E-Mount Lens/APS-C Format 97.5mm (35mm Equivalent) Aperture Range: f/2.8 to f/22 Three Extra-Low Dispersion Elements Manual Focus Design; Internal Focus Overview Close-focusing, apochromatic, and compact, the Laowa 65mm f/2.8 2x Ultra Macro APO from Venus Optics is a sleek telephoto prime designed for APS-C-format Sony E-mount mirrorless cameras. Its macro design enables a greater-than-life-size 2:1 maximum magnification along with a 6.7 minimum focusing distance to suit working with close subjects. In regard to the optics, it uses three extra-low dispersion elements to greatly reduce color fringing and chromatic aberrations in order to achieve a high degree of clarity and color accuracy. Additionally, it is a manual focus lens, with an internal focusing design, and has a nine-blade diaphragm to contribute to a smooth bokeh quality to suit shallow depth of field applications. Key Features E-Mount Lens/APS-C Format 97.5mm (35mm Equivalent) Aperture Range: f/2.8 to f/22 Three Extra-Low Dispersion Elements Maximum Magnification: 2:1 Minimum Focusing Distance: 6.7 Manual Focus Design; Internal Focus 9-Blade Diaphragm In the Box Laowa 65mm f/2.8 2x Ultra Macro APO Lens for Sony E Front Lens Cap Rear Lens Cap Limited 3-Year Warranty