Those databacks are not full frame. They are more like the APS-

Those databacks are not full frame.  They are more like the APS-C cameras in the 135 format, with sensors covering about 50% of the medium format image circle.  Some have even smaller sensors.

所有跟帖： 

• 最小规格的中幅 （6×4,5 cm）也比全幅 （24 x 36 mm）大的多。 -schatten- ♀ (1097 bytes) () 12/09/2011 postreply 06:33:35

• Of course. Did I say anything contrary to this? -pieq314- ♀ (164 bytes) () 12/09/2011 postreply 09:03:24