The Noyes OFS 300 is a versatile instrument for the inspection of optical fiber connectors. By employing universal adapter cap mount, it can inspect virtually any connector style for scratches, dirt, or other problems normally associated with poor transmission performance. The OFS 300 offers 60 hours of continuous battery life. A 2.5mm universal adapter cap, holster, and user's guide are included with OFS 300 scopes. The Noyes OFS 300 is an Optical Fiber Scope for inspection of optical fiber. Two models of the OFS 300 are available. The OFS 300-200C offers precision 200X magnification to easily inspect both multimode and single-mode fiber optic connectors. The OFS 300-400C with 400X magnification is available for more critical inspection during termination, especially with single-mode fibers.