Pentax or Sony?

Perhaps you a being a little harsh on the camera manufacturers? After all, they want to sell lenses and not many people invest in Shift lenses, let alone technical cameras.

Do you have a technical camera? Is it an essential part of your photography?

Most of us only buy a few lenses, some don't buy any, so for the amateur the absence of a particular lens in a range can be largely academic. Even professionals don't buy those ultra-rare lenses, they hire them as required.

The original question here was Pentax or Sony and the realistic answer for me has to be Pentax. The pricing structure of many Carl Zeiss lenses would make that choice out of reach in any event and the difference in quality one way or the other will be insignificant.

I would pose a different question to a newcomer and that would be Pentax or Nikon?

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This is a shot I took with K10D and a Sigma 135-400mm. I hope this shows the quality you can get from a Pentax camera.

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Yip you go for Pentax I've been using them for 35 years, my latest is the K20D can't fault it megapixels rule.

What has actually happened is that Pentax have done their sums and concluded, no doubt correctly, that thanks to the techniques mentioned by JR there is little demand today for perspective lenses. That being the case, it would be impossible for Pentax to produce them at a price that anybody would be prepared to pay.

G