
When I moved from a Rebel T4i (20 MP) to the first-gen 6D (also around 20 MP), the 6D had around 2 stops better performance when looking at noise levels. And, other surrounding tech (AD converters, processors).

But yes, there are other factors such as that newer sensors can often match or even beat sensors with larger sensor sites.
#Canon mark 5d ii vs 6d full
Given two sensors in either APS-C or full frame built around the same time, you'll typically see better low light performance with the version with larger square area of those sensor sites. What are the reasons that would make you choose the 90D over the 6DM2? The EF 35mm is a Tamron SP and I find myself using that more than any lens I own and I am not sure if I would be willing to get rid of that anytime soon lol. I'm leaning more towards the 90D for the reason of extra reach and higher fps but it's a hard decision to spend that much on a crop camera when the 6DM2 is sometimes equal or less used. You will likely need a longer tele lens for sports. Keep in mind your 70-200mil zoom will not be as effective tele on a 6D2. However, the 80D and the EF-S 17-55mm f/2.8 IS USM Lens would be a great combo. In which case I would not buy the f2.8 Canon. And, if I was to think I really wanted the new camera, I know the feeling, I would buy the 90D along with the Sigma 18-35mm f/1.8 DC HSM Art Lens. Now to carry this a bit further, I would go for the 90D all day long over the 6D2.

You'll never use them again if you get the lens we suggested. Sell these lenses EF 35mm f1.8, EF 50mm 1.8 and the EF-S 18-55mm kit.
#Canon mark 5d ii vs 6d upgrade
I thing the upgrade to the Canon EF-S 17-55mm f/2.8 IS USM Lens is the first way to go. They'll work on your APS-C cameras (even though their focal ranges may not be ideal in all cases), and you'll still be able to use them when/if you do buy a FF am sorta in the same camp as Robert. Whichever way you decide between the 90D and the 6D2, resolve to buy only full-frame (EF, not EF-S) lenses in the future. I think it might make more difference in the overall utility of your equipment.īut since you evidently are considering FF but haven't made a final decision (a situation in which I once found myself), I'd recommend a different approach. Instead, I'd suggest that you upgrade from your 18-55 kit lens to the much superior EF-S 17-55mm f/2.8. However, that's not what I'd recommend in that circumstance. If you were not considering a move to full-frame, the 90D would be a nice upgrade to your SL-2. If anyone could help me out in my decision that would be great.

The 11fps of the 90D sounds very appealing but so does the full-frame of the 6D mk ii. I mostly shoot sports and street photography and I am looking to upgrade the SL2.
