jeweler's loupe
Học thuậtThân thiện
Definition
Noun: A jeweler's loupe is a small, high-powered magnifying lens, typically set into a small frame or eyepiece, designed to be held close to the eye. It is a precision optical tool used for detailed inspection of small objects, especially gemstones, jewelry, and watch mechanisms.
Usage
The term jeweler's loupe specifically refers to the magnifying tool used by professionals in the jewelry and watchmaking trades. It is used to examine the clarity, cut, and setting of gems, as well as the intricate parts of timepieces. - The gemologist used a jeweler's loupe to check the diamond for inclusions. - A good jeweler's loupe is essential for authenticating vintage watches.
Advanced Usage
- "10x loupe": A common specification indicating the loupe magnifies an object to ten times its apparent size. This is a standard power for gemological work.
- For grading diamonds, a 10x loupe is the industry standard.
Variants and Related Words
- Loupe (n): The general term for any small, handheld magnifier. A jeweler's loupe is a specific type of loupe.
- Magnifying glass (n): A broader term for any device that enlarges the image of an object. A jeweler's loupe is a specialized, high-quality magnifying glass.
- Eye loupe (n): Another term for a loupe held to the eye.
Synonyms
- Hand lens
- Magnifier
- Simple microscope (in a technical context, as a loupe is a single-lens magnifying system)
Noun
- small magnifying glass (usually set in an eyepiece) used by jewelers and horologists