Fujinon Lenses 
Fujinon YV10X5B-SA2L 5-50mm A/I Varifocal Lens YV10X5B-SA2L

YV10X5BSA2L : 5.0 - 50mm auto iris varifocal Lens

The compact wide-range vari-focal YV10X5B lens features the most versatile focal range in its class (5-50mm), while featuring a fast F1.3 aperture.