Pop Light start RGB. Specifications: - Model: AF 16/1.8 FE. - Format: Full frame. - Focus method: AF, MF. - Filter size 77 mm. - Angle of view: 105.6°. - Focal length: 16 mm. - Aperture: F1.8~F16. - Number of aperture blades: 9. **For further product information, please contact Chat Support**