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 excellent workmanship and sharp and clear imaging. Small design, portable and convenient. Lens type: manual fixed focus lens Lens structure: 6 elements in 6 groups Number of leaves: 9 Maximum : F/2.8 Minimum : F/22 The closest focusing distance: 1.5M Maximum magnification: 0.11 Angle of view: 18 full frame Size: 66MM x 103MM Colour:black Material:ABS+metal Package Contents: 1 x Lens Only 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.