Built-in Autofocus and Manual Focus The lens supports two focus modes: autofocus and manual focus, giving photographers great flexibility in handling various shooting scenarios. 11 Aperture Blades for Perfect Portrait Effect The lens has 11 aperture blades that produce soft and smooth light circles, especially in portraits, while reducing optical aberrations and improving detail quality. Professional Design Prime Lens This lens is classified as a Prime lens, ensuring high-quality optical performance with reduced distortion and increased image clarity.