Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary Lens

Key Information:

•Model: Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary Lens
•Type: Telephoto zoom lens
•Mounts: Available in Canon EF, Nikon F, Sigma SA, and Sony E-mount
•Compatibility: Full-frame and APS-C format cameras

Detailed Specifications:

•Focal Length: 100-400mm
•Maximum Aperture: f/5-6.3
•Minimum Aperture: f/22
•Lens Construction: 21 elements in 15 groups
•Angle of View: 24.4° - 6.2°
•Minimum Focus Distance: 5.25 feet (1.6 meters)
•Maximum Magnification Ratio: 0.26x
•Diaphragm Blades: 9, rounded
•Filter Size: 67mm
•Dimensions: 3.4 x 7.2 inches (86.4 x 182.3 mm)
•Weight: 2.55 lbs (1,160 g)
•Image Stabilization: Optical Stabilizer (OS)
•Focus Type: Autofocus with Hyper Sonic Motor (HSM)
•Special Elements: 4 SLD (Special Low Dispersion) glass elements to minimize chromatic aberrations

How and Why This is a Great Product:

1. Versatile Telephoto Range:

•100-400mm Focal Length: The extensive focal length range is ideal for wildlife, sports, and action photography, providing the ability to capture distant subjects with ease.
•Full-Frame Compatibility: Suitable for full-frame cameras, but also compatible with APS-C sensors, where it provides an effective focal length range of approximately 150-600mm.

2. High-Quality Optics:

•SLD Glass Elements: Incorporates four Special Low Dispersion elements to minimize chromatic aberrations and color fringing, ensuring high image clarity and sharpness throughout the zoom range.
•Advanced Optical Design: The sophisticated lens construction contributes to excellent image quality, with reduced distortion and improved color accuracy.

3. Effective Image Stabilization:

•Optical Stabilizer (OS): The built-in optical stabilizer helps to minimize camera shake, allowing for sharper images when shooting handheld, especially at longer focal lengths.

4. Fast and Quiet Autofocus:

•Hyper Sonic Motor (HSM): Provides fast, accurate, and quiet autofocus, which is crucial for capturing fast-moving subjects and maintaining focus in dynamic shooting environments.

5. Compact and Lightweight Design:

•Portability: Despite its long focal length, the lens maintains a relatively compact and lightweight form factor, making it easier to carry and handle during extended shooting sessions.
•Build Quality: Part of Sigma’s Contemporary line, the lens is designed to balance performance with portability, ensuring durability and ease of use.

6. Enhanced Functionality:

•Rounded Diaphragm Blades: The 9 rounded diaphragm blades contribute to a pleasing out-of-focus quality, enhancing the bokeh effect for more aesthetically pleasing images.
•Focus Limiter Switch: The focus limiter switch allows photographers to limit the focus range for faster focusing performance, particularly useful in specific shooting situations.

7. Compatibility and Flexibility:

•Multiple Mount Options: Available for Canon EF, Nikon F, Sigma SA, and Sony E-mount, providing flexibility for use with different camera systems.
•Lens Hood and Tripod Collar: The lens comes with a lens hood to reduce flare and a tripod collar for better balance and stability when using a tripod.


The Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary Lens is an outstanding telephoto zoom lens that combines versatility, high-quality optics, and advanced features. Its extensive focal length range, effective image stabilization, and fast autofocus make it ideal for capturing distant subjects in wildlife, sports, and action photography. The compact and lightweight design, along with the enhanced functionality and compatibility with multiple camera mounts, make it a valuable addition to any photographer’s kit. This lens offers a perfect blend of performance and portability, ensuring sharp, clear images in a wide range of shooting scenarios.