Resources Contact Us Home
Binocular telescope with auxiliary lens system

Image Number 4 for United States Patent #5000556.

Auxiliary lens cylinders constituting a tele-or wide-conversion lens system can be held in and away from the front of the objective lenses of a binocular telescope, so that the main lens system of the binocular telescope can be converted to a highly magnifying tele-conversion or wide-conversion system without influencing the position of image obtained with the main lens system.

  Recently Added Patents
Dynamic facsimile transcoding in a unified messaging platform
Device chip carriers, modules, and methods of forming thereof
System and method to assess and report the health of landing gear related components
Session transfer method, application server, and communications system
Method for determining a corrected variance representative of the condition of reception of signals representative of symbols
Methods and systems for creating a tail risk hedge index and trading derivative products based thereon
Method for transmitting a signal from a transmitter to a receiver in a power line communication network, transmitter, receiver, power line communication modem and power line communication syst
  Randomly Featured Patents
Phone holder
Wood panel
Osteoimplant and method for making same
Flame-retardant composition of polyphenylene ether, polystyrene resin and polyphosphonate
Remote controller, electrical apparatus and wireless controlling system for controlling the electrical apparatus to turn on at a startup time
Electrically heated toolbox
Fuel cell catalyst material, fuel cell electrode, membrane-electrode assembly, fuel cell, fuel cell catalyst material manufacturing method, and fuel cell electrode manufacturing method
Protective means for a lifting/tilting or tilting device
Process for producing information carrying discs
Automatic coiling machine