It isn't possible to do that now Stan. Somebody might lift one of your images, use it on an obscure website, and you might never find out about it. When you do, you invoice them. If they don't pay you pursue them in the small claims court possibly.

Tineye and other reverse search engines mean that you can check, but not with 100% success.

To be honest, there are so many images on the web that someone honing in on mine or yours is pretty slim anyway. But you're right in that it does happen.

Not everyone has the same requirements Mr S, so we need to take into account their likely needs.

We all know what people mean by performs well in the context of stopping down the lens.

You say f/8 is a boring aperture, but that's not far from saying that the equipment is dictating whether or not the image is interesting. This is "You must have a really good camera" syndrome rewritten as "You must have a really wide aperture lens".

The photographer makes the image.

The MX-1 is a high end zoom compact...

However, I discounted those as in very, very cold circumstances I wondered if the lens extension would be in danger of freezing.

You could, and probably already are if you have your own website, but not just for uploading to here. No need when you can upload directly.

Good point Stan. Perhaps some members are still unaware that we can now upload directly into the forum. Press the button marked Image, found below the message pane.

As long as you upload to Photobucket the correct file size it's not a problem. Don't let any site do the resizing for you.

I would start discussing it on a suitable forum to see how people get on first-hand. I'm no expert, but I'd have a backup in case AF motors became slow, for example.

The K-5 (whichever version) and WR 18-135mm would be my choice, with a fast prime for backup that can be used MF if needed. That's the bare minimum and I'd take more backups than that, but a more casual photographer won't want to probably. That set would be good to -10C for certain, lower than that some care may be needed. There's a video around that shows a Pentax camera happily continuing to fire at -30C, so there's hope.

Don't press a camera that cold against the face! It will stick....

You could always reduce the size if you're worried about someone stealing it. It's 850 pixels long, 800 fits the forum best anyway, so there are not many uses for an 800 pixel image. Reduce it to 600 and there are even less.

Perhaps better a clear small image than a marred large one?

I've had lenses in the distant past that I've felt vaguely unhappy with but it's been as much to do with other factors. Lenses don't always have the design parameters that suit a style. For example, the 120mm lenses I've never liked.

Can it only get better for your lens. Maybe, maybe not because we dooN't know whether or not you've already taken the best possible shot.

Why not do some tripod mounted images using this lens and another that is known to be good. A newspaper pinned to a wall will be a good target, but should be carefully aligned.

Agreed, it could get very samey....