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directed to the appropriate Lesker site.

Viewport Questionnaire

Please fill in this form as completely as possible, and a KJLC representative will contact you as quickly as possible to provide further information.

Please fill out the following information regarding your customer viewport, using the graphic as a guide:

(not required)
inches mm

(from flange face)
inches mm

(including flange thickness) (not required)
inches mm

D: Wall thickness (not required)
inches mm

inches mm


Wavelengths desired to transmit?





Standard - Visible Range

Maximum Allowable External Reflectance (%R) (optional):




Additional Notes / Comments:

Contact Information:

* = Required

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