Latest model non-contact lens center thickness measuring device "CT-Gauge"

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Non-contact lens center thickness measuring device CT-Gauge

last updated：Sep 08, 2020

ジーフロイデ

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Search for and measure the lens center thickness; ΔH measurement, large-scale automatic measurement, and large diameter measurement are also possible. The unparalleled high-performance measuring device 'CT-Gauge' has arrived!

Currently, the image quality is shifting from 4K to 8K, and the performance of optical systems is becoming increasingly stringent. In this technological context, in addition to the shape and eccentricity precision, strict specifications for center thickness are established. However, measuring the center thickness of a lens is a quite challenging task. The reason is that the measurement point is only a "single point" on the lens, making it difficult to clearly identify that position. To address these challenges, our company developed a non-contact lens center thickness measuring device five years ago. *For more details, please request materials or view the PDF data from the download section.*

Related Link - https://www.g-freude.co.jp/g_gage.html

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basic information

After several improvements, we are now equipped with the following features: Mechanical Performance - Equipped with a universal sample chucking mechanism (capable of φ10 to 100) - Includes a built-in ceramic calibration gauge unit (with independent tilt adjustment mechanism) - Verification method for accuracy in thickness measurement Software Performance 1) 3D topography display function 2) Thickness value detection method based on surface vertex height 3) Automatic creation function for inspection reports with pass/fail judgment 4) Rough surface measurement function Other Features 1) Data trimming function (for small diameter lens measurement) 2) Sample collision prevention mechanism 3) ΔH measurement function 4) Support for large diameters (proven up to φ400) 5) Automatic continuous measurement mechanism These features are particularly important for small diameter lenses (for automotive use) and large diameter lenses (for exposure equipment), as lens thickness is a crucial factor affecting optical performance. Please confirm its capabilities through a demonstration. Thank you very much. *For more details, please download the PDF or feel free to contact us.