Wide converter (x 0.7) for the lens for 35mm-FF sensor camera

Ricoh imaging (Pentax) filed patent of front wide converter lens (x 0.7) for the lens for 35mm full-frame sensor camera.

【公開番号】特開2018-4884(P2018-4884A) click here
【公開日】平成30年1月11日(2018.1.11)
【発明の名称】副光学系

Specification and lens arrangement of embodiment 1
FNO. 2.2
f 28.84
W 39.5
Y 21.64
fB 37.78

WL and ML are wide converter and master (smc PENTAX-FA 35mmF2AL) lenses, respectively.

Ricoh may decide to expand 35mm-FF sensor lens line-up by a converter lens.