[Brightcolours]

[quote name='Yakim' timestamp='1305490748' post='8340']

Nikon's MTF are measured. Canon's MTF are calculated. Thus, they can not be compared.

[/quote]

Nikon's MFT are calculated too... but the person was talking about the MFT results from the photozone reviews.

[Steinar1]

Nikon has a replacement, the 50-500 SIGma, the 150-500 Sigma and the 120-400 Sigma <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/biggrin.gif' class='bbc_emoticon' alt='' /> They al do circles around the Canon!

[Brightcolours]

[quote name='Vieux loup' timestamp='1305532896' post='8349']

Nikon has a replacement, the 50-500 SIGma, the 150-500 Sigma and the 120-400 Sigma <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/biggrin.gif' class='bbc_emoticon' alt='' /> They al do circles around the Canon!

[/quote]

<img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/dry.gif' class='bbc_emoticon' alt='<_<' />

If only they were better than the Canon.

[Yakim]

[quote name='Brightcolours' timestamp='1305530736' post='8344']

Nikon's MFT are calculated too... [/quote]



I recall reading in many places that Nikon's MTF are measured.



[quote name='Brightcolours' timestamp='1305530736' post='8344']

but the person was talking about the MFT results from the photozone reviews.[/quote]



Missed that. 10X

[Yakim]

[quote name='Vieux loup' timestamp='1305532896' post='8349']

Nikon has a replacement, the 50-500 SIGma, the 150-500 Sigma and the 120-400 Sigma <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/biggrin.gif' class='bbc_emoticon' alt='' /> They al do circles around the Canon!

[/quote]



Pictures I've seen and user reports I've read suggest the exact opposite.