Otto Frei Chrome 10X Triplet Loupe with 18 mm Diameter Lens, Rubber Grip & Case

The 10X Triplet Loupe with 18 mm Diameter Lens is a professional-grade magnifier built for diamond grading, gemstone evaluation, and detailed bench work. Triplet loupes are the standard choice among working jewelers — three lenses bonded together deliver a flat, sharp field of view that single or doublet loupes simply cannot match.

This loupe is corrected for both spherical aberration (minimizing edge distortion) and chromatic aberration (reducing color fringing at the edges). The result is a clean, accurate image from center to edge — critical when grading diamond clarity, where a flaw invisible at 10X magnification is not considered for grading purposes.

The 18 mm lens diameter provides a generous viewing field, while the non-slip rubber grip ensures a secure, comfortable hold during extended use. The chrome metal housing is solid and well-finished. A faux leather pouch is included for storage and protection.

Features

• 10X magnification — the professional standard for diamond clarity and color grading
• Triplet construction: three lenses bonded together for superior optical performance
• Corrected for spherical aberration — minimal edge distortion
• Corrected for chromatic aberration — accurate color rendition across the viewing field
• 18 mm diameter lens for a wide, clear field of view
• Non-slip rubber grip for secure, comfortable handling
• Chrome metal housing — durable and professional in appearance
• Includes a faux leather protective pouch

Specifications

What's Included

• 10X Triplet Loupe with 18 mm lens and rubber grip
• Faux leather protective pouch