Prism system for image inversion in a visual observation...

Prism to provide visibility of a signal light in two directions

Prism unit and laser device

Prism, imaging device and lighting device including the...

Prismatic device for use with process refractometers

Process for constructing computer network system of tenant intel

Radiation amassment device derived through cyclical...

Rapidly changing dichroic beamsplitter in epifluorescent...

Real image mode finder optical system

Real image mode finder optical system having an objective lens i

Real image type finder

Real image type finder optical system

Real image type finder system that changes an aspect ratio of a

Real image type variable magnification view-finder optical syste

Real image type view finder

Real image zoom viewfinder

Real image zoom viewfinder

Real-image finder

Rectangular prism including a V-shaped groove at a boundary

Reflecting prism and a finder system having a reflecting prism