Providing a 35mm equivalent focal length of 130mm on the Credo 80/60 digital backs, the AF ULD 210mm f/4 IF Lens from Mamiya Leaf provides an excellent telephoto focal length well-suited to portraits on 645 AF mount medium format camera bodies. The lens features an f/4 maximum aperture which can be stopped down to f/32 for control over light and depth-of-field. Super low dispersion glass elements are also used to ensure good contrast and sharpness at all distances. And, it has both auto and manual focusing, with an internal focus mechanism which eliminates the need for external moving parts. The lens focuses as close as 6.6' and has a front filter thread diameter of 58mm. Additionally, it has a built-in retractable lens hood to limit flaring caused by external light sources.