Jeff,
Jeff wrote:Gary,I thought that the 80-400VR would be slow to focus on a fast moving car,but from what you guys are saying this is not true.Did you pan with this lens or preset a focus point.I'm sorry if these are dumb questions but I,m trying to learning.
Jeff
No, the questions are not dumb at all; that concept simply doesn't exist here.
The trick is to know what and how you're going to be taking your photos. If you're going to be sitting alongside one of the main straights and you hope to grab a shot of one of the cars going past, good luck! You'd need to be some way away from the circuit to have any real hope of grabbing that sort of shot.
If you are near one of the shorter straights, then you're going to be better placed to get some panning shots of the cars.
We were perched at the final corner before pit straight, and had a side view of the penultimate corner, a head on view of the short straight approaching the final corner along with the pit entrance, a fence obscured view of the final corner and an arse-end view of the full length of the pit straight.
I was disappointed with the results I obtained when I prefocussed on a point (penaultimate corner), but very satisfied with letting the camera do its thing while shooting towards the same objective. I suspect that a part of that disappointment was due to the camera's small viewfinder, and I'd love to use a D2x and see how it behaves in simialr circumstances.
One of the other keys with the 80-400 is to use the focus limiter, which restricts the travel available during focus events. This effectively cuts the usable focus range by about 50%, but given that you know that every shot you're taking will be within that selected range, the restriction is a benefit, rather than a disadvantage.
One other comment for both you and Heath is to pay attention to our calendar; I've placed the November
AIGP event at Eastern Creek onto it, and I'm going to have a whisper into the ear of a board member of the ARDC to see if we can get some passes or better access to the circuit than what GA buys you.