It is a 0.45x magnification lens for use with select Nikon DSLR cameras, which can more than double your camera's angle of view. This conversion lens comprises two parts that can be unscrewed and separated, namely, a macro part and wide-angle part. Thus, its user can use it as a macro lens (without wide angle part) and as a combined wide angle with macro lens. This unique feature of this lens is definitely worth its price. Easy to use The 52mm wide angle lens can be screwed in front of your regular lens adapter provided it has 52 mm lens filter threads. This 2x professional telephoto conversion lens is designed to meet the highest optical standards in the photo industry. Armed with a Professional High Definition (PHD) lens, there is a reduction in flare and ghosting caused by light bouncing off the sensor. The special element frame featuring a special matte aluminium satin finish also decreases reflections and optimizes your image quality. Further, light reflection around lens is also reduced by the high-quality premium rimmed glass edge. Infrared compatible This 52mm wide angle lens is infrared compatible and can be used during the day or night to obtain high-resolution recordings. It is multi-coated and equipped with high-quality crystal optics and is therefore suited to any photographic situation. This 52mm lens is particularly good for landscape photography or when you want a slight curvature of field in the recording. So buy this fully automatic 52mm wide angle lens for Nikon cameras at a reasonable price on Ebay and enjoy a great photography experience with this two in one lens. Mount Type: Nikon F-Bayonet Focal Length: 52 mm Magnification: 0.45x Lens Construction: 2-2 fully Multi-Coated Format: DX Weight: 170 g Dimensions: 7.8 x 7.8 x 6.8 cm MOUNT THREAD: 52 mm straight.