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Hi guys, My name is Kevin, 33 years old from Dublin, Ireland. I have been into lasers since I was a kid and got my first red keychain laser, then was amazed when I got a "5mW" green laser from ebay which has now been lost somewhere in my collection of cheap greens! I also own a 1W Spartan 445nm...

Hi lads, another newbie post here but after reading through this forum for days I still haven't found the answers I was looking for in past threads! I am relatively new to lasers and just have a few questions about divergence. Most of my lasers are just cheap eBay 532's apart from my 1W 445...