The manual lens is exquisite in workmanship, high in precision and good in optical quality. It is worth owning and enjoying.The out-of-focus imaging of the lens is softer, suitable for half-length portraits and some larger flowers and plants.135mm F2.8 full frame lens for portrait, subject, architectural and landscape photography.The lens structure is 6 elements in 6 groups, with workmanship and sharp and clear imaging.Small design, portable and convenient.Lens type: manual fixed focus lensLens structure: 6 elements in 6 groupsNumber of leaves: 9Maximum : F/2.8Minimum : F/22The closest focusing distance: 1.5MMaximum magnification: 0.11Angle of view: 18 full frameColour:blackMaterial:ABS+metalSize:66MM x 103MMPackage Contents:1 x LensOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.