The K -mount lens series is the first sinking mechanism of the Series, and the world's thinnest size of 41 mm is 41mm.While achieving overwhelming miniaturization with excellent portability, by adopting an abnormal low -distributed glass that corrects our own HD coating, an abnormal low -distributed glass that corrects various income, etc.We have achieved high clear depictions.Furthermore, by using the lens body as a drip -proof structure, the reliability and durability in various environments such as outdoors are enhanced.- lens type Standard Zoom Focal length (35mm format) 18-50mm (equivalent to 27.5-76.5mm) open aperture value F4-5.6 minimum aperture F22-32 angle of view 76-31.5 ° lens configuration 11 pieces of 8 groups Number of squeezed feathers 7 sheets Circular aperture (18mm: F4-5.6 50mm: F5.6-8) The shortest shooting distance 0.3m Maximum shooting magnification 0.23 times Filter diameter 58mm Maximum diameter x length about 71mm x about 41mm Mass (weight): Approximately 158g (with hood: about 165g)