AlanF said:Just look at the MTF charts for the Sigma Sport in the link I posted.
AlanF said:I await other websites to test the Sigmas on crop, and the Swedes to do the 100-400 II.
docsmith said:AlanF said:I await other websites to test the Sigmas on crop, and the Swedes to do the 100-400 II.
Sounds good. It will be interesting to see both more reviews and more actual photos come in. If the observations the Sweds made and you made with the Tamron hold up, in that the 3rd party 150-600 lenses take a large hit on crop vs FF compared to the Canon lenses....then that would be a good reason for crop users to buy something like the Canon 100-400 II over the 3rd party 150-600mm lenses. So hopefully we get such a direct comparison, ie 100-400II plus 1.4xTC vs the 150-600S on crop bodies from the same source.
Of course, I am already seeing some pretty great images taken with the 150-600's on crop (links provided above, and also, scrolling through the lens page on flickr).
ahsanford said:HarryWintergreen said:The 100-400 II is extremely useable, not too heavy, lighting-fast AF. The Sigma is really heavy and simply not a joy to use. IQ of 100-400 II is on the highest standards of a zoom lens. Walking miles along a coast line with the Canon and being quickly in a position to shoot seabirds is not a problem at all. To me, you cannot ask for more.
Actually, you could ask for 200mm more length.
The Sigma will always have that in its favor -- Canon won't let you get to 600 without a teleconverter or a loan from the bank. Give them some credit for delivering a solid product that doesn't cost a mint.
- A
AlanF said:Lenstip has NOT tested those lenses on crop. You have, unfortunately, misread the tests. They tested on the Canon EOS 5D MkIII and reported the resolution at the "edge of the APS-C sensor" - that is what the resolution is at a distance on the FF sensor which would correspond to the edge of the APS-C.
Lenstip has yet to test the 100-400 Mk II - it is indeed listed on the site, but it is untested.
7D-II is not the same as a 1Ds-III both in terms of resolution and AA filter so in my mind at least these are not directly comparable setups.9VIII said:ahsanford said:HarryWintergreen said:The 100-400 II is extremely useable, not too heavy, lighting-fast AF. The Sigma is really heavy and simply not a joy to use. IQ of 100-400 II is on the highest standards of a zoom lens. Walking miles along a coast line with the Canon and being quickly in a position to shoot seabirds is not a problem at all. To me, you cannot ask for more.
Actually, you could ask for 200mm more length.
The Sigma will always have that in its favor -- Canon won't let you get to 600 without a teleconverter or a loan from the bank. Give them some credit for delivering a solid product that doesn't cost a mint.
- A
http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=978&Camera=453&Sample=0&FLI=7&API=0&LensComp=972&CameraComp=963&SampleComp=0&FLIComp=4&APIComp=1
When I look at the 100-400MkII on crop vs. the Sigma 150-600 S on full frame, they look virtually identical to me, maybe even giving the edge to the cropped 100-400MkII, and that lens is actually giving a 640mm equivalent FOV.
There's a lot of reasons to stick with the Canon.
If I had a full frame sport body already it might be a close call, but the 100-400MkII is a lens with very few downsides.
(Yes at f8 the Sigma improves a tiny bit more in comparison.)
Hi,Vincwat said:Hi everyone,
I had a 7Dmk1 and the orginal 100-400. It worked well. Then I switched to the 5Dmk3 and the Tamron 150-600. It was very good. I replaced the Tamron with the Sigma 150-600 sport. On the 5Dmk3 it is very good. On the 7Dmk2 it is terrible. I am going on a trip next week. When I am back I will send the 7Dmk2 for repair. If it doesn't fix the problem I will look for another solution. I would like to post some sample images. 100% crop of the files. I am using lightroom 5. But I have never done this before. So I have no idea how to do it. If someone can explain this to me I could post them.
Vincwat
jmeyer said:Hi, I rented the sigma sport two weekends ago from LensRental, to give it a shot. I currently use a 50D and 400mm 5.6, so I was looking to get a few extra mm without thousands of dollars. I have to say I was quite impressed with the lens. I thought it was very sharp at 600mm. I didn't use it at any other focal lengths. One thing I did notice, though, is you need light. It struggles with slow shutter speeds. Here are a couple of pictures I took with the lens at 600mm.
I'd love to put my hands on this Sigma for a Safari but for practical terms I see myself upgrading as well to the lighter 100-400mmL II because of the weight and portability advantages.Random Orbits said:Glad to see that the 100-400 II holds up so well. Hoping to upgrade the version I to the version II soon.