giga said:
there's a difference between "cliche hdr" and hdr referring to all layering techniques that composite from multiple bracketed shots. a GND can be simulated using the latter without the very non-trivial cost of a large GND. of course this is not so true with CPLs, but on the other hand, they're zomg expensive
the lx3 i had would have cost about 370. it's expensive because it's only marginally better than a 150$ p&s sensor-wise, but the faster digital board in it makes it cost like 2.5x as much. also the lens distortion means raw is worthless -- i consistently got better ooc jpegs than ACR processed. i did like the ooc b&ws though. grainy like film, beautiful up to iso 800
lens decentering occurs when a lens element is out of position + tolerance in its optical plane. it's important for the lx3 because the camera uses a hardcoded formula to correct for the ample lens distortions. if your lens is out of tolerances, this formula will incompletely correct your lens distortion and then you'll be pissed that exactly one edge of your frame is always blurry and distorted