Main Specifications Model number XC50-230mmF4.5-6.7 OIS II Lens arrangement 10 group 13 sheets ( 1 aspherical lens , a single anomalous dispersion lens ) Focal length f = 50 - 230mm (35mm -format equivalent : 76 - 350mm equivalent ) Angle of view 31.7 ° - 7.1 ° Maximum aperture ratio ( open aperture ) F4.5 - F6.7 Minimum aperture F22 Stop format Number of blades Seven and ( circular aperture ) Step step 1/3 step ( all 15 stages) Shooting distance range standard 1.1m ~ ∞ ( the entire zoom range ) Macro 1.1m ~ 3m Maximum magnification 0.2 times ( telephoto end ) Dimensions: maximum diameter × length ( about ) To mount reference surface from the tip ※ ø69.5mm × 111mm ( wide end ) / 177mm ( telephoto end ) Mass ( approximately ) ※ lens cap Food not included 375g Filter Size ø58mm