I agree
Medic1 wrote in post #7878953
Does this still hold true if your shooting 2 bodies? I don't know what the OP has for equipment, but I am planning on shooting a long prime on one body and a medium range zoom on the other for airshows. I used to shoot a lot of airshows and had the 100-400 and have sold it in favour of either a 300 or 400 prime on a (to be purchased shortly) second body, because I found I was always 300+ for almost anything aerial
I shoot a long prime; either a 300mm f/4L IS or a 400mm f/5.6L (both of which I purchased used for about the price of a new 100-400mm) combined with a longish zoom (70-200mm f/4L IS) on a pair of 1.6x bodies.
If I am in a fairly stable location and can shoot from a tripod, I will often use three cameras with all three lenses along. One lens mounted on the tripod and a lens each in two holster bags.
I will almost always use the 400mm in a tripod or monopod (but sometimes use the fabricated shoulder mount I made - see images) and will mostly hand hold the 300mm but, will occasionally shoot it mounted. I will always shoot the 70-200mm f/4L IS hand held.
I do have a three camera tripod mounting bar (from AMVONA) which I can use on my Giottos MT8180 tripod with a Heavy Duty Manfrotto Fluid Pan Head. I can tape each camera's remote release to the handle and fire a single or multiple cameras. I place the camera with the longest lens in the center of the three camera bar and boresight the other two lenses at infinity.
Needless to say, this setup is extremely heavy and I don't use it with expectations of moving around. However on assignment in the Navy, I used a similar rig that was much larger and heavier with a Mitchell wooden tripod and large O'Connor fluid head. The crossbar held two 16mm Mitchell motion picture cameras with 400 foot magazines (one with a telephoto and the other with a normal angle lens) and one 70mm Hulcher still camera which held a 100 foot roll of 70mm film. I don't know how much the rig weighed because I never carried it. I set it up in pieces and chained the entire rig to the ship's deck with an aircraft hold down chain. I photographed submarine launched missiles from a destroyer platform with this rig...
I am looking forward to using my three camera rig to shoot the morning and evening fly-offs at the Bosque del Apache Wildlife Refuge, New Mexico in the Winter when there are thousands of wildfowl lifting off.
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