American Educational 7-1305-24-A Glass Microscope Cover Slip, 40mm Length, 22mm Width, #1 Thickness (500 Slips)

so hi microbe hunter here again and today I want to talk about cover glasses is a pretty big cover glass here and for those of you who are new to microscopy cover glasses are those little glass slips that you place on top of a microscope slide let's just take this one out here okay and what you have is you have the the slide the glass slide here and then the specimen that you want to look at is in a small amount of water or abouting medium and then on top of it you have the cover glass sewn already dried out so some algae on here okay and the cover glass actually has several important functions one of the things of course is make sure that the specimen is pressed flat because the depth of field over microscope is quite low and if it's too thick then the organisms can float in and out of focus and by having a cover glass on top everything is nice and even in one plane but there is only o