• Sigma 300-600mm f4 DG OS Sports - 1778688
  • Sigma 300-600mm f4 DG OS Sports - 1778688
  • Sigma 300-600mm f4 DG OS Sports - 1778688
  • Sigma 300-600mm f4 DG OS Sports - 1778688
  • Sigma 300-600mm f4 DG OS Sports - 1778688
  • Sigma 300-600mm f4 DG OS Sports - 1778688
  • Sigma 300-600mm f4 DG OS Sports - 1778688
  • Sigma 300-600mm f4 DG OS Sports - 1778688
  • Sigma 300-600mm f4 DG OS Sports - 1778688
  • Sigma 300-600mm f4 DG OS Sports - 1778688

Sigma 300-600mm f4 DG OS Sports - 1778688

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Sigma 300-600mm f4 DG OS Sports - 1778688

The Sigma 300-600mm F4 DG OS | Sports is a revolutionary large-aperture ultra-telephoto zoom lens that delivers all the convenience and versatility of a zoom lens with the superior optical performance of an ultra-telephoto prime lens. With the Sigma 300-600mm F4 DG OS | Sports, photographers can move freely between focal lengths of 300mm and 600mm without changing lenses. The fast and precise AF performance of its High-response Linear Actuator (HLA)  and 5.5 stops* of optical stabilization at 600mm  make the Sigma 300-600mm F4 DG OS | Sports a powerful choice for the challenges of sports, action and wildlife photography, where situations change quickly and the opportunity for the perfect photo lasts only a few moments. Featuring a magnesium alloy body, thermal insulation paint and a number of additional features such as the newly added function ring, the Sigma 300-600mm F4 DG OS | Sports has been designed to support professionals achieve their best shots.

What our Experts Think
  • Pro‑level optical quality: Delivers near‑prime performance across the full 300–600 mm range with advanced FLD/SLD elements and strong chromatic aberration control — exceptional sharpness and contrast throughout zoom range.
  • Outstanding value: Compared to traditional 600 mm F4 prime lenses, this zoom offers similar results at a much lower cost, making it a game‑changer for pros seeking reach and performance without multiple prime lenses.
  • Fast, reliable autofocus: High‑response Linear Actuator (HLA) provides speedy, accurate AF suitable for sports, action and wildlife situations where decisive focus is critical.
  • Powerful stabilization: Up to ~5.5 stops of optical stabilization at 600 mm keeps shots steady even handheld or on gimbals — with dedicated panning mode for tracked motion.
  • Professional build: Weather‑sealed magnesium alloy body, thermal insulation and functional controls (focus preset, power focus) support rugged use in challenging environments.
  • Award‑winning design: Recognized by industry bodies for excellence in the ultra‑telephoto zoom category — a nod to its balance of performance, versatility and innovation.
  • Considerations: Heavier than typical telephoto zooms (~4 kg) and not parfocal, so tripod support and thoughtful AF strategy are recommended for fast action workflows.
Q&A

Q: What type of lens is the Sigma 300‑600mm f/4 DG OS Sports?
A: A professional ultra‑telephoto zoom lens with a constant f/4 aperture, designed for sports, action, and wildlife photography.

Q: What focal range and aperture does it offer?
A: 300–600 mm focal range with a bright constant f/4 aperture for better low‑light performance and depth‑of‑field control.

Q: Which camera mounts are supported?
A: Available in L‑Mount and Sony E‑mount for full‑frame mirrorless systems.

Q: How does autofocus perform?
A: Features a high‑response linear actuator (HLA) for fast, precise autofocus ideal for tracking moving subjects.

Q: Does this lens have image stabilization?
A: Yes — advanced OS2 optical stabilization with up to 5.5 stops of compensation, including a dedicated panning mode.

Q: Is it durable and weather‑resistant?
A: Built with a magnesium alloy body, thermal insulation paint, dust‑ and splash‑resistant sealing, and a carbon hood for professional field use.

Q: What optical quality can users expect?
A: Pro‑grade 28 elements in 21 groups (6 FLD, 1 SLD) deliver sharp, high‑contrast images with minimal aberrations throughout the zoom range.

Q: Does it include any special features?
A: Yes — a function ring for focus presets/power focus, drop‑in filter holder, and robust tripod mount with Arca‑Swiss compatibility.

Q: Who is this lens ideal for?
A: Professional photographers and serious enthusiasts shooting sports, wildlife, aviation, and fast‑action subjects.

Maintenance Tips
  • Store in a dry, dust-free environment.
  • Keep front and rear lens elements clean with a microfiber cloth or blower.
  • Avoid touching the glass with fingers.
  • Always use lens caps when not in use.
  • Check and tighten tripod collar screws periodically.
  • Handle carefully to protect optical stabilization and internal mechanics.
  • Update firmware via Sigma USB Dock for optimal performance.

  • DIY Install

  • OEM-Inspired Fit

  • Air Bag Friendly

  • 3 Year Warranty

  • Custom Colors

  • Work Gear & Pet Friendly

  • Since 2009

Why Truck Owners Choose Seat Covers Over Reupholstery

Traditional Reupholstery TruckLeather Seat Covers
Upfront Cost

$2500-$4000+

$399-$999

Vehicle Downtime

Days or Weeks

None

Risk Level

Permanent, No Undo

Fully Reversible

Best Use Case

Full Restorations

Restoration or Prevention

Resale Value Impact

High Cost to Recover

High ROI

TruckLeather gives you 90% of the visual and comfort upgrade at a fraction of the cost of reupholstery without giving up your truck.

WHEN YOUR TRUCK DESERVES THE BEST. UPGRADE YOUR TRUCK'S INTERIOR WITH THE INDUSTRY DEFINING TRUCK SEAT COVERS WE HAVE REFINED OVER 15 YEARS.

  • Will these work if my seats are already damaged?

    Yes. TruckLeather seat covers are commonly used to cover cracked, faded, or worn-out truck seats while preventing further deterioration.

  • How do these compare to cheaper seat covers?

    Universal covers focus on price. TruckLeather focuses on fit, durability, and long-term protection.

  • Are these permanent?

    No. They’re fully removable and won’t alter your factory seats.

Slip on leather seat covers
Slip on leather seat covers

Easy At-Home Installation

No special tools. No upholstery shop. No risk.

Our seat covers are designed for DIY installation, with step-by-step instructions and support available if you need it. Most customers complete installation in a few hours.

STEP BY STEP INSTRUCTIONS
Red and Black Custom Leather Seat Covers for Ford F150

Your Truck.Your Style.

Custom orders are our jam. Our custom program makes for a truly bespoke experience leaving only your imagination for the thousands of possibilities. If you're looking for the best truck seat covers then look no further!

Clazzio seat cover

Airbag Safe

Our seat cover construction has a high priority for allowing the OEM seat airbags to properly deploy when needed.

The proprietary thread design allows for the SRS systems to continue to function in a collision situation.

Clazzio Leather Covers

Made for your truck.For life.

Our seat covers are made exactly for your interior setup, perfect every time.

We offer most color setups in stock such as all black and all dark gray, however our custom color program is ready for your creative setups.

FAQ

Learn more about our truck seat covers with the frequently asked questions below.

DIY installation instructions are included for your specific application and takes around 2-3 hours for full interior installation.

The specific application specific instructions provided have step by step photos of how to install your new seat covers as well as tips and tricks. 

If you don't feel comfortable installing the seat covers yourself, then any local upholstery shop should be able to install them no problem.

Some vehicles do require cutting in certain spots like the power seat control panel, but nothing too major.

These leather seat covers are 100% slip on seat covers and do not require removal of your existing seat material.

Yes, our seat covers are fully compatible with factory heated and cooled seats.

Clazzio (our manufacturer) offers a 3 year warranty that is honored on any manufacturer defects.  This does not include normal wear and tear that comes with use on these seat covers.

You will receive the full interior seat cover set which includes bottom cushion covers, top cushion covers, head rest covers, and depending on the vehicle, arm rest covers.  It is a total makeover.

They are made by 11i-USA who manufactures these under the name Clazzio. They operate a large dealer system and we are a top nationwide dealer for them.

It depends if you ordered a custom set or not.


If you ordered a set that is in stock, then it will reach you in approximately 5-6 days via UPS ground (continental U.S.). Most all black or all dark gray sets are in stock, but we will let you know upon your order.


If you ordered a custom set, then it will take 8-10 weeks (occasionally longer) to arrive from Japan due to custom manufacturing, freight time, and US customs holding time.

Maybe! Contact us to see if your specific vehicle isn't listed on our site, or if you have any questions about the application.

We do have other applications such as passenger vehicles and two door cars as well. Just contact us!

Need just a bottom cushion replacement or another single piece? Contact us for pricing.

We can also supply just the front or rear seats if that is all you need.

Since our seat covers are manufactured for every application specifically, they account for features like these in your interior. Our development team uses a laser guided measuring system to ensure the best fitment for our seat covers.

For straps to fold down seats, they will include a cutout for those to loop through.  For bottom plastic trim on your front seats, the covers are meant to tuck in to those for a great, OEM+ fitment.

Yes, our seat covers are made with special stitching construction on our per application basis (not universal). The design allow for our covers to break at the specific points where the side airbags will detonate.

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