We have established a new form on the official website of Tsubosaka Electric Co., Ltd. that allows you to easily request the customization of light sources. Please access our website through the related link.

We sincerely apologize for the inconvenience, but we will be closed for summer vacation from Saturday, July 25, 2020, to Sunday, August 2, 2020. We appreciate your understanding during this time. Please note that inquiries received during this period will be addressed sequentially starting from Monday, August 3, 2020. Thank you for your understanding.

We have added a type that uses an LED light source to the A4 size chart viewer. It is a chart light source that does not flicker at 500kHz illumination. By changing the position of the chart holder, it supports 16:9 and 4:3 formats.

Automatically measures lens spherical aberration using the Shack-Hartmann method, compatible with lenses ranging from 20 to 500mm. Image processing with high-resolution CMOS.