DIGITAL LENS

Brand Owner Address Description
DIGI-LENS OCUSOFT, INC. 30444 SW Freeway Rosenberg TX 77471 DIGITAL-LENS;Medical devices for use by eye care professionals in treating eye diseases and conditions by applying heat and very gentle pressure to the eyelids; medical devices for applying heat and gentle pressure to the eyelids; medical devices, and parts and components therefor, for treating dry eyes and meibomian gland dysfunction by applying heat and very gentle pressure to the eyelids;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. An object of the present invention is to provide a fisheye lens, in spite of its compactness, having an angle of view of 180 degrees and a fast f-number of 2.8 with securing sufficient back focal length and suitable for a digital camera. The fisheye lens consists of a front lens group G1 having negative refractive power and a rear lens group G2 having positive refractive power locating with a space along the optical axis apart from the front lens group G1. The front lens group G1 includes a plurality of negative lens components, L1 and L2. The rear lens group G2 includes at least one cemented lens L5, and given conditional expressions are satisfied.