The world's first large -diameter F1.8 diagonal angle of angle of F1.8 is the birth of 180 ° fish illens.You can enjoy an unprecedented impressive image of the optical performance of excellent description power from the center to the surrounding area, dust and drip -proof, robustness unique to the M.ZUIKO Pro series.In addition, if you use an optional waterproof lens port, you can shoot ultra -wide angle in the water.- Focal Distance 8mm (35mm format equivalent 16mm) lens configuration 17 groups (1 aspheric lens, 3 super ED lenses, 2 ED lenses, 1 super HR lens, 2 HR lenses) Drip -proof processing Dust -proofing Organization Focusing method High Speed Image AF (MSC) angle of view 180 degrees The shortest shooting distance 0.12 m Maximum shooting magnification 0.20 times (35mm format equivalent to 0.40 times) Recently shooting range 154 mm x 82 mm Number of squeezed wings 7 sheets (circular aperture) Maximum caliber ratio F1.8 minimum caliber ratio F22 Maximum size x total length φ 62 mm x 80 mm Mass 315g bundled product Front cap (LC-62E), rear cap (LR-2), lens case (LSC-0811), instruction manual, warranty card