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| p.3 #6 · p.3 #6 · Is there something wrong with this Lux 50 ASPH? |
Sorry this is going to sound lame, but I can't for the life of me find the charger for the NEX, and the battery is dead. I took some images using the M240 though, and I REALLY REALLY don't notice a performance loss in the mid-zone.
I have a theory, so hear me out, and anyone who cares to chime in, go for it..
So, even though the Nex is a crop sensor camera, maybe M-lenses are still coming in at a sharp enough angle that it's screwing with the images (as in, the sensor in the nex has no microlenses??) I...Show more →
Microlenses help with sensitivity and vignetting, but it's the sensor toppings that are the culprit, when it comes to smearing. I've seen some users tear down a couple of the Nex cameras, and Sony doesn't seem to even be using consistent sensor topping arrangements among various models, and I'd imagine that's why the Nex cameras vary so much with the smearing.
Either way, Sony would have to proactively design a sensor stack that behaves wonderfully with M lenses, if one expects m240 performance with M lenses, and I don't see that happening. The GXR M module is much sharper across the frame than even the 5N in any of the comparisons I've seen, and I wouldn't be surprised if even the 50 lux has a bit of smearing on the 5N. The 50 Summicron could potentially have less of an issue, I'd guess.