Large f/2 maximum aperture insures bright images in the viewfinder and easy pinpoint focusing. Ideal for shooting candids in dim light, head-and-shoulder portraits, indoor sports, etc. Built in telescopic lens hood has been lengthened to further minimise flare when shooting against the light. Uses 72mm filters. Focal length- 135m f/2. Lens construction- 6 elements in 4 groups.Distance scale- Graduated in metres and feet from 1.3m (4.5ft.) to infinity (∞). Weight- 860g. Dimensions- 80.5mm dia. x 93.5mm extension from lens flange; 103mm long (overall). Lens case- CL-15S hard leatherette, No. 62 soft pouch, or CP-9 plastic. Usable teleconverter- TC-201* or TC-14A* *When used at apertures smaller than f/11 with fast shutter speeds, there is occasional uneven exposure.