Request InfoDocter Optics Inc.Tevidon CCD lenses that provide nearly distortion-free performance have been realeased by Docter Optics Inc. Suitable for 1/3-, 1/2-, 2/3- and 1-in. image formats, the lenses have six- or seven-element designs and are mounted in compact metal housings. They have focal lengths from 10 to 35 mm and speeds from /1.6 to /2.0 and are color-corrected for wavelengths from 400 to 1000 nm. The lenses have fixed or variable iris diaphragms with manual lock or click-stop adjustment. Extension tubes for magnification adjustment are available.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra March 2023 IssueBoroscopic ProbesThe PCBP series of boroscopic probes from Opto Engineering SPA provide panoramic cavity imaging and measurement from inside hollow objects. 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