This loupe is ideal for students, jewelers, collectors, and outdoor enthusiasts, and it serves a broad range of users who seek clarity and precision. Portable loupe with a built-in scale enables detailed observations and helps ensure accuracy in every inspection. The compact design delivers excellent clarity and a lightweight form that fits easily into any toolkit. The compact design delivers excellent clarity and a lightweight form that fits easily into any toolkit. Whether you are conducting laboratory research, evaluating jewelry, observing nature, or reading daily, this multifunction instrument is your optical tool. Use scenarios: - Jewelry appraisal and gemstone inspection: examine cut, clarity, inscriptions, and settings with precise scale measurements. - Laboratory or field inspection: review samples, markings, and micro-details with reliable clarity. - Nature observation and daily reading: study leaf veins, insect features, or small print text with crisp detail.