Airtight joining element between an external container and a sup

Base body of a reflecting mirror and method for the preparation

Base body of reflecting mirror and method for preparing the same

Binoculars

Crystal isolation housing

Display panel and production method therefor

Flexible seal for adjustable side view mirror

Hermetically sealed diffraction optical element and...

Hermetically sealed optical mounting assembly

Hermetically sealed polished optical surface

Lamp reflector with a barrier coating of a plasma polymer

Lens barrel structure for waterproof camera

Lens holding technique

Light shielding structure

Mirror device including an elastic seal member and a vibrator fo

Moistureproof optical device

Optical device for use under significantly varying ambient...

Optical element with reduced reflectance

Protective optical filter assembly

Reflector