Precision Measurement Capabilities: This calibration slide offers two measuring divisions, 0.01mm x 100 = 1mm and 0.1mm x 10 = 1mm, ensuring high accuracy for detailed microscopic analysis and research. Dual Calibration Dots for Enhanced Accuracy: Equipped with two calibration dots sized 0.15mm and 0.07mm, this slide is ideal for fine-tuning and calibrating microscope settings to achieve imaging results. Premium Material and Protective Packaging: Constructed from optical glass and sized at 75mm x 25mm x 1.1mm, this microscope calibration slide comes in a luxurious box with protective sponge lining, ensuring it remains safe and intact during storage or transport. Essential Tool for Microscope and Camera Calibration: This multifunctional calibration ruler is indispensable for calibrating your microscope or microscope camera reticles, enhancing the accuracy and reliability of your scientific equipment. Color: White Material: plastic Package Contents: 1*Microscope Calibration Slide Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.