Sigma 300-600mm F4 DG OS Sports: The Ultimate Ultra-Telephoto Zoom Lens
If you’re passionate about capturing wildlife, sports, or action, the new Sigma 300-600mm F4 DG OS Sports lens is a game-changer. This innovative ultra-telephoto zoom lens combines the flexibility of a zoom with the exceptional image quality and brightness you’d expect from a prime lens—making it a must-have for serious photographers.
Prime Performance, Zoom Freedom
Traditionally, prime lenses are known for their superior optical quality, but they lock you into a single focal length. The Sigma 300-600mm F4 DG OS Sports breaks this mold, offering the freedom to zoom from 300mm to 600mm without sacrificing sharpness or clarity. Its inner zoom mechanism keeps the center of gravity stable, ensuring smooth handling across the entire zoom range.
Cutting-Edge Optics
Inside, you’ll find 28 lens elements in 21 groups, including advanced FLD and SLD glass. This sophisticated design corrects chromatic aberrations and other optical flaws, delivering crisp, vibrant images at every focal length. Whether you’re shooting distant wildlife or fast-paced sports, you’ll get the kind of detail and color accuracy that professionals demand.
Fast Autofocus & Powerful Stabilization
Speed matters when the perfect shot lasts only a moment. Sigma’s High-response Linear Actuator (HLA) motor delivers rapid, precise autofocus—even with the lens’s large F4 aperture. Plus, the OS2 optical stabilization algorithm provides up to 5.5 stops of shake reduction at 600mm, helping you nail sharp images in challenging conditions. Choose between two stabilization modes: one for general shooting and another optimized for panning shots.
Built for the Field
Durability and usability are at the heart of the Sigma Sports line. The lens barrel is crafted from magnesium alloy, while the hood uses lightweight carbon fiber. A special thermal insulation paint keeps the lens cool during long outdoor shoots, and the weather-sealed construction protects against dust and moisture. Maintenance is easy, thanks to water- and oil-repellent coatings on the front element.
Enhanced Features for Creative Control
Sigma has packed this lens with features to support your creative vision:
Function Ring: Instantly shift focus to a preset position or smoothly adjust focus speed for video work.
Tripod Socket: Durable, smooth-rotating, and compatible with Arca-Swiss clamps.
Drop-In Filter Holder: Supports standard 40.5mm filters, plus new circular polarizing and variable ND filters (sold separately).
Customizable Controls: Multiple AFL buttons, focus mode and limiter switches, OS mode selector, and more.
For L-Mount users, the lens is compatible with Sigma’s teleconverters, extending your reach up to 1,200mm with autofocus.
Final Thoughts
The Sigma 300-600mm F4 DG OS Sports lens is designed for photographers who refuse to compromise. It’s robust, versatile, and packed with technology to help you capture stunning images—no matter how fast the action or how far the subject.
Note: Due to high demand, new orders are currently on backorder until mid-2026.
Pricing & Availability in Canada and USA
Canada:
The Sigma 300-600mm F4 DG OS Sports lens is available for pre-order at major retailers such as Sigma Canada and Henry’s, with a retail price of $8,799.95 CAD. Due to high demand, new orders are currently on backorder and are not expected to ship until mid-2026. [sigmacanada.ca]
USA:
In the United States, the lens is listed at $6,599 USD at B&H Photo and other authorized dealers. The official launch was April 2025, but stock is limited and many retailers are offering pre-order or stock alerts. [bhphotovideo.com]
Note:
Pricing may vary slightly depending on the retailer and mount type (Sony E or L-Mount). Be sure to check with your preferred dealer for the latest availability and shipping estimates.
How Does the Sigma 300-600mm F4 DG OS Sports Compare?
1. Sigma 300-600mm F4 DG OS Sports
Focal Range: 300-600mm
Aperture: Constant F4
Weight: ~3.98 kg (8.8 lbs)
Price: $6,599 USD / $8,799 CAD
Mounts: Sony E, L-Mount
Key Features: Internal zoom, pro-grade build, 5.5 stops stabilization, drop-in filter, weather sealing, advanced controls
Strengths: Unique constant F4 zoom, prime-like sharpness, robust build, extensive controls
Weaknesses: Heavy, expensive, currently backordered [pcmag.com]
2. Sony FE 200-600mm F5.6-6.3 G OSS
Focal Range: 200-600mm
Aperture: F5.6-6.3 variable
Weight: 2.1 kg (4.65 lbs)
Price: ~$1,998 USD
Mount: Sony E
Strengths: Lighter, much more affordable, excellent for wildlife and sports, good stabilization
Weaknesses: Slower aperture (less light, less background blur), not as sharp at 600mm, less robust build
Best For: Enthusiasts, those needing reach on a budget [cameradecision.com]
3. Nikon Z 180-600mm F5.6-6.3 VR
Focal Range: 180-600mm
Aperture: F5.6-6.3 variable
Weight: 2.14 kg (4.7 lbs)
Price: ~$1,896 USD
Mount: Nikon Z
Strengths: Wide zoom range, affordable, lightweight, good stabilization
Weaknesses: Slower aperture, less background separation, not as sharp at long end
Best For: Nikon Z shooters wanting reach without breaking the bank [cameradecision.com]
4. Canon RF 600mm F4 L IS USM
Focal Range: 600mm (prime)
Aperture: F4
Weight: 3.1 kg (6.8 lbs)
Price: ~$14,499 USD
Mount: Canon RF
Strengths: Legendary sharpness, fast AF, lighter than Sigma, pro build
Weaknesses: Fixed focal length, extremely expensive
Best For: Canon professionals needing the absolute best at 600mm [bhphotovideo.com]
5. Sigma 150-600mm F5-6.3 DG DN OS Sports
Focal Range: 150-600mm
Aperture: F5-6.3 variable
Weight: 2.1 kg (4.6 lbs)
Price: ~$1,499 USD
Mounts: Sony E, L-Mount
Strengths: Affordable, lighter, good reach, solid performance
Weaknesses: Slower aperture, less sharpness and background blur than 300-600mm F4
Best For: Budget-conscious shooters, travel [cameradecision.com]
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