If you like 50 mm FOV, you could go for either pentax DFA 50/2.8 macro or relatively cheap Sigma 50/2.8 macro.

I think all of the above mentioned are very good. The only question is what focal length you prefer and what is your budget limit.

Cheers, Luka

Here is my list of most used lenses:
1. pentax FA28/2.8
2. pentax DA40/2.8 LTD
3. pentax FA50/1.7
4. sigma 10-20/4-5.6
5. sigma 50-150/2.8 HSM

testdasi, sigma 30/1.4 is tack sharp in the centre even wide open. Some say it gets softer arround the corners, but never noticed it while I borrowed it from my girlfriend. It's a lovely lens, very useful. But I tend to use my 35/2.4 more often as it is more convenient, lighter and sharpness is about the same. If u desperately want shallow DoF, then go for it - there is no better option at that price, but I am not sure I would crave for it if I had the 35 Ltd... Especially with the K-5 where there is always enough light

If I were calling the shots, Pentax would release DA24/2, DA28/2 and DA50/1.7

I think the logical step forward from DAL 35/2.4 would be DAL 50/1.7 for under 200 GBP

Okay, I got one spare from an old ME... Didn't notice before it had one

Cheers for your help!

That is a good piece of advice. But I didn't misplace it. I lost it the moment I screwed it off the body as it fell out of my hand... Bad patent IMO. It should be a plain rubber cap, attached to the body.

John, I agree with you about buying the correct part. But then again, I get 10 aftermarket ones for the same price, so I can loose 9 more and still don't have to worry

Cheers, Luka

john, that's the one, yes.

do you think these fit on K-5?

http://cgi.ebay.co.uk/10-PC-flash-sync-socket-caps-fit-Canon-series-Pentax-/1605...

@bigdaddybucks: Huh, I thought it's a standard socket... Could you point in which direction not to look then Have you tried fitting nikon cap? They look almost the same...