My father (a university professor) has asked me to find him a 5mw green laser pointer, primarily for lecture-hall use. He specified that it be in the $20 (US) range, but I realize that may not be realistic. That said, let's keep it below $50.
I'm not looking for incredible brightness...
Greetings,
Until recently, I'd never owned a laser beyond the cheap "keychain" sort. When my wife told me that she needed a decent laser to use as a pointer for her presentations, it sounded to me like she said "Go shopping for lasers, and have fun!" which is not something you hear from your...