Posted by on Mittwoch, 28. Juli 2010 in Blog, Fotografie | Keine Kommentare

Gestern habe ich ja über ein Gerücht berichtet, wonach sich Sony aus dem Geschäft mit Vollformat-Kameras zurückziehen könnte. Verbreitet hat es der Nikon-Intimus Thom Hogan auf seiner Homepage Pech für mich: Als ich Thom Hogans Gedanken kommentieren wollte, war der Text von seiner Homepage verschwunden. Zum Glück konnte ich ihn heute aus dem Browser-Cache rekonstruieren. Hier die Passagen daraus, die sich auf die Vollformatsensoren allgemein beziehungsweise von Sony beziehen:

Sony Sensor Shakeup?
July 26 (commentary)–I’ve heard from multiple sources now that Sony Semiconductor is about to drop FX sensors from their lineup. What I’m hearing is that high management in Sony is saying that full-frame cameras and sensors aren’t bringing the payback necessary to make them long-term profitable. This is essentially forcing Sony Imaging to consider dropping future plans for full-frame cameras (A850, A900, and follow-ups), though I’m sure we’ll still see some FF products from them that were already in progress before the stream of sensors dies out. Some of the sources for the rumor appear to be Sony employees who are lobbying for keeping full-frame in the lineup. They seem to hope that news of the impending decision on the Internet will generate a wave of protest that Sony management can’t ignore.


As I’ve written before, if an FX sensor costs US$500 then a DX sensor probably costs US$50. And a cellphone sensor these days costs less than US$5 (including lens in many cases). The two ways to get lower sensor costs (other than size) is to increase the wafer size (200mm -> 300mm -> 450mm) or increase the yield somehow. But both of these tend to yield small changes at a time and would produce proportional benefits to each size (e.g., if you could reduce FX costs to US$400, then a DX sensor is going to cost US$40). Moving to smaller process (e.g. going from the current 65 nanometer sizes to 45 or 28 or even smaller) doesn’t reduce FX sensor cost. But it might benefit noise handling on smaller sensors. This may be why Sony appears about to concentrate solely on DX-sized sensors at the big end. They may see that they can get to FX-type performance with DX-sized sensors, in which case the cost benefit of doing so is huge.

So, yes, there’s a future in DX. Certainly a Sony future ;~).

Soweit Thom Hogan. FX bezeichnet bei Nikon übrigens Kameras mit Vollformat-Sensor, DX steht für Modelle mit APS-C-Sensor.