1. Precision Calibration – This 0.1mm microscope stage micrometer is designed for precise calibration and measurement. Made from optical glass, it ensures accurate readings for your microscope and digital eyepiece. 2. Durable and Reliable – With dimensions of 25 mm x 75 mm x 1 mm, it provides a stable and dependable measurement platform. Featuring a measurement range of 0.1 mm x 100 10 mm and 0.01 mm x 100 1 mm, it enables versatile applications. 3. Clear Calibration Points – The microscope calibration ruler includes two calibration points at 15 mm and 0.07 mm, ensuring clear and precise measurements. Each grid represents 0.01 mm or 0.1 mm for easy calibration. 4. Compatible with Various Devices – Suitable for use with digital eyepieces and microscope cameras, it can seamlessly integrate into your existing equipment setup. Enhance the precision and accuracy of your microscopic observations.