Quick Answer: Inspection Magnifier 3 Inch is a handheld magnifier with a nominal 3-inch lens that enlarges small details on specimens, printed material and components for close visual inspection.
Last updated: October 2026
Key Features
Nominal 3-inch lens format giving a broad viewing area
Handheld; no stand or power needed
Positive lens forms an enlarged virtual image when the object is within its focal distance
Focused by changing the lens-to-object distance
Technical Specifications
Specification
Value
Type
Handheld inspection magnifier
Nominal lens size
3 inches
Approximate nominal diameter
76 mm
Electrical power
None
About This Product
Holding it between eye and object, the user moves the lens slowly until labels, fibres, leaves, mineral samples or surface defects come into focus, keeping it approximately parallel to flat objects to limit distortion. Within Light And Optics it serves as a quick low-magnification check before a specimen goes under the microscope.
Frequently Asked Questions
Q1. Can it replace a microscope? No. It suits preliminary low-magnification inspection; finer structures and much greater enlargement need a microscope.
Q2. Can it be pointed at the sun? Never. A convex lens can concentrate sunlight and create an eye, skin or fire hazard.
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