Most often, many subtle things can be discovered through a comparison. At first sight of hand camera lens and ring camera lens, we hold the idea that they are the same. Actually, through a comparison, we can discover that they are very different in many aspects.
In the first place, the camera lens is different. Hand camera lens uses the most advanced chip camera lens which is thin in shape and sensitive in light while the ring camera lens uses the spy camera lens. Because of the materials and techniques, it has also the difference in their cost.
In the second place, the installment position is different. Hand camera lens is installed into a man’s palm of hand while the ring camera lens is fixed into a ring. Both of them are for poker analyzer and very secret and safe for poker gamblers to use to cheat at poker games. • Source: http://www.eyepokeranalyzer.com/news/988.html