Adding an Arca-Style Foot to the Sigma 150-600mm Sports Lens

If you have a Sigma 150-600mm Sports and are looking to use it on Arca-style tripods or gimbals, here’s a solution that’s better than simply adding a quick release plate.

Jobu Design LF-S156S Arca-Style Lens Foot
Text & Photos By David Coleman
Last Revised & Updated:
Filed Under: Lenses

I MAY get commissions for purchases made through links in this post.

This is about as niche as they come. But if you’re in need of it, it’s a good solution.

It’s a replacement foot for the collar of the Sigma 150-600mm f/5-6.3 Sports lens. On the one hand, the one I’m focusing on here is a specific replacement part for a specific lens. On the other hand, the same principle can apply to many other lenses–they just need a different model replacement part.

Some long telephoto lenses have collars that are removable. The tripod collar on the Nikon 80-400mm f/4-5.6G, for instance, can be removed. You can also swap it out with an aftermarket alternative. And that’s what I did to change the foot to be compatible with Arca-style tripod attachments.

On other lenses, like the Sigma 150-600mm, you can’t remove the collar. But what you can do is remove the foot and replace it with a different one.

The lens comes standard with a foot that has three tripod screw holes. That’s basically a universal approach–it’ll work with anything, from tripod to monopod to gimbal–but it’s also a compromise. It means that to use it with an Arca-style attachment, you’ll need to add a quick release plate to the bottom. The most important negative of that is that it adds a potential weak link in terms of stability. In particular, the quick release plate can easily come loose when using with such a heavy lens, and that adds the risk of unwanted lateral rotation.

A much better alternative is to turn the foot itself into an Arca-style foot. Sigma has enabled this option by making the foot a bolt-on affair, but Sigma doesn’t offer a different foot themselves. So the other trick is finding someone who does make a replacement foot.

A Canadian company, Jobu Design, specializes in machined plates and specialized mounts. They make exactly the kind of foot I was after. Its model number is LF-S156S. It’s not inexpensive–it’s close to a custom accessory, after all–but in the context of the cost of the lens, it’s not that much.

Here are some photos to show how it works.

Jobu Design LF-S156S Arca-Style Lens Foot
This is the replacement foot itself. It’s a single piece of machined aluminum.
Jobu Design LF-S156S Arca-Style Lens Foot
As you can see, it’s significantly longer than the default foot for this lens. That’s to help with balance when using on a gimbal. It’s also a little deeper.
Jobu Design LF-S156S Arca-Style Lens Foot
These are four hex screws that need to come out.
Jobu Design LF-S156S Arca-Style Lens Foot
Something you’ll notice is that screws are two different lengths. That’s a deliberate design feature on Sigma’s part–it’s not a mistake.
Jobu Design LF-S156S Arca-Style Lens Foot
This is the exposed area on the lens when you take the foot off.
Jobu Design LF-S156S Arca-Style Lens Foot
With the new foot attached, you’ll notice that, again, the screws don’t all go to the same depth. Again, that’s deliberate. (All four screws are actually the same length–it’s the depth of the screw holes that varies.)

In Use

Overall, I’ve found it to work well. It’s stable and solid.

My only quibble with it is that because it’s so long, it can require some working around to rotate the zoom ring. That’s not really an issue if you have it on a tripod or monopod. But if you’re shooting handheld with your left hand under the lens, it’s a bit of extra reach with your fingers around the foot to reach the ring. It’s not a big issue, but it is something added by the foot.

Comes With

  • Replacement Foot (LF-S156S)
  • 2 x 4-40 Safety Screws (pre-installed)
  • 3/32″ Hex Wrench
  • M3 Hex Wrench
  • Limited 5-Year Warranty

It’s made in Canada.

It does not come with new screws to use to attach the foot–you have to reuse the ones already on the lens.

Where to Buy

I bought mine directly from Jobu Design and had it shipped from Canada. It was only later that I realized they’re also available at B&H Photo.

It’s sometimes possible to find them used.

Profile photo of David Coleman | Have Camera Will Travel | Washington DC-based Professional Photographer

Text & Photos by David Coleman

I'm a professional photographer based in Washington DC. Seven continents, up mountains, underwater, and a bunch of places in between. I've been shooting for 30+ years, and my my photos and time-lapse videos have appeared in a bunch of different publications from major newspapers to magazines and books, billboards, TV shows, professional sports stadiums, museums, and even massive architectural scrims covering world-famous buildings while they're being renovated. You can see some of my travel photography here and here.