There are some people here I would buy from without a photo, without hesitation, and some I wouldn't.

I probably wouldn't buy on eBay without a photo, unless I had reason to trust the seller.

Personally, I don't think making anything mandatory for sellers is a good idea at all. You can tell quite a bit from what they do on their own initiative.

There's no perfect answer to this question, other than "get a modern lens that communicates its focal length to the camera, allowing it to adjust the amount of SR it applies".

Otherwise, you have a number of options:

- set the minimum FL, and put up with less effective SR as you zoom to the long end (due to the camera applying too little sensor correction)

- set the max, and put up with less effective SR as you zoom to the short end (due to the camera applying too much sensor correction)

- set somewhere between the two, at what you feel is your most frequently used length, or most critical for SR, or whatever your criteria are. It won't be perfect, but it might be good enough.

- or of course, set the SR every time you change the zoom. The best SR available, but tedious.

With old lenses, there are limitations.

Yes - when PEFs were half the size of DNGs, they had an obvious advantage, but no longer.

Surely not, Pentax is best, innit?

Doesn't seem to include K-5 PEFs yet.

It does include the K-7 though - I haven't had a K-7, are K-5 PEFs different from K-7 ones?

That "quote"thingworksperfectly

It's amazing isn't it. Sometimes it takes me three attempts...

It is impossible to insert a standard USB plug in fewer than two attempts.

It's much worse than silly plonkers.

It's uncaring, inconsiderate, selfish morons, and they deserve what they got.

Good.