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.
| Load Capacity | Greater than 25 lb (11.4 kg) |
| Ball Sphere Diameter | 1.5" (38mm) |
| Quick Release | Yes, lever-lock clamp |
| Compatibility | Arca Swiss-style plates (Kirk, Acratech & many others) |
| Spirit Level | Yes |
| Tension Control | Yes |
| Separate Panning Lock | Yes |
| Gimbal | Yes |
| Tripod Mount Thread Size | 1/4"-20 & 3/8"-16 |
| Height | 4.1" (104mm) |
| Width | 3.15" (80mm) |
| Base Diameter | 2.37" (60mm) |
| Weight | 0.99 lb (0.45 kg) |
Reviewed by 2 customers
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Comments about Acratech GP Ballhead with Lever Clamp:
Light weight, small in comparison to others, great feel - resistance - in the adjustment.
Pros
Cons
Best Uses
Comments about Acratech GP Ballhead with Lever Clamp:
Like the previous acratech ballhead i used, this is a great piece of equipment. I like the security and quickness of the lever compared to the knob, major upgrade in my opinion.
Like the previous model also, my only wish would be that the leveling bubble would be visible once the camera is attached to the tripod - rather than hidden under the plate. It's a small thing really, but I find with the weight of my camera it's much easier to level the lightweight head than it is with nothing attached.
Flipping the head into panorama mode is simple, and there is a hex wrench included, but there is also a slot for standard screwdriver (or small coin) to loosen while on the go. I did notice there is some slight difficulty re-attaching the quick mount head to the ball going back from panorama mode, but I think this is just something to get used to - seems like there is one bracket that is larger than the others to help align the top, but it took the first few attempts to notice.
Very high quality overall, love the laser etching, and easily holds both my smaller and larger digital cameras (M9 / 5DmkII)
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