Focus: Manual
Focal Length:100-500mm (push-pull zoom)
Maximum Aperture: f5.6
Minimum Aperture: f32
Number of Diaphragm Blades: 8
Diaphragm Type: auto
Filter Size: 72mm
Maximum Magnification: 1:2.5
Coating: Multi-coated
Metal K mount
Lens Released: 85
New Old Stock, Box has shelf wear from age. Brand New , never used!! RARE!!!!!!