Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Zoom lens system, imaging device and camera










Image Number 10 for United States Patent #7319563.

An object is to provide a high-resolution zoom lens system which has fewer lens elements and therefore, can be retracted into a compact form when not in use; and the zoom lens system, in order from the object side, comprises a first lens unit G1 having negative power, a second lens unit G2 having positive power and a third lens unit G3 having positive power, wherein magnification is varied with change in intervals between each lens unit by independently moving each lens unit along an optical axis, in which the first lens unit G1 comprises one negative lens element L1 and one positive lens element L2, the second lens unit G2 comprises only a cemented lens element having set of three lens elements L3, L4 and L5 which are cemented with each other, and the third lens unit G3 comprises one positive lens element L6.








 
 
  Recently Added Patents
Method and system for remapping processing elements in a pipeline of a graphics processing unit
Light emitting device
Constant low-flow air source control system and method
Molecular sieve
Portable hand-held multi-function device for storing, managing and combining rewards
Monitoring heap in real-time by a mobile agent to assess performance of virtual machine
Determination method for a reinitialization of a temporal sequence of fluoroscopic images of an examination region of an examination object
  Randomly Featured Patents
Recoil mechanisms
Refill kit and method for refilling an ink supply for an ink-jet printer
Photodetector element
Tandem gate release mechanism for a vending machine
Marking system and method
Nanoparticulate affinity capture for label independent detection system
Programmable controller which allows control in formation to be updated during execution
Ice dispenser
Machine used for drilling, tapping and milling, and having an automatic tool changing system
System for delivering and enabling interactivity with images