and not to forget about moire either, now that is something that will actually ruin images whereas an AA filter will make then slightly less crisp.
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The f/4 IS is sharper than the f/2.8 IS, the latter is bigger and heavier. If you don't need f/2.8 for indoor sports or subject isolation for portraits, I'd stick with the f/4.
thanks for the info. I'm only working with a canon rebel - have for five years now. I have a full frame coming on Friday, finally decided to upgrade to the 6d. So on top of strobe lighting to learn, I will get to learn a new camera too. This next one was taken with my canon rebel - 50mm 1.8 (ISO 200, F3.5 and shutter 1/200) All in all the color is flat but it looks "natural" lighting wise and that is what I'm going for. I will just keep playing around until I get the look I like. I used both bee's and both softboxes with this one.
What about a 4D? It's just a matter of time
No then all the Physicists would get confused they might think it were referring to advanced hypothetical spacial relationships beyond the current acknowledged 3 Dimensions...
I'll bite on this...
I think you make some very valid points.
Of course, only time will tell. But I have a hard time imagining that even with the presumed cost reductions in sensors (which folks more knowledgeable than I am have said are unlikely to be significant in the foreseeable future), that Medium Format will overcome the other limitations you reference, particularly because some of the limits result from the basic physics of the size.
I'm also not quite so anxious to presume the death of APS-C. I think it is always risky to bet against "good enough" in favor of "better." There are junkyards full of products that were better that lost out to good enough.
It's hard to look at the current quality of APS-C sensors, the relative sales and the 100-year plus march towards ever smaller and more efficient electronics and believe that the long-term trend will be towards larger, rather than smaller.
I think we may be better able to see the future of the crop format when the 7DII finally surfaces.
Looking at the medium format market today, it takes quite a leap of faith to think it will break out of the narrow niche that it lives in currently.
Still, I think your observations are valid and I certainly appreciate the way you have articulated them in a fair and unemotional manner.
Oddly enough, i think that the transition is more likely because of the very advancements you speak of. sensors smaller than APS-C are getting better and better, as are the optics in cell phone cameras. So APS-C is going to have to get a whole lot better, or, be phased out ---this is within a decade mind you. I'm not one of the physics masters here, but how much more can the APS-C be pushed?
Actually, it probably has really huge pixels. There are Kodak astro CCDs that have 9µm and 24µm square pixels. If we figure that the pixel sizes for this 8x10 sensor are somewhere around there, the guy has ~640mp @ 9µm, and ~90mp @ 24µm. I figure, just from a space and processing standpoint, the pixels would have to be garganguan. I think 24µm pixels sounds more reasonable, and I guess it's possible they were larger than that. So this guy is taking maybe 70-90 megapixel photos with a giant 8x10 sensor with pixels that probably have about 12 times the sensitivity as the 1D X sensor. That would make full well capacity per pixel around 1.1me- to 1.5me-...WOW. Dynamic range on that sucker must be like, 150dB!
How many apple-esque stores have Canon opened so far, was there not an announcement some time ago about them doing that?
I had the same debate as you did. I love my primes but also had a canon 24-70 v ii. So I took the 24-70 v ii and my sigma 35 art and ended up only using my 35 because it is perfect walk around lens. I found that I had no use for the zoom and ended up selling it and sticking with just primes. I traveled to Spain and Italy over a year ago and only used the sigma 35 art. Heres the link
I would've thought it would have made a logical business partnership for Canon or Nikon to pair with a cell phone company to handle the camera function. Seems like a no brainer.