LAOWA 25mm f/2.8 2.5-5X Ultra Macro, the most compact and versatile high magnification macro lens. This lens is optimized for macro shooting between 2.5X – 5X life size. The lens is specially designed with an extended working distance (45mm at 2.5x & 40mm at 2x) and smaller lens barrel. This allow a sufficient lighting con the object for easier shooting in the field. The lens is much more compact and lighter than other comparative products. This lens also provides a relatively greater depth of field compared to other extreme macro lens in the market.