Microscope slides with a micrometer scale are used for the calibration for measurements.

They are used in combination with a micrometer eyepiece or a measurement software (for cameras) in order to measure preparations. 

The broad scale is suitable for lower magnifications, the fine scale for higher magnifications.

• 10 mm scale with 100 graduation marks (0.1 mm)
• 1 mm scale with 100 graduation marks (0.01 mm)
• Scope of delivery: 1 slide with 0.1 and 0.01 mm scales, plastic case