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Its not that hard to design this stuff. For Leica M, there are excellent wide-angles, just NEX and NX systems are sorta lacking.
I guess its due fact that 1) Sony doesnt really care about their NEX 2) Samsung wants to keep package small (most are pancakes, exception is only huge 85mm f1.4).
So lets hope Samyang and Sigma will make something.
It is fairly hard to design these lenses. There's a good reason why those M lenses are the prices they are, and getting the older M wides to perform well on digital is a major reason why the M9 is as expensive as it is, as Leica had to both get their sensor customized to improve the corner performance of their wides and also do fairly extensive software corrections as well, which is the reason for 6-bit coding as well as the existence of CornerFix, this is also a major issue in the MF digital world. Symmetric wides and even retrofocus wides with an exit pupil near the sensor are simply difficult to get to work well on digital.
Sony is pretty damned slow at rolling out new lens designs. They have the same issue in A mount as in E mount. In fact E mount has it better, Sony has no good APS-C wide lenses in A mount, only the two good normal zooms that go to 16mm, E mount at least has a decent option in terms of a pure wide in the 16/2.8, the A mount 11-18 is a dog, all the real options are 3rd party. Only Pentax offers a good selection of APS-C wides, but at least both Nikon and Canon do offer at least one good zoom.
Edited on Aug 04, 2012 at 01:08 PM · View previous versions