Summary: This works extremely well with a Canon 500mm lense on a tripod. Lots of people talk about using this in a U position rather than as a box. I find the manufacturer's recommendation is best as the centre of gravity means the camera and lense is easy to balance. It is bulky which means when it is on a tripod strapped to your bag it can be a bit awkward. I find carrying it head down easier to manage.
Summary: This bracket is great value for money and at a great price. It it's strong in construction but the trade-off is the weight. Not sure I would want to carry it with a camera & long lens attached for any length of time.It provides a great platform for my Nikon 200-400mm lens and D3X with and without a 2x converter fitted.Ignore the illustration from the manufacturer, it works perfectly with the lens sat on the bracket rather than supported by it.
Pros: Easily Adjusted, Locks In Tight, Quick To Set Up, Smooth Movement
Summary: This product is perfect for both camera's with long lenses, Birding scopes and telescopes for Astronomy. If a camera is on a monopod with a Pistal Grip you can move the Camera diagonally in one sweeping movement with one hand while operating the camera controls with the other hand. This product is described as a Mono Pod mount. Personally I wouldrather use a pistol grip as previously described.
Pros: Compact, Great Balance, Locks In Tight, Smooth Movement, Very Tripod Friendly
Summary: Great gimal!!! and for the price a bargain it is a bit on the heavy side but other than that it's a great buy.i would not want to carry it around for long though they show it on a monopod have tried it on mine works ok but with a big lens it can be a handful to walk around with.
Pros: Easily Adjusted, Good Footing, Locks In Tight, Smooth Movement
Summary: I am very impressed with the quality of this gimbal head, it is well engineered and holds my 500 f4 with ease. The foot is very secure and will not slip out due to the locking pins.The u shape makes focus adjustments trickier than with a Wimberley type head but I simply rest my hand on top of the bracket and adjust focus with two fingers.The u bracket has extra holes for adjustment which I used to attach a flash bracket, I see no benefit in attaching a lens in the way...
Pros: Easily Adjusted, Locks In Tight, Secure locking foot, Smooth Movement, Very well made
Summary: As good as OS/VR/IS is these days, hand holding at super telephoto zoon lengths is always tricky at the best of times to get sharp photos, not to mention takes little time to knacker your arms. I had previously only ever used a ball head on my tripod, mainly due to their small footprint making them easier to transport, however after discovering first hand the limitations of such a head for supporting a large lens that needs to be able to pan and track smoothly and doing...
Pros: Easily Adjusted, Good Footing, Price, Smooth Movement
Summary: I tried a wimberley once, it was very nice but it didn't do any more than the Manfrotto 393. Also,with the 393, apart from being a fraction of the price of the competition one doesn't have to buy expensive adaptor plates.I use mine on a Benbo tripod in the "U" configuration to shoot sports and wildlife. I find it easier to mount my big 600f4 this way. Once mounted and adjusted I don't notice that I'm moving close to 7Kg with no effort.