Sirui PH-20 Gimbal Head Review

The Sirui PH-20 is a carbon gimbal with a 40lb load rating, making it easily capable of holding the largest super-telephoto lenses. In this review, we’ll take a detailed look at the gimbal’s features and performance to determine whether it’s worth your money.

sirui ph-20
In some of the photos in this review, the Sirui PH-20 gimbal is mounted to a Naturescapes Skimmer ground pod. To be clear, this is a separate product and has nothing to do with the Sirui gimbal. It was simply a convenient way to hold the gimbal while I photographed it in my studio.

Disclaimer: Sirui provided the PH-20 gimbal for this review. No money changed hands, and they were not allowed to see the review before it was published.

Why Use a Gimbal Head?

A gimbal tripod head allows 360-degree rotation and a significant degree of upwards and downward tilt. When the gimbal is perfectly balanced for your camera and lens, you can remove your hands without tightening the locking knobs, and your camera will maintain its position. This is particularly useful for wildlife photographers who might spend hours waiting in the same place for their subject. When the wildlife does appear, the camera is ready to go.

A perfectly balanced camera on a gimbal also feels completely weightless while you pan and tilt to track wildlife. The camera and lens might weigh 15lbs, but on a gimbal, you can push it around all day long with your pinky finger. While a monopod can be a helpful way to support a telephoto lens, nothing beats a tripod and a gimbal head if you are willing to carry the additional weight to your shooting location. With that in mind, let’s take a look at the Sirui PH-20 gimbal and see how it performs.

Sirui PH-20 Gimbal Head Specifications

  • High strength, lightweight 8-layer Carbon Fiber for the curved arm and forged aircraft aluminum for the L-platform.
  • 360° Panorama rotation – Tilting angle between +150° and -60°
  • Max. load: 20kg/44lbs
  • Weight: 1163g (899g in side mount mode) – My measurements. Sirui quotes lower weights, but I disagree.
  • Dimension (BxLxH): 120 x 230 x 230mm
  • Scales for tilt, rotation and height – allows adjustment of nodal point setting
  • Arca-compatible 120mm Quick Release plate with rubber surface and with 1/4 and 3/8 screw.

In the Box

The PH-20 gimbal comes in a nylon padded case. The case contains the main body of the gimbal, an additional Arca-compatible clamp (more on this later), an Arca-compatible dovetail plate, some hex wrenches and the gimbal cradle. The case might be helpful for long-term storage, but since it is designed to hold the individual pieces unassembled, it’s not a practical case for in-the-field use.

Honestly, I’d prefer to see brands doing away with these sorts of temporary cases that will probably end up in a landfill. A simple cloth bag would be better, as this can be used to protect the gimbal when installed on a tripod and is far more likely to be used throughout the product’s life.

Features and Design

The main body of the PH-20 gimbal is made from 8-layer carbon. Though carbon fibre is often associated with lighter-weight products when it comes to tripods, the use of eight thick layers of carbon on this gimbal lands it firmly in the middle of the pack when comparing the weight of similar products. The total weight of 1163g (2.56lbs) makes it lighter than a Wimberley WH-200 or ProMediaGear Katana Pro, the same weight as the ProMediaGear Katana Pro Jr, and slightly heavier than Fotopro Eagle E-6H.

While the choice of carbon fibre doesn’t deliver a lighter weight in this instance, the smooth carbon tube is comfortable to hold and looks great. It also doesn’t feel as cold in winter while providing excellent rigidity and vibration dampening.

Laser-etched scales can be found on the tilt and pan axis, as well as the vertical arm of the gimbal cradle. The tilt knob is a large, glove-friendly size with a rubber coating that provides good tactile feedback. A surprise was the tilt knob only required about 15-20 degrees of rotation to move from the locked to the unlocked position.

This is not necessarily a negative thing; I’m sure some people would say it’s a positive thing. It just happens to be less rotation than I have seen on other gimbal heads, and it took me a little while to get used to. I would rather have a short throw than a too-long throw, so I have no complaints about this.

My review unit has a slight misalignment of the laser-etched scale. Setting the indication arrow directly in line with the 0-degree marker made it clear that the gimbal arm was not vertical. It was not out by a long way, perhaps 2-3 degrees, but it was enough that it was noticed immediately when I set up the studio photos. In practical terms, such a thing makes no difference to how I use a gimbal for wildlife photography, but it could have been annoying if I used it for multi-row panoramic images. The misalignment was immediately evident to me, so this is something that Sirui’s quality control should have caught.

The pan locking knob is aluminium and does not have a rubber grip like the larger tilt locking knob.

Most gimbal users will be wildlife photographers wanting to track moving wildlife with telephoto lenses. In motion, I was very impressed with the smoothness of the pan and tilt axis on the Sirui PH-20. It is at least as smooth as my regularly used ProMediaGear gimbal, and resistance felt similar on both the pan and tilt axis, suggesting the same bearing cartridges are used in each. A pet peeve of mine is a different feel for both axis, but the PH-20 passed this test with flying colours.

As suggested by the inclusion of the laser-etched scales on the pan and tilt axis, gimbals are sometimes used to create single-row or multi-row panoramic images. Gimbals may also be used for landscape photography or any other type of photography that would ordinarily call for the use of a ball head. Sometimes it’s not practical to carry both a ball head and a gimbal. When used in this way, the pan and tilt knobs will need to be locked before the shot is taken.

An often-seen problem with gimbal heads is a shift in composition when tilt and panning knobs are locked for static images. While I saw no perceivable change when tightening the panning knob on the PH-20 gimbal, a relatively sizeable diagonal shift was visible when tightening the tilt knob. This is a problem that would affect only a minimal number of people because the majority will use this head unlocked while tracking wildlife. Still, it’s worth considering if you are thinking of using this head for multi-purpose shooting.

Missing from the PH-20 is a bubble level to ensure perfectly horizontal panning. Although few manufacturers include them on gimbals, I find them a handy feature. If the top plate of your tripod is not perfectly level, it will cause tilted horizons that need to be corrected by rotating the lens in its collar. The amount of rotation necessary for correction will vary as you rotate the gimbal, making this, at best, a tricky thing to contend with if you have a visible horizon line.

Many people will pair a gimbal with a levelling head for a more straightforward setup with a perfectly level panning platform. A levelling head will always have a bubble level; alternatively, you can look for a tripod with a bubble level on its top plate.

The cradle clamp is a big chunk of metal, but attempts have been made to remove unnecessary material from the underside to save weight.

Side Mount Mode

For those that want to save some weight and bulk while hiking or travelling with their gimbal, the Sirui PH-20 can be converted from a full cradle gimbal to a side mount gimbal using the included Arca-compatible clamp. I’m a big fan of side mount gimbals, so this was a very pleasant surprise. There is no mention of this feature on the Sirui website, or in any product literature I on the major online retailer product pages. I’m not sure why they do not make more of this feature.

I weighed the PH-20 gimbal on my digital scales to determine the weight saving when using this simplified gimbal mode. In its standard cradle mode, the full gimbal weighs 1163g or 2.56lbs. When the cradle is removed and the smaller side mount clamp is installed, the gimbal weighs 899g or 1.98lbs, representing a 23% weight reduction.

The weight saving is the primary advantage of a side mount gimbal, but with fewer angular parts protruding from them, I also find them much easier to pack into a camera bag. Using the fore-aft adjustment of your lens foot in the side clamp, a balance point can still be found, and from this perspective, there is little practical difference in how the gimbal is used once the lens is mounted.

The downside of the side mount gimbal is that some people find it harder to mount the lens foot into the clamp. With a cradle, gravity is on your side, but with a side mount, you must support the weight of the lens while you tighten the clamp. If you have trouble holding the weight of your telephoto lens, a side mount gimbal might not be a good choice. However, with the PH-20, this is not a problem as you are presented with the choice.

RRS Cradle Upgrade

Really Right Stuff lever-release cradle clamp on the Sirui PH-20 gimbal.

Most gimbal manufacturers, Sirui included, use a screw-knob clamp on the gimbal cradle. When lifting large, heavy telephoto lenses onto a gimbal, many people prefer the quick action of a lever-release Arca-compatible clamp. The only cradle clamp on the market with a lever-release clamp is from Really Right Stuff, and people have been using it for years to retrofit gimbals from the likes of Wimberley and ProMediaGear.

Unlike Gitzo, who used a non-standard dovetail on their gimbal cradle, thus preventing the use of the RRS cradle clamp, the vertical arm of the Sirui PH-20 is a standard Arca width and works just fine with it. If you are comfortable spending an additional $215, the RRS PG-CC cradle can be found at B&H Photo or Adorama.

Quick Release Plate Upgrade

I installed a Kirk Photo Tripod Head Quick Release Plate (small) to the PH-20.

If you regularly switch between a gimbal head and a ball head, it can be helpful to add an Arca dovetail to all your tripod heads so that they can be easily swapped back and forth without running the risk of cross-threading your tripod stud. For this purpose, Kirk Photo makes circular dovetail plates in two different sizes. The small size, available from B&H, is a perfect match for the Sirui PH-20 gimbal.

Conclusion

The Sirui PH-20 is an excellent gimbal with silky smooth pan and tilt mechanisms. I was impressed by the gimbal’s overall build quality and performance in my testing, given its mid-tier price point. Slightly misaligned laser-etched degree markings on the tilt mechanism were a minor quibble and showed that quality control and tolerances could be improved. Still, I was pleased with the gimbal’s capabilities and never felt it held me back from creating sharp wildlife photos.

At the time of this review, the recommended price of the PH-20 is $399, undercutting rival products from ProMediaGear and Wimberley by at least $200. The popular Benro GH2 gimbal is priced similarly to the Sirui PH-20, but its all-aluminium design is much heavier. Extending your budget to more expensive gimbals will give you that ultimate precision with little things like the laser-etched etched degree markings, but little more performance can be gained. If you’re looking for a gimbal tripod head that doesn’t feel cheap yet doesn’t break the bank, I think you’ll be pleased with the Sirui PH-20.

Where to Buy (Discount Available)

USA and Canada residents can use the discount code SHUTTERMUSE to save 5% on the Sirui PH-20 gimbal head when you buy directly from their online store. Shipping is also free in both countries. Anyone outside of N. America should check Amazon to see whether it is stocked locally, or use B&H or Adorama for fast international shipping. For some reason, the Sirui PH-20 is not available on Sirui’s European web stores.

Photo of author

Dan Carr

Professional photographer based in Yukon, Canada, and founder of Shutter Muse. His editorial work has been featured in publications all over the world, and his commercial clients include brands such as Nike, Apple, Adobe and Red Bull.

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2 thoughts on “Sirui PH-20 Gimbal Head Review”

  1. Thank you for the great and thorough review, Dan.

    I had one and used it for around 18 months and I generally follow your assessments.

    I really loved the sidemount option (one that you yourself taught me to value. Thanks for that!), the beautiful panning, the bang for buck and the light weight. Good function overall, but quality issues flawed the use in the field for me.

    I had big issues to tighten both knobs enough to prevent the R5 with the 500/4 attached from moving, when I carried the whole combo over my shoulder. Even when the panning knob was brutally tightened down, I could quite easily pan the rig by hand, resulting in a nasty audible grinding. The panning mechanism was “geared”, although my copy was supposedly the new. The increments were rather rough, which made it difficult to dial in a precise position on the vertical axis. The rubber cushioning of the knobs eventually went loose, due to the force I had to apply to tighten. The blue anodized alloy is rather scratch prone and I find it rather out of place in an outdoor application.

    The head went back to Sirui on warranty twice. The first repair did ammend the cosmetics but not the fundamentals. When I claimed the issues the second time, the shop replaced the head right away, but my confidence was lost, so I sold it as new and went on to buy a Flexshooter with the glorious QR-lever. The Flexshooter is less fluid and easy on the pan with large telephotos, but more versatile with my spotting scopes and for the occasional landscape shot.

    My personal conclusion: If I were in the market for a classic gimbal again, I would rather save some more money and reach for the higher quality options like Wimberley, Pro Media Gear and Gitzo or even stretch for the RRS. And I would never again buy a tripod head for large telephotos without a quick release lever. It makes handling the expensive equipment so much easier, faster, safer and ultimately helps you getting the shot.

    Reply
    • Hi Arne! Thanks for your detailed comment. I’m so glad you took the time to contribute to my little community 🙂

      The geared panning base is an interesting comment. I had seen this mentioned several times online, usually accompanied by a negative comment. I could not find any evidence on my PH-20 that it had a geared mechanism in the panning base, and I suspect that this has been updated to a more standard bearing system following the negative comments about the gearing. Usually, a geared system can be felt when tightening the knob because it makes it hard to lock the base into certain positions. As the locking pin pushes between the gears/detents, as I’m sure you remember, the position of the gimbal shifts left or right while the pin settles into the detent. Having read comments about it, I was expecting this to be the case; however, I did not find it to be so. I have reached out to Sirui for an answer to this and am awaiting a reply. When I get one, I’ll add it to the review.

      Regarding QR levers, I agree. And honestly, I’m still amazed that the only gimbal out there with one is the RRS gimbal (and the Flexshooter). And RRS are currently not even producing their gimbal, and haven’t for a couple of years!

      Reply

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