Exposure projection apparatus

Extension spring installation structure of a lens barrel

External lens device and method for mounting same

Eye cup moving mechanism of optical device

Eyepiece modification for astronomical telescopes

Fabrication of MEMS zoom lens structure

Feed screw mechanism with linear movement and rotation adjusting

Filter change-over device

Fine actuator

Fine adjustment mechanism

Fixation method for optical member and optical unit

Fixing method for resin lens

Fixing structure for parts of optical element, image data...

Flange assembly of an optical system

Flat spring plate and lens actuator with same

Flexible lens mount

Flexure assemblies and methods of making the same

Flexure suspension for two axis actuator

Flexure-ring for centering a concave lens in a bore of a...

Flexured athermalized pseudokinematic mount