20X 21mm Triplet Jeweler's Loupe

Professional High-Power Triplet Loupe for Coins, Gemstones, Jewelry & Precision Inspection

The 20X 21mm Triplet Jeweler's Loupe is a premium high-magnification inspection tool designed for professionals and serious collectors who require exceptional detail. Featuring a 20X triplet optical lens with a 21mm viewing diameter, this loupe delivers outstanding image clarity while minimizing distortion and chromatic aberration.

With twice the magnification of a standard 10X loupe, it's ideal for examining minute details such as die varieties, mint marks, gemstone inclusions, watch components, engravings, and fine craftsmanship that may otherwise go unnoticed.

Its compact folding design makes it easy to carry in your pocket, detector pouch, or workshop while protecting the precision optics when not in use.

Perfect For

• Coin collecting and grading

• Metal detecting finds

• Jewelry inspection

• Diamond and gemstone evaluation

• Gemological inspection

• Watch and clock repair

• Hallmark identification

• Antique appraisal

• Electronics inspection

• Quality control

• Model making

• Precision workshop inspections

Features

• 20X high-power optical magnification

• 21mm precision triplet optical lens

• Edge-to-edge sharpness with minimal distortion

• Excellent color accuracy

• Folding protective housing

• Compact pocket-sized design

• Durable metal construction

• No batteries required

Benefits

• Reveals extremely fine details invisible to lower-power loupes

• Triplet optics provide superior image quality

• Larger 21mm lens offers a comfortable viewing area

• Ideal for inspecting mint marks, die varieties, inclusions, and engravings

• Compact and portable for field or workshop use

• Reliable, maintenance-free operation

Recommended Applications

Use the 20X 21mm Triplet Loupe for:

• Inspecting rare coins and die varieties

• Examining mint marks and surface condition

• Identifying gemstone inclusions

• Inspecting jewelry settings

• Reading hallmarks and maker's marks

• Evaluating metal detecting finds

• Viewing watch movements

• Inspecting circuit boards and electronic components

• Precision quality inspections

Recommended Accessories

Complete your inspection workstation with:

• 10X 21mm Triplet Jeweler's Loupe

• LED Jeweler's Eye Loupe

• 30X Illuminated LED Pocket Microscope

• 60–100X Lighted Pocket Microscope

• Professional Grade Illuminating Head Magnifier

• 4" LED Swing Arm Magnifying Lamp

• Gem & Relic Sorting Mat

• Precision Tweezers

• Fiberglass Scratch Brush

Specifications

• Magnification: 20X

• Lens Diameter: 21mm

• Lens Type: Triplet Precision Optical Glass

• Body Material: Metal

• Folding Pocket Design

• Handheld Operation

• No Batteries Required

What's Included

• One 20X 21mm Triplet Jeweler's Loupe

Why Buy From High Plains Prospectors?

At High Plains Prospectors, we understand that identifying the smallest details can make all the difference. Whether you're grading collectible coins, inspecting gemstones, authenticating jewelry, or evaluating freshly recovered relics, the 20X 21mm Triplet Jeweler's Loupe provides professional-grade optical performance, exceptional clarity, and dependable durability to help you inspect with confidence.

Three element 20 power 21 mm jewelers loupe in a polished metal housing with a leather case.

• Professional Triplet Loupe
• Magnification: 20X
• Lens Diameter: 21mm
• Round Shape
• Chrome body
• Leather Pouch

These magnifiers feature quality polished glass Triplet Lenses in a polished metal housing with a sturdy leather protective case.

The Triplet Lens design is an optical device consisting of three singe lenses. The triplet design is the simplest to give the required number of degrees of freedom to allow the lens designer to overcome all Seidel aberrations. Aberration leads to blurring of the image productid by an image-forming optical system.