This x27 box zoom lens, employing the latest optical simulation technology, reduces loss of definition at the periphery of the screen and can realize 4k image quality in any zoom from 6.5mm at wide angle to 180mm. Box lenses have been in use by broadcasting companies for generations. Therefore, the familiarity of this product and the retention of classic style reassured those who had been used to previous models. The use of special materials, surface treatment and robust styling were employed to offer new users the strong presence of a well known product.