70 - 300 Zoom Lens

Focal Length: 75–300mm telephoto zoom Maximum Aperture: f/4 at 75mm sliding down to f/5.6 at 300mm Filter Thread Size: 55mm (as indicated by the ∅ 55 marking on the barrel) Manufacturer: Quantaray was a private house brand primarily sold through Ritz Camera. These lenses were typically produced by third-party optics manufacturers like Sigma and rebadged under the Quantaray name.