Don Haines said:
tomscott said:
FEBS said:
Hi MJ,
I read from your data that 60% of your photography for sure needs FF (available light, dim light, landscape). The other hand, you do photograph also wildlife/animals. I have both FF and APS-C cameras. However, the only good advice I can give you is, you need for sure FF for the 60% mentioned above. The 5D3 is really a fabulous camera. When I first got the 7D and the 5D3, the 7D really stayed on the shelf. For my last safari, I prepared very carefully what I wanted to take with me. I wanted 3 cameras, one short range, one for 300 and another one for 600mm. It ended up on all FF. How hard I tried, I could always see the difference between the 5D3,1Dx and the 7D2. So the 7D2 stayed at home. You can crop much better on the FF then on APS-C. The 5D3 will really give you photography a big boost. So for that reason, I would choose the 5D3. I know the 7D2 has much better spread in AF points, but this point only can't beat the 5D3.
Your point exactly is that you have access to a 600mm a £10000 lens... were talking about spending £800-£1500 on a camera... the average photographer doesn't and 400mm is about as close as it gets for optimal quality as the 150-600s past 400 have a max aperture of 6.3 so don't af so well. So the crop gets you a lot closer without too much of a penalty. Also not everyone likes to travel as heavily laden like that. Therefor Full Frame is ideal for everything as long as you have the reach, with a 5DMKIII if you crop down to 600mm it doesn't give you a lot of pixels to play with... 10-12mp? and has even less on the subject. 400mm on FF isn't really that brilliant for birding, for larger animals its ok. The point is you can never have enough reach. Big bird photographers like Arthur Moris swear by the 7DMKII as your 600 with a 1.4 is racking out to 1344mm 2x for 8 focus is nearly 2000mm gets you close to things you otherwise wouldn't be able to.
I have actually found myself the other way round since getting the 7DMKII, my 5DMKIII for wildlife has been on the shelf. I think the IQ is very good especially with good glass and the ISO range up to 4000 is really very usable. The 7D files have a nice grain and much less colour noise than the 5DMKIII.
I have the Tamron 150-600 and it will AF quite well.
and yes.... talking about a £10000 lens for a budget shooter does not make much sense. If you are birding or after other critters, you can never have a long enough lens.... The ultimate in AFFORDABLE distance is one of the 150-600's (Sigma or Tamron) and a 7D2...
An example is this Dunlin, shot wide open at 600mm with a 7D2 and Tamron 150-600 (cropped to half size). At 14 times the price, a 600F4 would give you better feather detail.
AF's fine for still subjects like you have posted but as soon as they start to move <40% hit rate at 600mm i shot multiple test runs, af mode 2 BB focus 1/2000th ai servo and found the results identical almost every time, at 400 its performs very well but you don't buy a lens like that to use cap it at 400mm. If the birds move horizontally and not too erratically its not too bad but barely any birds fly like that. It doesn't leave you much room to pic a good image in a sequence for artistic selection. Just written a comprehensive review of the Tamron I had in the third party section. It seems to AF, but not tak like a mm out, when it hits its amazing really impressive sharpness for still subjects but I found if your used to decent L glass the AF performance was a bit underwhelming especially when the aperture moves to F6.3 out of the parameters of the AF system. I was very happy with the sharpness but it felt so sluggish and you can't just pic it up and shoot you have to think about what your doing. With the Sigma its reaches F6.3 at 388mm making it the slowest of the bunch and the Tamron at 428mm. On a crop camera I found the tammy to be really soft too. you can get fantastic images from it but I much prefer the Canon lenses.
If bang for buck is what you want I wouldn't hesitate to recommend but if its BIF you shoot most I would push people in other directions. The 400mm Prime and MKII 100-400 is sharper even cropped but obviously you loose the resolution which is why the 7DMKII with either of the above is such a great combo. Add a 1.4x and it gets you nearly 900mm for those times in a pinch and its still sharper than the 150-600mm at 600mm on a 5DMKIII. The above image is a lovely pic but the Tamron with a crop body is soft.
Here is the thread if your interested
http://www.canonrumors.com/forum/index.php?topic=27574.0