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

Reflective cluster display

Reflective optical system

Reflective prism device

Reflector type prism and reflector type prism forming die

Resin-molded prism and mold for the same

Roof prism