Customer Reviews

Nonimaging Optics

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Anyone contemplating buying the online-edition of this book should be forwarned: All the appendices, which constitute 77 pages of important reference material, have been left out of this edition. You can see what you're missing in the table of contents, but that's all you'll get to see. The physical book is 491 pages long, while the online-edition gives you only 414 pages.

When I attempted to bring this to the attention of the Amazon customer support staff, I was informed that my message informing them of this technical error was itself lost due to another technical error.

If I cannot have a refund, at least I can save my fellow customers from a frustrating experience.

This book has various mathematical errors in some of the key equations. Even the equation for the basic CPC is wrong.

Yet, in the first book, by Welford and Winston, the key equations are all correct. [Welford was a meticulous proof reader.]

This latest edition is a badly flawed book because of poor (if any) proof reading.

Get the 1st edition if you can (1978 version), to get the correct basic math, then use this edition for a reasonable review of more recent stuff.

This book is about a rather esoteric subject, but it is written so that it is valuable on a number of different levels. You can gloss over the mathematics and still gain a good understanding of the subject matter. This book is especially valuable if you involved in the solar industry and I found several of the concepts it covers to be most valuable in our projects.

Rather than a textbook, it is more appropriate to call this a paper compilation. Most of the proofing or numbers are shoved into the appendixes.