This 18mm 10x Triplet Loupe is ideal for inspecting jewellery on the go or in your office. The included leather carrying case is great for keeping your loupe in pristine condition! Its small size will fit easily and conveniently in your pocket. This loupe is Aplanatic & Distortion-Free. The lens is Achromatic & Colour Corrected. It also comes in 5 vivid colours: Black, Blue, Silver, Gold, Pink!