1. It can increase the spatial depth of the photographic image. 2. A depth of area can that the doorway and rear of the subject to be photographed can appear clearly on the screen. 3. The policy discipline of the lens is , and the diversity of scenes is wide. 4. Scenes shot from a similar distance have a smaller photo in the back than scenes shot with usual specifics. 5. Defects of angle distortion and image distortion are liable to appear within the picture. The shorter the size of the lens and the nearer the distance, the extra apparent this defect is. Name: 49mm 0 wide-angle further lens Front finish diameter: 62mm Colour:black Material:plastic Package Contents: 1 x Macro pictures Lens Only the above equipment content, diversified products are usually not included. Note: Light and various reveals may cause the color of the item within the photo somewhat diversified from the genuine thing. The dimension allowed error is +/- 1-3cm.