Canon EF-M 18-150 mm F/3.5-6.3 IS STM For Canon EF-M Mount Medium Telephoto Lens is a Medium Telephoto Lens best Suitable for by Canon. Lets us go through few more important factor you must consider before buying a Camera Lens is 1. Focus Type (Also known as focus, also called an image point, is the point where light rays originating from a point on the object converge), Canon EF-M 18-150 mm F/3.5-6.3 IS STM For Canon EF-M Mount Medium Telephoto Lens comes up with Auto Focus,Manual Focus Focus Type. 2. Lens Mount A lens mount is an interface ? mechanical and often also electrical ? between a photographic camera body and a lens.), Canon EF-M 18-150 mm F/3.5-6.3 IS STM For Canon EF-M Mount Medium Telephoto Lens comes up with Canon EF-M Lens Mount. 3. Focal Length (Lens focal length tells us the angle of view, how much of the scene will be captured and the magnification), Canon EF-M 18-150 mm F/3.5-6.3 IS STM For Canon EF-M Mount Medium Telephoto Lens comes up with 18 - 150 mm Focal Length. 4. Focusing Distance (is the distance at which a lens can focus), Canon EF-M 18-150 mm F/3.5-6.3 IS STM For Canon EF-M Mount Medium Telephoto Lens comes up with 0.82 M Focusing Distance. 5. Max. magnification ratio (x) (Technically magnification ratio is a relation between the object size and the sensor size), Canon EF-M 18-150 mm F/3.5-6.3 IS STM For Canon EF-M Mount Medium Telephoto Lens comes up with 0.31 X Max. magnification ratio (x). 6. Last but the most important factor one must consider before buying a Lens is Filter Diameter (In photography filter size Refers to the inner diameter of the front of the lens, more specifically the threads into which a filter is screwed to attach it to the lens), Canon EF-M 18-150 mm F/3.5-6.3 IS STM For Canon EF-M Mount Medium Telephoto Lens comes up with ? 55 mm Filter Diameter.