... Evaluation: Although this investigation has given me valid results, there were few errors in the process in obtaining them. One main error was that we were measuring the stage graticule using the ocular lens and this required us to look through the eye piece and measure it. When recording the data the results may have not been extremely accurate as there may have been some human error in reading the results from what we saw in the ocular lens. To improve on this error if I were to do the experiment again I would make sure to double or triple check with the result that I’m reading through the ocular lens so that it will be as accurate as possible. ...