Nikon 45mm f/2.8 Nikkor AI-S Manual Focus Lens for Nikon Digital SLR Cameras (Silver) Compatible with all exposure modes of CPU-controlled Nikon SLRs (P-Type Nikkor), as well as F3HP, FM3A and FM-10 Special silver finish matches silver FM3A &amp; other select SLR cameras Includes matching HB-35 lens hood, NC filter, plus front &amp; rear lens caps Seven bladed rounded diaphragm produces more natural out-of-focus highlights Lens construction - 4 elements in 3 groups