Key Features Full-Frame | f/2 to f/22 Short Portrait-Length Prime Fast Internal Focus System I Series Lens All-Metal Lens Barrel Dust & Splash-Resistant Design Knurled Focus and Aperture Rings Rounded 9-Blade Diaphragm

Key Features Full-Frame | f/2.8 to f/22 Compact, Versatile Wide-Normal Prime Fast Internal Focus System I Series Lens All-Metal Lens Barrel Dust & Splash-Resistant Design Knurled Focus and Aperture Rings Rounded 7-Blade Diaphragm

Key Features Full-Frame | f/2 to f/22 Short Portrait-Length Prime Fast Internal Focus System I Series Lens All-Metal Lens Barrel Dust & Splash-Resistant Design Knurled Focus and Aperture Rings Rounded 9-Blade Diaphragm

Key Features Full-Frame | f/2 to f/22 Short Portrait-Length Prime Fast Internal Focus System I Series Lens All-Metal Lens Barrel Dust & Splash-Resistant Design Knurled Focus and Aperture Rings Rounded 9-Blade Diaphragm

Key Features Full-Frame | f/4 to f/22 Compact Ultra-Wide Angle Prime Fast Internal Focus System I Series Lens All-Metal Lens Barrel Dust & Splash-Resistant Design Knurled Focus and Aperture Rings Rounded 7-Blade Diaphragm

Key Features Full-Frame | f/2 to f/22 Compact, Fast Wide-Angle Prime Fast Internal Focus System I Series Lens All-Metal Lens Barrel Dust & Splash-Resistant Design Knurled Focus and Aperture Rings Rounded 9-Blade Diaphragm

Key Features Full-Frame | f/2 to f/22 Compact, Fast Ultra-Wide Angle Prime Fast Internal Focus System I Series Lens All-Metal Lens Barrel Dust & Splash-Resistant Design Knurled Focus and Aperture Rings Rounded 9-Blade Diaphragm

Key Features Full-Frame | f/2 to f/22 Compact, Fast Ultra-Wide Angle Prime Fast Internal Focus System I Series Lens All-Metal Lens Barrel Dust & Splash-Resistant Design Knurled Focus and Aperture Rings Rounded 9-Blade Diaphragm

Key Features Full-Frame | f/2 to f/22 Compact, Fast Wide-Angle Prime Fast Internal Focus System I Series Lens All-Metal Lens Barrel Dust & Splash-Resistant Design Knurled Focus and Aperture Rings Rounded 9-Blade Diaphragm

Key Features Full-Frame | f/3.5 to f/22 Tiny Ultra-Wide Angle Prime Fast Internal Focus System I Series Lens All-Metal Lens Barrel Dust & Splash-Resistant Design Knurled Focus and Aperture Rings Rounded 7-Blade Diaphragm

Key Features 0.6 to 1.5 Optical Density Chroma Glass Promotes Neutral Color Profile Bi-Rotational, Independent Control Ball Bearing Locking Mechanism

Key Features Medium Format | f/4 to 22 22mm Full-Frame Equivalent Leaf Shutter with 1/4000 sec Sync Speed Linear Stepping Autofocus Motor 2 Aspherical Elements, 1 ED Element Minimum Focusing Distance: 8.7" Metal Body, Manual Focus Ring