Vintage Sigma Zoom-K 35-135mm f/3.5-4.5 Lens Macro 55mm w/ 2X Teleconverter

Brand: Sigma Model/Series: SIGMA ZOOM-K Focal Length: 35-135mm Maximum Aperture: f/3.5–4.5 Front ring text: "SIGMA ZOOM-K 1:3.5~4.5 f=35~135mm MULTI-COATED • LENS MADE IN JAPAN ø55" Filter thread size: 55mm Included filter: HOYA HMC 55mm SKYLIGHT (1B) JAPAN (installed) Features: Multi-Coated optics; Macro marking 1:4 at 135mm; manual focus SLR zoom Included accessory: Super Albinar Auto Tele Converter 2X (manual focus SLR 2x teleconverter) Caps: Sigma front cap on lens; additional Olympus-branded cap shown; see photos for what is included Country of origin: Lens made in Japan Mount: Manual-focus SLR bayonet; please review rear-mount photos to verify compatibility for your camera system Other items shown: Soft padded sleeve/pouch visible in first photo is included Notes: Vintage manual-focus lens and 2x teleconverter set; great for film SLRs or adapted digital use (with appropriate adapter, not included). Compatibility and performance not tested—sold as pictured.