Tamron CF Macro 28 - 70mm f/3.5 - 4.5 Lens (Olympus OM Mount) The aperture ring and focusing

The aperture ring and focusing helicoid both turn smoothly

Internal Hood Diameter: 60mm

switches and buttons are all functional

5V 394 Battery or Equivalent

Tamron CF Macro 28 - 70mm f/3.5 - 4.5 Lens (Olympus OM Mount) The aperture ring and focusingGeneral Specifications: Manufacturer: Tamron Lens Mount: Olympus OM Mount Focal Length: 28 70 mm Max., Min. Aperture: f 3. 5 (at 28mm), f 22 Filter Thread: 62mm Focus Type: Manual Overall Condition Excellent (E1 M1 O2 C2) Mechanical: The zoom, aperture and focusing ring all rotate smoothly. Optical: The lens is mostly optically clear. There is a small amount of dust, but no fungus, haze or separation. Cosmetic: This exterior of the lens is in good