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I bought these to help me see my electronics projects and also to see fine details and defects on machine tools. This is a product unboxing and review. The image quality is good on all lenses but you can't get a binocular, stereoscopic view. I guess now that that is not an option on any tool like this, but I didn't appreciate it when I bought these, so perhaps you will find that information helpful. The LED lights are essential because you have to hold the object so close to the lens that light is blocked. Still, these will be useful for me. I will use them with one lens only too see very fine detail for grinding machine tools and for fine soldering work. I'll use my other "bifocal optical assistant" (see video) for run-of-the mill shop work. Here is the EBay listing I used: http://www.ebay.co.uk/itm/171287466739 UK delivery took the predicted three days. I've subsequently seen this item on sale for