About Gradient Lens Corp. from www.gradientlens.com For over 20 years, Gradient Lens Corporation has designed, engineered, and manufactured precision optics and optical instruments. Our patented endoGRINS® gradient-index lens technology is built into our exclusive line of Hawkeye® Precision Borescopes. This innovative optical design allows Hawkeye borescopes to deliver excellent image quality at prices one-third that of comparable visual inspection instruments. Hawkeye borescopes are proudly made in the USA in Rochester, New York, the Worlds Image Center®. For more specialized applications, we More... also offer the advanced capability of Hawkeye Blue™ Precision Borescopes. Hawkeye Blues are constructed with precise German optics and engineering, and feature built-in prisms. The result is superb image quality and a broad range of features and applications. Exceptional value and versatility are the hallmarks of Hawkeye, Hawkeye Blue and Luxxor Lighting and Video visual inspection produc

Hawkeye Precision Borescopes Are Great For Internal Features Of Machined Parts & Inspection Of Dark Spaces Of Diesel & Aircraft Cylinders Tanks Pressure Vessels Pipes Wall Cavities Of Buildings More... Diesel Fuel-injection Nozzles & Small Bores For Burrs & Surface Finish. Hawkeye Precision Borescopes Are Available In Rigid Flexible & Video Models. Borescope Accessories Including Angled Eyepieces

Video Coupler Lenses Digital Camera Couplers & Carrying Cases For Video Kits. Borescope Lighting & Lighting Guides Including Metal Halide & Xenon Lamps Are Also Available. Applications Include Aerospace Automotive Fuel Systems Hydraulics & Precision Shooting.