Light shielding structure of a retractable lens barrel
Light shielding structure of an optical device
Linear micro motor
Linear-motion helicoid mechanism for CCTV camera
Locking mechanism of zoom lens
Long focal length macrolens system
Macro lens
Macro lens
Macro lens system
Macro lens system
Magnification adjustment system for a variable power rifle scope
Magnification changing lens
Magnification varying optical system and image taking apparatus
Magnifying projecting lens
Manual and automatic apparatus for lens barrel
Manually adjustable apparatus for a zoom lens
Mechanical cam type zoom lens device
Mechanism correcting a trembling of focused image
Mechanism element for optical devices
Mechanism for eye contact element of optical device