Acratech GP Ballhead with Lever Clamp

Acratech GP Ballhead with Lever Clamp

Acratech GP Ballhead with Lever Clamp

B&H # ACGPLC MFR # 1157
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Product Highlights

  • Functions as a Gimbal Head
  • Functions as a Leveling Base
  • Lever Quick Release for Arca Style
  • Dual Laser-Engraved Degree Markings
  • Supports Over 25 lb
  • Lightweight - Weighs Just 1 lb
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Acratech GP overview

  • 1Description

The Acratech GP Ballhead with Lever Clamp is an updated version of the existing GP head. Rather than a rubber knob, this model features a locking lever for securing the Arca Swiss-style clamp that constitutes the quick-release element.

Featuring first-class construction, the GP Ballhead also functions as a gimbal head for lenses up to 400mm f/4.0, and it can be positioned upside-down to function as a leveling base for panoramic photography. Even if you're operating on rocky or otherwise uneven terrain, you can pan absolutely parallel to the horizon, so you won't need to carry a separate leveling base to create accurate stitched panoramic imagery.

The ballhead also features a bull's-eye level on the quick-release clamp and a detent pin, which prevents the plate and anything attached to it from sliding out of the quick-release clamp when it's partially loosened. Lightweight at only 1 lb, the GP Ballhead supports loads over 25 lb from any position, including tilted 90° and mounted upside-down.

Works as a gimbal head with lenses up to 400mm f/4.0
Weighs less than 1 lb (0.45 kg) with quick-release clamp
Easily holds over 25 lb (11.4 kg) at any angle
Full movements allow any camera position
Precision machined aluminum
Compatible with Kirk, Arca, R.R.S., and many other QR plates
Fits all standard tripods (1/4-20 and 3/8-16 threads)
Laser-engraved dual degree markings
Beautiful satin black-anodized finish
Long-lasting stainless-steel hardware
All knobs are secured so they cannot vibrate loose and fall off
Oilless and greaseless ball will not attract or hold dirt and debris
Made in the USA
In the Box
Acratech GP Ballhead with Lever Clamp
  • 10 Year Limited Warranty
  • Table of Contents
    • 1Description

    Acratech GP specs

    Head Type Ball Head
    Base Mount 3/8"-16 Thread & 1/4"-20 with Bushing
    Camera Mounting Thread Not Specified by Manufacturer
    Quick Release Plate Type Arca-Type
    Load Capacity 25 lb / 11.3 kg
    Number of Bubble Level(s) 1
    Friction Control Yes
    Independent Pan Lock Yes
    Material Not Specified by Manufacturer
    Ball Sphere Diameter 1.5" / 38 mm
    Base Diameter 2.3" / 60 mm
    Dimensions H: 4.1 x W: 3.1" / H: 104.0 x W: 80.0 mm
    Weight 0.99 lb / 0.45 kg
    Packaging Infobuctquzryetudrab
    Package Weight 1.35 lb
    Box Dimensions (LxWxH) 7.2 x 4.8 x 4.4"

    Acratech GP reviews

    GP Ballhead with Lever Clamp is rated 4.6 out of 5 by 34.
    Rated 5 out of 5 by from Very smooth and versatile Almost any tripod ball head can hold a camera up and reposition it. But a top notch ball head like the AcraTech GP can do that job with great ease, smoothness and versatility. It makes working your camera on the tripod a great pleasure. Move the camera to a new desired position, gently twist the lock knob and it doesn't move. Coming from a ball head that always moved a little after each adjustment and lock, this one was most wonderful, doing exactly what it was supposed to with elegance and ease. I love it!
    Date published: 2015-02-17
    Rated 5 out of 5 by from I love this ball head, period! I purchased this ball head because of the reviews and I am glad I did. I looked at the RRS and the Feisol units, but decided on this one. I also bought the Feisol VH-60 horizontal adapter kit, so it has to be stable enough to support my camera and macro lens at the end of the extension. I have not had any problems with it slipping. The only comment is that the friction knob adjustment has no fine tuning so its either loose or tight. Just make sure the ballhead is securely attached to the adapter head or it will inadvertently rotate loose. I also got the lever clamp model and would recommend that too. Would I purchase it again... Yes.
    Date published: 2017-04-07
    Rated 5 out of 5 by from Solid and wonderfully constructed I didn't understand how this ballhead was used for the gimbal action that was described in the product literature. It seems that by adjusting the tension on the ball - not with the release knob but with the tension knob - that you can dial in just enough tension to allow some movement with sufficient force. You can get off a shot like this but you'd have to lock it down if you really want the maximum benefit of the ballhead. The locking mechanism on the lever is wonderful - better than I was anticipating.
    Date published: 2013-07-15
    Rated 4 out of 5 by from Love this Ballhead! I took this to Africa with me. I was weight restricted and this ballhead was perfectly light weight. It did everything I needed, quickly and effortlessly! I love the gimbal feature and the clamp! Great for birding. It holds a lot of weight--I use it with a Nikon 200-500. It's very easy to use. I would have given it a 5 star, but I do have an issue that one of the knobs locks up occasionally. I actually dropped my camera because of it. (My fault--I should have looked as I secured the camera to the tripod in a hurried situation, but I went by feel.) There was a slight gap and the head didn't securely tighten to my L plate, even after tightening the clamp. (Strong fingers and even a rubber gripper couldn't release it. Normally, I'd have a Leatherman tool, but I had weight restrictions and didn't bring it.) I mentioned this to a friend who has had the same issue with his. I'd still recommend using it, but with caution.
    Date published: 2016-10-09
    Rated 5 out of 5 by from Small, Light, Functional I have owned this head for a few weeks now and have had the opportunity to use it for landscape photography in the local desert. I am glad I chose the lever clamp rather than the standard screw clamp because the lever feels distinct from the other adjusting knobs; thereby enhancing camera security and preventing accidents. If you are like me, when working you don't always look at the knobs when adjusting the head and composing the shot. In getting used to the head it is easy to confuse the knobs. The lever prevents you from loosening the camera by mistake.The GP Ballhead is fine quality, sturdy, and provides great range of motion. (So far, I have used it only for a camera with a standard lens, not with a telephoto lens.) The tripod I am using allows the central post to be placed horizontally for low-down shots close to the ground. Such configurations in which you shoot horizontally with a horizontal post require the tripod head to have a wide latitude in positional adjustment, which this head does.I discovered that I must be careful when mounting the GP head to my tripod, which has 3 setscrews to prevent the head assembly from rotating and loosening on the tripod. If I tighten those setscrews too much, the base of the GP head is distorted, causing the GP adjustment in azimuth to bind. Therefore, only minor tightening of the setscrews is permissible.Acratech warns against carrying the camera while still mounted to the tripod head. This is good advice, but it is not always practicable to remove the camera when moving a matter of feet. Be sure the knobs are very firmly tightened or you may have unexpected & uncontrolled camera movement as I did. This would probably happen with most heads, given the right circumstances; so I do not view this as a shortcoming of the GP Ballhead.
    Date published: 2013-01-22
    Rated 5 out of 5 by from Expensive, but still a great value! I am always buying all sorts of gear, and very often I have to bite the bullet and spend more money than the item is obviously worth (lens hoods, straps, bags, accessories, etc.) $500 for a tripod head and a couple quick release plates is quite a hefty price, but I can't help but feeling that it's worth every penny. I bought this head in-store with the assistance of a helpful B&H employee. I decided on the Gitzo 3542L tripod and wanted to get a good head to go with it. I personally love pan/tilt heads, but they tend to be big, bulky and a bit too cumbersome for many uses, so I opted for a ballhead. I had done some research and wanted to try out the ArcaSwiss Z1 head as well as a couple models of Acratech heads. Seeing the Acratech heads next to the ArcaSwiss Z1, the first thing you notice is the massive difference in size and weight. Adding the Z1 to a carbon fiber tripod will negate a lot of the weight savings you will get from using lightweight carbon fiber legs. The Acratech heads all seem appropriately sized/weighted for use with a robust, but lightweight tripod system. It does not add too much length to the tripod, which for me is great because my tripod is already more than tall enough. The Acratech heads are also works of art when you look at them. They are simultaneously very futuristic looking but also timeless and classic in appearance, which is aided by the beautiful laser etched numbers. The GP is by far the coolest looking tripod head I have ever seen, and many would agree. You can tell that they put an awful lot of effort into designing a head that is functional first and beautiful second. Let's move onto the next topic as I would just have happily purchased this head even if it weren't so good looking. The one thing you will notice when comparing this head to the ArcaSwiss Z1, Really Right Stuff ballheads, Markins, etc. is its open design. I shoot professionally and wind up in all sorts of bizarre and unpredictable locations. A big fear of mine with using traditional closed-design ballheads is the ability for dust, sand, water, etc. to find its way into the inaccessible chamber, in which case the head could become damaged or locked up and have to be sent back to the manufacturer for repair. The Acratech GP's open design really looks and feels weather proof. If anything were to find its way into the ball, I could remove it myself without worrying about particles becoming jammed up in an area of the head that I am unable to access. This, for me, is a huge plus of the design. The GP has some functionality that I do not require at the moment, but it's nice to see that it is included. Although I do not require an auto-level pan head, I tried it out and it is fast and easy to use. It requires the included allen key, but the whole thing can be done in about 30 seconds, maybe even faster. It pans smoothly and evenly and will certainly be of use to some photographers. Similarly, the gimbal head functionality is a great plus. While I am sure a dedicated gimbal head will be even better at performing this function than the GP, it seems to work quite well. For work with the Canon 70-200mm, I attach to the tripod at the lens collar and think it is great to be able to work with this setup in the gimbal head mode. I can loosen the collar to rapidly switch from portrait to landscape mode. I can also switch from gimbal mode to regular ballhead mode in a second. I have tested for creep with my lightest (50mm) and heaviest (70-200) lenses and it functions perfectly. I have the utmost confidence in this head. I do not ever shoot with lenses larger than the 70-200mm f/2.8L II so I cannot comment on using this head with larger lenses. In the store I had to make a tough choice between the knob quick release and the lever. The model with the knob has many more reviews than the one with the lever, and I was slightly concerned when looking at the lever that it could allow my camera to fall of the tripod. I bit the bullet and decided to go for the lever model since it is very quick to mount and remove the camera from the head. To date I have not had any issues with the camera falling, but will report back if this ever becomes an issue. My rationale for putting my fears aside and choosing the lever system was that a company like Acratech would almost certainly not release a quick release system that is not secure. The knobs are all comfortable, secure and easy to use. This head will be coming with me to Alaska next month where I will put it through its paces in a new and demanding environment. I truly believe that this ballhead will be with me forever. When spending this sort of money on a head, you not only want it to perform as advertised, but also to last for a very long time, and I really think it will!
    Date published: 2015-01-01
    Rated 5 out of 5 by from Best Ball Head Ever I love this ball head because it just works flawlessly. The controls are very accessible, and when I loosen something, it loosens. I've used other ball heads that are just SO STIFF that there might as well not be a screw adjustment. Just leave it locked in. But not with this one. When it's locked in, it's solid. When you loosen it, it's free to move. And the tensioner is also great on the ball itself. It just works. It's expensive, but I won't need to buy another head for at least 10 years.
    Date published: 2017-01-11
    Rated 5 out of 5 by from State of the Art Rock-solid, beautifully crafted ball head with a bit of HR Giger to the design (think Alien). Having the locking lever clamp eliminates the possibility that I will inadvertently loosen a quick release plate or Arca-Swiss lens foot by turning the wrong knob when tired or distracted. It is very easy to dial in precise degrees of tension in order to track moving subjects without having the ball loosen up. The size is compact enough to use for travel. The gimbal notch makes it possible to shoot straight up for interior architectural shots. The largest combination that I have used with this head so far is a 5DMIII with the 100-400mm f/4.5-5.6 IS II, which the GP handled easily. Do wish the knob for turning the head laterally was larger and stuck out a bit more; on my Induro CT-414 tripod, the knob barely projects beyond the top plate so it is a little tricky to get a good grip on it.
    Date published: 2016-01-13
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