Bend The Light wrote in post #15617653
I am going to RAF Waddington Airshow in July and I am thinking of renting a lens to use while I am there.
I have a Canon 1d MkIIn.
I have looked at one of the big Sigma lenses, and also at the 100-400mm Canon L.
What I would like is twofold:
1. What lens would I be best getting? For the planes in the sky we will be sat in an enclosure alongside the runway, so the lens won't be carries on the camera very much. On the second day we will be doing the ground displays, so may use a different lens for that anyway (I have a 28-80 Tamron, and a 50mm f1.8).
2. What settings might I use for shots of planes in flight? I know there are several settings for the use of various focus points, auto-expansion of the focus points used etc. Shoot AV, TV Manual? And then also compensation on or off? Any advice specific to the 1dMKIIn or indeed, general advice, would be appreciated.

Short lens for planes on the ramps.
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Lens: EF-S18-55mm f/3.5-5.6 IS
Image Date: 2011-05-13 10:20:36 (no TZ)
Focal Length: 55.0mm
Aperture: f/7.1
Exposure Time: 0.0080 s (1/125)
ISO equiv: 100
Exposure Bias: none
Metering Mode: Matrix
Exposure: program (Auto)
White Balance: Auto
Flash Fired: No (enforced)
Orientation: Normal
Color Space: sRGB
Copyright: Kevin Lillard
Long lens for airborne displays. (a Sigma 150-500mm OS used here). The longer the lens the better. A few photographers are fortunate enough to be able to use a Canon 600mm lens, which often finds a location on a sturdy tripod. Longest lenses are most useful for the most dramatic aerobatic displays from prop plane experts such as Skip Stewart.
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Focal Length: 403.0mm
Aperture: f/9.0
Exposure Time: 0.0020 s (1/500)
ISO equiv: 125
Exposure Bias: +0.33 EV
Metering Mode: Matrix
Exposure: program (Auto)
White Balance: Auto
Flash Fired: No (enforced)
Orientation: Normal
Color Space: sRGB
Relatively slow shutter speeds for prop planes to achieve prop blur.
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Focal Length: 500.0mm
Aperture: f/14.0
Exposure Time: 0.0050 s (1/200)
ISO equiv: 100
Exposure Bias: none
Metering Mode: Matrix
Exposure: shutter priority (semi-auto)
White Balance: Auto
Flash Fired: No (enforced)
Orientation: Normal
Color Space: sRGB
One "setting" a photographer may not be able to control is the location. In general, it's best to have the sun behind you and not have the sun in your face. In the Northern Hemisphere, it's best to have the show line to the north of your location. Haze and clouds can work against photographers but can't be controlled. Typically, photographers can't control circumstances where you have to shoot to the south and into the sun in the Northern Hemisphere.