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 p.2 #1 · Sigma 19mm f2.8 on NEX - Initial impressions | |
ebrandon wrote:
I find it amusing that this 19mm on NEX thread has morphed into a 30mm on m43 thread. But that's fine -- intelligent conversation is allowed to meander.
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My take-away is that the Sigma 19mm is not brilliant at infinity, especially on the edges. It's much better as a close-to-medium distance lens.
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My apologies, I didn't mean to derail your thread. But I just couldn't help myself. 
Many thanks for the samples. I'm now really looking forward to getting the call from the camera store telling me that the Sigma 19mm is available for collection. I hardly ever photograph anything further away than 5 meters so the fact that it seems to be optimized for close to medium distances is good news to me.
theSuede wrote:
The >57mm <60mm lens on an SLR-type camera has a very specific meaning. It's very much easier to construct a 57mm+ lens with the back-focal distance needed due to the mirror-box than it is to do the same with a 50mm lens. If you want to do a 50mm lens with the classical ultron/planar layout you have to "compress" the back end to make it fit, and that effects performance by a noticeable amount.
Some new base constructions have surfaced in the last few years, that makes shorter, fast lenses available for a lot less money.
19mm seems just about perfect to me, since 28mm on a FF/FX camera is about as wide as I ever need. Wider than that enters the "synthetic perspective" region, which I think is very hard to pull off, and will look very "not-realistic" whatever mapping you chose. It can be very "striking", as the 14-24 on the Nikon system can show, or any of the newer super-wide zooms on APS - but there's no way around the "this is not realistic" feeling you get from looking at the images....Show more →
It's interesting, though, that the market resisted the 57mm and 58mm standard lenses and more or less forced the lens designers to produce the 50mm lenses that they preferred. Could this have been because a lot of the early purchasers of SLRs were accustomed (and loyal) to the 50mm focal length that they'd been using on their Leica, Contax, Nikon, and Canon rangefinder cameras?
28mm on fullframe is as wide as I like to go too, which is one of the reasons I placed an order for the 19mm Sigma as well as the 30mm. But I'm currently using 24/25mm and 50mm lenses on my NEX-5N bodies so when the fullframe mirrorless cameras arrive I might want to use the 25mm Biogon as my widest lens (assuming that the corner performance is good). Otherwise, the 28mm Elmarit-R is waiting.
Jman13 wrote:
It is very interesting how personal focal length preference is. I know some people love the 35mm focal length, while I've never liked it. I love 50mm, and I love 24mm, and I love 100mm.
Interestingly enough, at the telephoto end, overall, I am really not a fan of 85mm FF equivalent, yet even just a smidge longer, to 90mm equiv, is just fine. It's hard to describe, as the difference between 85 and 90 is extremely small, but it's enough that it drives me nuts to shoot with an 85, as it's just a little too short. 90-135 is my portrait wheelhouse, with 100mm being ideal.
So, consequently, being on m4/3 now, I love my Konica 57/1.2 as well, though it's equivalent to a 114mm lens on FF on my cameras. (which reminds me...I need to shoot some with that lens, I haven't used it in a while.)...Show more →
24/25mm, 50mm, and 100mm equiv is a great set -- it covers a broad range with relatively few lenses and there's a distinct jump from one to another.
A lot of Leica shooters like 28mm and 50mm (or 28mm, 50mm, and 90mm) so the Sigma 19mm may be appealing to NEX users who might want to pair it with a 35mm fullframe lens.
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It looks pretty hazy and smoggy... Just sayin'. 
