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I said nothing about kit lenses at all, no clue where that came from. As for the rest, all zoom lenses, and yes that includes those made by canon, are subject to focus breathing. Granted the nikkor 70-200mm vrii is a heavy breather, but the 134 you mention applies at a focus distance of like 1.4m as I recall. As the focus distance increases so does your effective focal length. Same thing happens with all zooms, though not all of them breath as heavily. The tamron 70-200mm vc is pretty close in numbers to the canon from what I understand. So sorry but the argument simply doesn't hold water.YOU SAID"
Ok, so to clear a few things up here, Canon does not have superior "IQ" in the vast majority of cameras when compared with their Nikon equivalents. It's the other way around.
Canon has recently released a 50 MP camera, but the body itself is $3500 so it's not exactly targeted at your average user. You might also wish to note that despite it's high MP rating it does not deliver better overall IQ in most situations, at least according to most of the reviews I've seen:"
Your Completely wrong on that, Let me tell you how i researched this and what made me do it.
I was shooting with Canon, and i been doing portrait and weddings with it, the 5D Mark III using my Holy Trinity of lenses,
The Canon 10-24 the Tamron 24-70 F2.8 and the Canon EF 70-200mm f/2.8L IS II USM Lens Which is my fav lens..
When i discovered about Nikon having better dynamic range and more MP i thought about trading in all my canon lenses and gear and just Go Nikon and get better overall Image Quality and sharpness. Becuase the truth is.
If you compair the Canon 5Dmark III 24MP camera, Vs the Nikon D800E 36MP camera.
with the 24-70 lens the canan gets 18 P-MP but the Nikon it's 21 P-MP
With the T 24-70 for canan you get 18 P-MP Nikon it's 23 P-MP
With the 600 F4 for Canon you get 20 P-MP but Nikon you get 24 P-MP
and the Tamron 24-70 that is one of my fav lenses and there is a substantial
diference in MP 18 MP vs 23 MP
So in that perspective the Nikon with that lens is giving you about 25% more detail, and 50% more pixels with the Nikon.
So the Nikon Bodies are better, because they use better sony sensors..
With the Canon and with my most favorite lens the Canon 70-200 f2.8 with image stabilization
If you measure the effective focal Length, it ends up being about 70-195 MM at headshot range,
when taking a portrait, So Dxomark measures the sharpness of it when attached to the 5D mark III a at about 21 MP, 5d mark III is a 24 mp camera.
But wait!!!
But with the Nikon the effective focal range is 60-130 MM.
Which is a huge diference from 70-200
so if i want to get the same subject size i need to move like 75% closer to my subject.
you don't have the same working distance..
It also means your not getting as much compression of the facial features, or as much backgroud blur
with Nikon using that lens on the D800E your getting 27 P-MP so that's about 30% more detail then canon..
But my problem is, you can't get to the same focal length with Nikon like you can with canon.
and as far as i'm concerned i can't sacrifice that 200 MM.
About 70% of my shots with that lens is at that 200 MM, so that is a huge problem for me.
That means i can't replace that canon 70-200 with the nikon version..
I'm out of luck there.
that lens at the 200 Range is a key element for doing my wedding photography using full frame..
and if you look at DXOMARK's measurements that range is a ****.. I'm losing all the good sharpness, it's in the RED!!!
So then i thought i could solve this by picking up the 200MM 2.8 Prime, but that doesn't excist for Nikon..
So that is how i realized that, Yes Canon's Lenses give you better sharpness and IQ then the Nikon lenses do overall, because i checked that out on many of the lenses, and my holy trinity of lenses all the Canon's Lenses in that trinity which is what i use, is better then the Nikon versions..
Here is a picture Canon Vs Nikon 70-200 lens sharpness measurements..
View attachment 126837 View attachment 126838
And that is why i mentioned earlier about using Kit lenses, some one stated that kit lenses are great, but here is why i stay away from them and why you do lose quality of what your camera is capable of..
if use a Nikon D7100 and get a Nikon 18-55 Kit lens vs the Sigma 18-35 1.8 your going to see a huge difference in IQ, hands down..
Who ever said that Kit lenses can produce just as good IQ as the higher quality more expensive lenses is foolish to say that, look at the DXOMARK Measurements, Green is good, RED is BAD!! where do you see any good in that kit lens? Pretty much no where on that spectrum does that kit lens 18-55 show any green, it's mostly red and orange with a bit of yellow..
Try and tell me that 18-55 can compete with that sigma 18-35 art lens?
View attachment 126839 View attachment 126840
Look, canon makes a great camera and some nice lenses and for some folks depending on what they do canon would make a better choice than Nikon. The reverse is also true, for some folks Nikon is a better choice. But no one is served by misinformation.
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