An optical comparator (often called just a comparator in context) or profile projector is a device that applies the principles of optics to the inspection of manufactured parts.

Benchtop and floor model optical comparators from OGP offer the industry’s best value and performance for non-contact measurement.

Manufactured without compromise, Starrett optical comparators provide time tested, cost effective solutions for non-contact measurement. At the heart of these systems are precision optics, superb …

Here is everything you need to know about optical comparators, from the basics of comparator measurement to the accuracy of optical comparator measurements. Discover the benefits of using …

Optical comparators are a type of optical measuring instrument. The measurement principle is similar to that of optical microscopes. The target is placed on the stage, and a light is shined on the target from …

Jun 17, 2025 · An optical comparator is an advanced device that utilizes light, magnification, and a projected image to provide non-contact, high-accuracy examination of manufactured components. It …

Sep 18, 2025 · The top 12 optical comparators for 2025 offer unmatched precision and features, but discovering which one suits your inspection needs is essential.

Explore the types, applications, and considerations of optical comparators. Learn how they are used for precise measurement and inspection in various industries.

Oct 21, 2020 · Verifying that you are not a robot...

May 27, 2025 · An Optical Comparator is a precision tool used to measure and inspect the dimensions, shapes, and angles of manufactured parts without physical contact. This type of equipment has been …