Price negotiations will not be accepted. This is the VILTROX full-frame compatible autofocus prime lens, AF 20/2.8 FE E-Mount. It's a 20mm wide-angle prime lens, perfect for landscape and astrophotography. [Brand] VILTROX [Model Number] AF 20/2.8 FE [Mount] E-Mount [Focal Length] 20mm [Aperture] F2.8 [Compatible Sensor Size] Full Frame Thank you. VILTROX Viltrox AF 20mm F2.8 AIR Sony E Brand: VILTROX Lens Type: Single Focal Length Focal Range: Ultra Wide Angle Optical Zoom: 1.0x Focus: Autofocus Mount: Sony E Compatible Sensor Size (Max): Full Frame Focal Length (Wide): 20.0 mm Focal Length (Tele): 20.0 mm Maximum Aperture: F2.8 Minimum Shooting Distance (m): 0.19 m Image Stabilization: None Filter Compatibility: Yes Filter Diameter: 52.0 mm Dimensions (Maximum Diameter): 65.0 mm Dimensions (Length): 59.5 mm Weight (g): 157.0 g Color: Black