text: The 60X and 90X are pretty useless, but the 30X is perfect.
  
  The small 60X and 90X lenses are too small to be of any use, but the large 30X lens and LED work perfect for what I use it for (Examining watches at flea markets before I buy). There is no On/Off switch for the LED as it turns on as soon as you open it, but if you push it back in a tiny amount, it will shut off. For less than $10, it really is a good deal.