LAOWA 25mm f/2.8 2.5-5X Ultra Macro The most compact and versatile high magnification macro lens. Optimized for macro shooting between 2.5X – 5X life size. Specially designed with an extended working distance (45mm at 2.5x & 40mm at 2x)and smaller lens barrel. This allows a sufficient lighting on the object for easier shooting in the field. Much lighter and more compact than other products in category. Provides a relatively greater depth of field than other extreme macro lenses on the market. The Laowa 25mm f/2.8 2.5-5X is developed for both professional and leisure macro photography, to be used on the field or in indoor set-up.