Sometimes, other than microscopes, there are many other optical instruments, which come into picture. There are equipments, which help us find the refractive index and sometimes magnify a few objects in the lab. In addition, for a few specific experiments, we need to perform the preparation for that. These products might be of use during that time. In a single sentence, these instruments help achieving our goals when we start performing the experiments we planned in the first place. In addition, the equipment should be of high quality and should last longer After all, we all dream of making things work for a long period, don’t we?