In body SR means it can be used with any lens or accessory. Also, it is not necessary to pay more for special stabilised lenses. There is another benefit that Pentax Users don't think about much - in lens stabilisation means the image jumps about slightly before locking and this can be quite unpleasant.

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The two lenses should cover every basic requirement, from landscapes to portraits to sports, and will serve to start you off. Later, when you start to realise where your interests lie, you may well find that some other lenses are desireable to add to your set.

Thank you for the link, very interesting.

Faulty link removed from original message.

If this is now a Classified Ad I'll move it to the proper place, but it didn't start out like that.

No idea where Stefan is, but give him credit for caring about what he does. You may or may not agree with him, but he has a passion for his photography and I have to respect that.

I think any decision I could make would be a personal one for me, as the costs are not equal. Personally, if the money is available I would go for the K-5 and if not then the K-r. You would indeed lose some features, but IMHO the K-r is faster and better than the K-7, at least for what I do it would be.

The trouble is that for what you do it might be a very different answer.

Please keep Leads to Deals threads to the point, this has strayed off topic. Moved to General Chat.

In terms of affecting the exposure we only have three variables - aperture, shutter speed and ISO.

Aperture affects what is in focus - depth of field.

Shutter speed affects the appearance of moving objects and is a factor in camera shake.

ISO affects the sensitivity of the film/sensor and hence the amount of grain/noise in the image.

Whichever you fix, the others have to move to keep the overall exposure the same, so in one sense it doesn't matter. I keep ISO fixed and use Av to select my aperture. The shutter speed varies accordingly. If I want a fast shutter speed I don't bother changing modes, I just open the aperture or increase the ISO, as appropriate.

A camera with Av and M modes would be perfectly satisfactory for all my photography.