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

The "LSB-1-10T2" is a brightness box that can accommodate changes in color temperature. It features a point light source that outputs stable brightness. Fine adjustments to brightness can be made using lamp voltage. Additionally, it is compact and lightweight, allowing for use in various locations. 【Features】 ■ A point light source that outputs stable brightness ■ Fine adjustments to brightness are possible ■ Compact and lightweight, suitable for any location ■ Supports changes in color temperature *For more details, please refer to the PDF document or feel free to contact us.

• Other image-related equipment
• Other lighting equipment

The "LSB-1-1411FB" is a fixed-point brightness diffusion light source with a brightness area of 140mm × 110mm. It employs a feedback control system that constantly monitors and automatically adjusts brightness and color temperature. Additionally, it can emit light when equipped with evaluation charts such as grayscale charts. Its compact and lightweight design makes it suitable for manufacturing lines and similar applications. 【Features】 ■ Maintains constant brightness and color temperature ■ Independently adjustable brightness and color temperature ■ Brightness area of 140mm × 110mm ■ Color temperature approximating black body radiation trajectory ■ Includes chart guide *For more details, please refer to the PDF document or feel free to contact us.

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

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 is a luminance meter primarily used to measure the brightness of diffusion surfaces. Measurements are taken by placing the light-receiving part on the surface to be measured. As a standard model, the delivery time is within one week. It improves work efficiency with a backlight display and measurement result hold function. 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 approximately 300 grams. It can be used with our luminance box for self-calibration. Furthermore, it has a function to correct differences from other companies' luminance meters.

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

1: This is a light source that can output finely from low brightness to high brightness. 2: Thanks to internal automatic correction, it consistently outputs stable brightness, eliminating the need for regular maintenance. 3: This light source has high brightness uniformity (low brightness variation), making it ideal for various calibrations, adjustments, and inspections as a standard light source. 4: External control is possible via serial communication. 5: By connecting to our luminance meter (LC-5), it is possible to calibrate the internal brightness sensor of the light source, simplifying the maintenance of the luminance box.

• Image Processing Equipment
• Other lighting equipment
• Other inspection equipment and devices

----------------Notice of Production Suspension-------------- As of May 1, 2020, we have suspended production due to various circumstances. Please consider the successor model LSB-111WCRI. ---------------------------------------------------- The 'LSB-100M/B' is a halogen brightness box that allows for color temperature switching. It was developed for the adjustment of cameras, digital cameras, CCD cameras, and various sensors. It achieves performance close to the LSB-111BAT2 at a low price. Additionally, the required brightness values for checks can be set continuously by manual operation up to LV4-17 (A light source). 【Features】 ■ Manual adjustment of brightness values while viewing the display ■ Achieves performance close to the LSB-111BAT2 at a low price ■ Color temperature switching available *For more details, please refer to the PDF materials or feel free to contact us.

• Other lighting equipment

This device is a diffuse surface light source for inspecting the brightness instructions or exposure amounts of cameras, such as digital cameras. This allows for the adjustment and alignment of the camera's sensitivity. By incorporating a brightness monitor inside, it continuously outputs a stable brightness value. Through numeric keypad input, the brightness can be freely varied from a low brightness of 2.5 cd/m² to a maximum brightness of 18,334 cd/m² (LV4 to V17) across 131 points. Additionally, it can be externally controlled via RS232C. Since the light source unit and control unit are separate, it can be used according to the convenience of tasks such as environmental measurements. Please utilize this for maintaining high quality. (The integrated models are LSB-111BAT and LSB-111/B) *Customization of special specifications such as brightness values, color temperature, and brightness area is possible. Please consult us once.

• Other lighting equipment
• Other measurement, recording and measuring instruments
• Other lighting equipment

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

Tsubosaka Electric Co., Ltd. offers a "strobe light meter" for measuring light distribution and other parameters. Our lineup includes the strobe light meter "LX-25," which excels in short bursts of light, the "LX-60," suitable for observing multi-light waveforms, and the "STB-209XL2," which can also measure emission time and illuminance. Each product comes with additional features. 【Features】 ＜LX-25＞ ■ Integral waveform analysis method ■ Capable of measuring special emissions based on settings ＜LX-60＞ ■ Multi-emission and continuous emission measurements made easy with sampling waveform analysis method ■ Emission waveforms can be analyzed with the included PC software *For more details, please refer to the PDF document or feel free to contact us.

• Optical Measuring Instruments
• Image Processing Equipment
• Microscope

It is the world's No. 1 contrast measurement device, essential for quality control of high-quality inks!

• Image Processing Equipment
• Analytical Equipment and Devices
• paint

The "LSB-111-4C2" is a four-color temperature switching light source developed for the inspection of digital cameras. The brightness can be set arbitrarily over a wide range using a servo system with variable aperture. The light source lamp uses a halogen lamp, and since it cuts infrared rays, it keeps the temperature rise on the brightness surface low even at high brightness. 【Features】 ■ Automatic switching between four color temperatures ■ Outputs highly uniform brightness over a 100mm x 100mm area ■ Stable brightness output with light quantity feedback control ■ Fine brightness adjustments possible with a numeric keypad and external communication control *For more details, please refer to the PDF document or feel free to contact us.

• Image Processing Equipment
• Other lighting equipment

It is ideal for streamlining AF function adjustment tests, resolution tests, and more. The dedicated LCD monitor can freely display chart patterns. - Target chart for AF sensors - Displays various focus adjustment charts and resolution charts - Settings for contrast, line width, position, comments, etc. can be freely adjusted - High contrast with a dedicated high-resolution monitor - Equipped with a brightness stabilization circuit to correct brightness degradation - Memory function allows for the reproduction of test content at any time The monitor can be changed. Higher resolution and high-definition monitors are also available. Please consult us.

• Optical Measuring Instruments
• Image Processing Equipment
• Other measurement, recording and measuring instruments

The "LSB-111XE4" is a brightness box that uses xenon lamps. It can reproduce stable brightness through light quantity feedback control. It features a spectrum that approximates natural daylight. Additionally, it can be used under conditions without condensation at temperatures between 5 to 45°C and humidity below 80%, and automatic control via external communication is possible. 【Features】 ■ Uses xenon lamps ■ Spectrum approximating natural daylight ■ Can register set brightness in program memory (up to 99 points) ■ Automatic control via external communication is possible *For more details, please refer to the PDF materials or feel free to contact us.

• Analytical Equipment and Devices
• Lighting for image processing

This device is a diffuse light source for the adjustment and inspection of various sensors such as cameras, CCDs, and exposure meters. The brightness value can be set freely over a wide range via a numeric keypad input and is displayed. By adopting a light quantity servo system with variable aperture, it maintains good brightness stability over long periods, and brightness management and changes are easily achievable. Brightness can be selected in an arbitrary selection method (LV4.0 to 16.0, with a 0.001 LV pitch), a pitch variable method that allows for adjustment at any pitch (0.1 LV to 1.0 LV), and a memory selection method that can store and recall 99 arbitrary brightness levels. External control via RS-232C and other interfaces is possible. We also handle custom orders for special specifications, so please consult us.

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