Arnold International
Projection lens
A projection lens having a first lens group of negative refractive power and a second lens group of positive refractive power, in order from the enlarging side of the projection lens. A stop is positioned within a specified distance of the projection lens element surface nearest the reducing side. The second lens group consists of four lens elements of positive, positive, negative, and positive refractive power, in order from the enlarging side. Specified conditions are preferably satisfied in order to make the projection lens compact and to ensure that various aberrations are favorably corrected.
Fuji Photo Optical Co., Ltd.
G G G
G02B G02B G02B
inventional inventional inventional
Hiroshi
Yamada