Used successfully with DA*16-50, Sigma 70-200 f2.8 HSM and more recently with a Sigma 150-500 OS HSM and yes the OS still works with it attached.

I'm going to put a little bump on this as I need to fund something else. Also I'm dropping the price to £50.

Extremely rare Kenko Teleplus 1.5 teleconverter that works with screw drive and HSM/SDM lenses, made in Japan complete with all original paperwork, box and pouch. Also includes front and rear caps.
A steal at £175 plus £7.50 RMSD P&P
Paypal and UK only.

Yes, and the sensor needs a clean

How much did you pay? A Pentax 50mm f1.4 auto focus lens is worth quite a bit. The A series manual focus will fetch upwards of £100!

I'd ask for the serial numbers and trawl the net/flickr to find the "owner" to make sure it's not stolen.

He's a full on grey, they all have that reddish face.

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Take a look at the comparometer on imaging-resource
Choose the k-7 from "All" and the k-30 from current. You will have the ability to compare the same image with the same iso side by side.
I think you may be pleasantly surprised.

Sigma 24mm en route to pentaxophile
100mm macro and 28mm en rote to smc
All other items are now on eBay and I will not accept offers due to the problems selling these has caused.
To all those that feel aggrieved please accept my sincere apologies.