Why Is the Coverslip Lowered at an Angle?

Applying the cover slip at an angle (instead of dropping it down flat on the specimen) pushes the air to the side and therefore minimizes the risk of air bubbles.

Why is the coverslip lowered slowly on slide?

When viewing any slide with a microscope, a small square or circle of thin glass called a coverslip is placed over the specimen. It protects the microscope and prevents the slide from drying out when it's being examined. The coverslip is lowered gently onto the specimen using a mounted needle .

Why do we lower the slide at a 45 degree angle instead of pushing down on the coverslip?

This will have a tendency to trap air under the cover slip, resulting in air bubbles that may interfere with specimen viewing. Rather, drop the cover slip from about a 45 degree angle push out most of the air as the drop is spread out. You just studied 147 terms!