Portable Size: The SWAROVSKI OPTIK 12x42 NL Pure Binocular provides unprecedented nature experiences guaranteed by the 12x magnification with an objective lens diameter of 42mm. No FSB Functional Side Bag included. Large Field of View: The large field of view (339 feet at 1000 yards) with almost indiscernible edges allows you to experience nature as never before – and immerse yourself in the moment Detailed Images: SWAROVISION technology with innovative lens coatings provides excellent color rendering with high light transmission guarantees stunning images with incredible color fidelity Design: Keeping friction to a minimum was the key when working on the focusing mechanism. Precision threads and optimum surfaces all play their part in ensuring easy mobility Technology: NL binoculars also use proven magnesium technology to ensure maximum ruggedness combined with lightweight