Quite a few there that would never fit in a F1 car. But at least they would have a go at overtaking!
Nice set Smeggy

Completely agree John, and its water resistant and that is so cool to carry on taking pictures while the canikon and sony toggers are running scared or wrapping their cameras in ugly plastic bags held on with elastic bands. Every time I see it I think "should have bought a Pentax"

Thanks Chris, that's the kind of answer I am looking for.
John, I have used this method in the past however the "action" does not always happen at a predetermined spot and I need the flexibility of a fast lens to increase the opportunity of capturing it. So which lens would you recommend?

I appreciate that but when you have 28 karts whizzing towards you its nice to capture them either as one large group or in smaller groups and AF is the only way I'm afraid. using your method would work however a lot of action would potentially be missed.

Hi everyone, here is the dilemma:
I shoot a huge amount at the local kart track and use my DA 55-300 but have found that it is very slow. Often by the time it decides the kart is in focus and the shot fired the front kart has moved on and the kart in second place is in focus. Picture in the bin . I find I am deleting approx 50% at least of the shots taken and losing some crackers in the process. So I need something that will react faster.
It is unlikely that I will need as low as f2.8 at the track and it rains so the Pentax DA*60-250 leaps into 1st place, but ...

The sigma 70-200 f2.8 macro is half the price and faster and I have read its HSM is quicker than the Pentax SDM (WR probably creates a little more resistance)

The Sigma is also going to come in handy for macro shots too ( I don't know if anyone has noticed but I do take the odd one or two macro shots)

But apparently the Tamron 70-200 (also half the price) is better as a macro lens but its noisy as it has a screw drive focus mechanism which I would rather avoid.
Please help

Get the K-5 while you have the chance this opportunity may not happen again! Using it with "lesser" lenses will allow you to pump up the ISO and take much less blurry pictures using a faster shutter speed, instantly clearer pictures.

Thanks Charlotte, It is strange you should sat that because when I see your shots I think the same. I always use the ring flash with the tubes that way I get plenty of light it works for me. Oh and catch in focus, without that I could never get these shots.

This is lurking in the shed! I'm sure he came out to check if I was potential dinner. I only took this one picture as I wanted to put as much distance between us ASAP. It's uncropped too!
Taken with a Chinon 50mm f1.4 on a 31mm tube with a 2x Kenko TC @ f16 on X sync

What a stunning set Mike. were they taken with the 100-300 f4 Siggy?

No Froggy, but this time of year we are plagued with them