The Geometrical Optics Workbook

Was in excellent condition - printed copies vary as some have minor typos

I like the style in which this book is written. It makes it easier to learn about optics. I just wish that the formulas were all correct. Our professor had to give us pages of corrections pointing out errors in formulas, or error in simple math. I found a formula that used tangent when sine is what was needed. Since the angle was not small, this was a problem. Sometimes when I am looking at the examples in the book, I feel like a teacher going through a student's work trying to find where the student went wrong to get the answer that is given. I've never seen this many errors in a text book before.

all these books are so expensive, but no one uses them

As described

This book has good worked examples but on the flip side has numerous errors that should be corrected by the author

full of mistakes.

I utilized this workbook almost solely for the practice problems and concept review before optics exams. I appreciated the practice problems and the answer key because the best way to understand this information and memorize the equation is to work the problems. Be careful to check for errors, as there are some equations written incorrectly. With that said, this is a good supplementary workbook but should not be the only source used.

This reads like a physics book. System of ophthalmic dispensing was more helpful for state boards prep.