other machine elements

The "LMx Series" is a product capable of measuring transmittance and reflectance. It is also possible to measure angular characteristics by varying multiple points or angles on the sample. If you want to obtain a large amount of data while changing the measurement points, the measurement labor can be significantly reduced. In addition, we offer a wide variety of light sources, including "color temperature," "luminance/illuminance," and "spectrum." Please contact us when you need assistance. 【Features】 ■ Systematization of measurement by combining a our luminance meter and light source ■ Custom manufacturing according to the measurement target ■ Measurement and display of transmittance and reflectance ■ Automation of multi-point measurements through an electric mechanism *For more details, please feel free to contact us.

• Optical Measuring Instruments
• Other measurement, recording and measuring instruments

This is an optical component painted with high-reflective white silicone instead of the usual barium sulfate coating. It is resistant to water and temperature changes, making it suitable for use in constant temperature and humidity evaluations. It can be handled similarly to general painted items, making management easy. Additionally, the painting costs have been reduced, allowing it to be obtained at about half the price compared to barium sulfate coated products. Individual hemispherical components of the integrating sphere are also available for sale. It has a price advantage over barium sulfate as well.

• Testing Equipment and Devices
• Thermostatic chamber
• Other lighting equipment

The "LSB-1010FB-CRI" is a culmination of the technology we have developed so far and can be considered a standard brightness box. In addition to the high uniformity of brightness and high color rendering required for brightness boxes, it also features a user interface that allows for more intuitive operation. 【Features】 ■ Uses high color rendering LEDs Ra=97 ■ DC lighting with no flicker for high uniformity across the surface ■ Brightness adjustment is possible ■ Two color temperature settings are available ■ Automatic brightness calibration ■ Numerous options and customizations available *For more details, please contact us or download the PDF materials.

• Lighting for image processing

The "LSB-1010FB-CRI" is a culmination of the technology we have developed so far and can be considered a standard brightness box. In addition to the high uniformity of brightness and high color rendering required for brightness boxes, it is also equipped with a user interface that allows for more intuitive operation. 【Features】 ■ Uses high color rendering LEDs Ra=97 ■ DC lighting with no flicker for high uniformity across the surface ■ Allows for arbitrary frequency lighting using pulse mode, reproducing lighting environments affected by voltage flicker ■ Brightness adjustment is possible ■ Two systems for color temperature settings ■ Automatic brightness calibration ■ Numerous options and customizations available *For more details, please contact us or download the PDF materials.

• Sensors
• Lighting for image processing

The pseudo-sunlight illumination "SOL Series" is a lighting device that uses high color rendering LEDs as the light source. It offers flat illumination and types that allow for color temperature adjustment without filters, as well as types that can mix arbitrary color temperatures by adjusting the luminous intensity of LEDs with different color temperatures, enabling the reproduction of external light environments. 【Features】 ■ Capable of reproducing the color temperature of the day from morning to evening (SOL-100 series/1000 series) ■ Supports external communication control (SOL-300 series/1000 series) ■ Surface brightness of over 5 million cd/m² (SOL-300 series) ■ High illuminance of 40,000 to 50,000 lux (SOL-800 series) ■ Achieves over 100,000 lux (SOL-600-01T05) *Product documentation can be viewed via "PDF Download." The materials also include examples of growth tests using combinations of near-ultraviolet and visible regions, as well as evaluation tests of cameras that detect invisible regions.

• Lighting for image processing

The "SOL-600-01F05" is a high-intensity lighting system designed to simulate a lighting environment close to sunlight. It is engineered to reproduce a lighting environment of 100,000 lx by overlapping near-infrared and the illuminated area to recreate the visible + NIR spectrum. By changing the focus of the lens section, you can adjust the irradiation angle and range. 【Features】 ■ Illuminates 170,000 lx at a distance of 1 meter ■ Designed to replicate a lighting environment of 100,000 lx ■ Recreates the visible + NIR spectrum by overlapping near-infrared and the illuminated area ■ Adjustable irradiation angle and range by changing the focus of the lens section ■ External control via serial communication *For more details, please refer to the PDF document or feel free to contact us.

• Other lighting equipment
• Other inspection equipment and devices
• LED lighting

The "VLB-3020FBC3-CRI" is an ultra-high color rendering LED light source with adjustable brightness function. It is designed with the intention of replacing the D company's (model SCV) fluorescent light source. It supports both 4:3 and 16:9 charts. In addition to two color temperature settings, it allows for self luminance calibration with a separately sold luminance meter LC-5. Luminance meter LC-5 information: https://pr.mono.ipros.com/en/tsubosaka/product/detail/2000688966/ 【Features】 ■ Uses high color rendering LEDs with Ra=97 ■ DC lighting with non-flicker for high uniformity ■ Brightness is adjustable ■ Two color temperature settings available: model VLB-3020FBWC-CRI ■ Options such as handles, different color temperature, size of brightness surface, etc. * The model that changes to PWM lighting and expands the brightness adjustment range is VLB-3020FBW3-CRI. https://www.tsubosaka.co.jp/english/archives/product/vlb-3020fbw3-cri * For more details, please feel free to contact us.

• Lighting for image processing

The "SOL-600-01T05" is a low-power, long-life lighting system. It has broad spectral characteristics similar to sunlight and boasts color reproduction equivalent to that under natural sunlight. Additionally, it is compact, does not generate heat, and allows for external control and flicker lighting. This lighting has performance classified as high color rendering class 4 according to JIS Z 9112:2019, making it suitable for color inspections, specifically in the agriculture industry for indoor planting and seeding purpose, in automotive industry for interior and exterior color and scratch evaluation, in art industry for art painting evaluation, etc. 【Features】 ■ Broad spectral characteristics like sunlight ■ Color reproduction equivalent to that under sunlight ■ High brightness comparable to xenon lamps ■ Low power consumption and long life ■ DC lighting and flicker lighting are possible *For more details, please refer to the external link or PDF materials, or feel free to contact us.

• Other lighting equipment

The "SOL-100-01D06" is a pseudo-sunlight illumination with a correlated color temperature of 6500±500K. It uses LEDs that approximate sunlight (Ra-95) and has a high brightness of over 100,000 lx. It is lightweight and generates less heat compared to halogen and xenon. This lighting has the performance of high color rendering class 4 standardized by JIS Z 9112:2019. It is ideal for color inspections using color comparison booths. 【Features】 ■ Pseudo-sunlight illumination at 6500K ■ Uses ultra-high color rendering LED (Ra=97) ■ Flicker-free due to DC operation ■ Lightweight and generates less heat compared to halogen and xenon *For more details, please refer to the PDF document or feel free to contact us.

• Lighting for image processing
• Other optical parts
• Other lighting equipment

This series is a light source device that uses near-infrared LEDs. We offer a surface light source type that is ideal for high diffuse light or evaluations with cameras, as well as a lighting type for illuminating objects. By incorporating a microcontroller, it can support external communication control. Target models: VLB-4IR series SOL-300IR series Multiple selectable wavelengths are available, and we also accommodate custom requests. Products in the SWIR range are also available.

• Other lighting equipment

The "AFC Series" is used when you want to shorten the actual shooting distance compared to the assumed distance using a lens. It is a device used in situations like "I want to shoot with the focus set at 20m, but I can't secure 20m." 【Features (AFC-500)】 ■ For adjustment and inspection of digital cameras and video cameras ■ Evaluation of resolution for zoom lenses ■ Specifications can be modified to match the user's desired lens from finite to infinite distance ■ Changeable light source (halogen, LED) *For more details, please refer to the PDF document or feel free to contact us.

• Other inspection equipment and devices
• Other measurement, recording and measuring instruments

The "LSBS-310WCRI" is an LED light source that uses a 300mm diameter integrating sphere. It allows you to save and load custom settings with dedicated software. In addition to features such as arbitrary brightness settings and external control, it also includes extended functions like three color temperature selection settings. 【Features】 ■ Uses a 300mm diameter integrating sphere ■ Constantly stable brightness values due to brightness feedback control ■ Save and load custom settings with dedicated software ■ Spherical diffusion plate compatible with wide-angle lens evaluation *For more details, please refer to the PDF materials or feel free to contact us.

• Other lighting equipment

We can reproduce the light environment for vehicles during actual driving, including situations with tunnels, traffic lights, and signs, as well as under sunlight. For the international standard ISO 16505 or UN-R46 for automotive electronic mirrors (CMS), spot lighting, surface light sources, and chart lighting are required, and we will showcase products that comply with these specifications. [Exhibition Content (Excerpt)] ■ Standard light sources, surface light sources, brightness measurement ■ MTF measurement system ■ ToF evaluation system ■ Dynamic range evaluation, flicker evaluation, resolution evaluation ■ Ghost evaluation ■ Image plane illuminance ratio evaluation (peripheral light fall-off measurement), flare rate evaluation ■ UN-R46 / ISO 16505 CMS standard layout examples and compatible product list * We have practical applications of the ToF evaluation system using our products. * For more details, please refer to the PDF materials or feel free to contact us.

• Lighting for image processing
• Other lighting equipment

The "LBR-244CRI" is a light source with the same color rendering properties as sunlight. It is designed to illuminate a board with a pattern called a chart, but it is also capable of illuminating three-dimensional objects. It allows for a correlated color temperature range of 2700K to 7500K. The surface illuminance has a high uniformity of ±5%. Outdoor evaluations are quantitatively assessed indoors. There are also extended features for changing maximum and minimum illuminance, adjusting the number of settings, and modifying the size of the illuminance area (e.g., A3 size). 【Features】 ■ Uses high color rendering LEDs ■ Four types of color temperature switching ■ Illumination light source for reflective charts ■ Four types of illuminance switching for uniform illumination *For more details, please refer to the PDF document or feel free to contact us.

• Lighting for image processing

The "AFC-500" is a collimator for adjusting and inspecting various cameras. It has compact dimensions of 200(W) x 260(H) x 750(D) mm, making it suitable for tabletop use. The light source uses a halogen lamp with dimming functionality. Please use it for evaluating resolution at infinite focus. 【Extended Features】 ■ LED light source, cold cathode fluorescent lamp (CCFL) ■ Focus position: infinite/finite ■ Custom resolution chart *For more details, please refer to the PDF document or feel free to contact us.

• Other inspection equipment and devices

This device measures the aperture diameter area of cameras and interchangeable lenses. - Aperture diameter at the time of synchronization contact - Maximum aperture diameter at the time of shutter release - Open aperture diameter - Aperture diameter at the timing of the start of aperture operation synchronization It displays the aperture error amount (●EV) compared to the reference diameter as measurement results. The SENS sensitivity, which can be calibrated and registered with a standard lens or reference camera, has four series and supports measurements for zoom lenses and others. The measurement unit can be installed vertically as well as horizontally (the angle position of the display unit can be adjusted). It allows posture difference measurements with two types of optical axes depending on the installation method. Equipped with a communication interface (RS-232C). It enables external output of measurement data and external control of the tester.

• lens
• Other measurement, recording and measuring instruments
• lens

The "LFM-1 Series" is a device that measures lens flare rate (veiling glare index) according to the measurement method specified in ISO 9358:1994. By changing the light source to an IR-LED, it is compatible with lenses that use near-infrared, such as security cameras, smartphones, and in-vehicle cameras. It is capable of measuring veiling glare and image plane illuminance ratio for near-infrared compatible lenses. 【Features】 ■ Measures lens flare rate (veiling glare index) ■ Light source can be changed to near-infrared ■ Can measure near-infrared compatible lenses *For more details, please refer to the PDF document or feel free to contact us.

• Other lighting equipment
• Other inspection equipment and devices

It can instantly and quantitatively measure the amount of focus shift due to aperture, not only for fixed lenses and zoom lenses. It can measure the focal length error. By projecting a chart onto the lens and scanning a mirror placed on the image plane up and down, it precisely counts the focus position. With 16 levels of sensitivity adjustment, it has a wide measurement range and supports various types of lenses. It is capable of RS232C communication, making data control via PC easy. Because it provides precise measurement results in a short time, it is extremely valuable not only for development but also for inspection processes on manufacturing lines.

• Other measurement, recording and measuring instruments

The "LX-25" is a light meter that measures five items, including luminous flux. It is compatible with objects that emit light in microseconds. Using an integration waveform analysis method, it is strong against short emissions and high illuminance, measuring the light by storing it in a capacitor. It supports external communication, allowing for remote operation, and is suitable for managing and measuring xenon, LED flashes, blinking lights, and emergency lights. 【Features】 ■ Budget-friendly strobe light meter ■ Strong against short emissions and high illuminance with integration waveform analysis ■ Capable of measuring special emissions with settings *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices
• Other lighting equipment
• LED Module