Tokina 80-200mm f/4.5 lens, 52mm filter diameter. - Model: 80-200mm f/4.5 - Filter Diameter: 52mm - Focal Length: 80-200mm - Aperture: f/4.5 - Brand: Tokina Thank you for viewing. Focal Length (Wide): 71-150mm Focal Length (Telephoto): 101-200mm Open F-value: 4.1-5.6 OM Mount Other Features: Old Lens This is an old lens. We are looking for buyers who understand that this is a junk item and will be sold as-is. Although there is considerable clouding, a 2x teleconverter, 2x CFE TELEPULUS MC8, will be included as a bonus.