Versatile: The Venus Laowa 25mm f/2.8 2.5-5x Lens is the most compact and versatile high magnification macro lens. This lens is optimized for macro shooting between 2.5-5x life-size. The lens is specially designed with an extended working distance (45mm at 2.5x and 40mm at 5x) and a small lens barrel | Macro Photography: Dedicated to extreme close-up imaging, this lens is a specialized macro lens for photographing subjects at magnifications greater than life-size. Specifically developed for macro photography, this lens is designed for use within a 2.5:1 to 5:1 magnification range for producing greater-than-life-size imagery | Superb Optical Performance: Complementing the close-up capabilities, the optical design incorporates 8 elements in 6 groups with an extra-low dispersion element to deliver an unprecedented corner to corner sharpness. The extra-low dispersion element reduces color fringing and chromatic aberrations for a high degree of clarity | Greater Depth of Feild: The wide-angle design with a magnification range from 2.5 to 5x benefits the high magnification design by providing greater depth of field compared to telephoto or long lens designs | Features: Laowa 25mm f/2.8 2.5-5x Ultra Macro has one of the smallest and lightest barrel of lenses in its class. This allows more light to gather on the subject and convenient to use in fields