Retrofocus wide-angle lens

Retrofocus, wide-angle lens

Retrofocus-type lens system

Retrofocus-type wide angle lens system having a fixed front lens

Retrofoucus photographic lens

Retroreflective device comprising gradient index lenses

Retroreflective lens

Reverse Galilean finder with projected front window

Reverse telephoto agron objective lens

Reverse telephoto lens

Reverse telephoto zoom lens

Reversed galilean finder optical system

Revolver control device

Revolving optical eyepiece and the adjusting method thereof

Ring device with optical focusing mechanism

Ring member shift mechanism and lens group shift mechanism

Ring zonal phase correction lens and optical system and...

Rod integrator holder and projection type image display...

Rod lens and laser marking apparatus

Rod lens array and life-size imaging optical apparatus using the