05-17-2011, 05:05 PM
[quote name='Brightcolours' timestamp='1305650420' post='8421']
Popo, I suspect this boy is comparing 85mm f1.8 on full frame from Canon and Nikon to 85mm f2.8 on APS-C <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/laugh.gif' class='bbc_emoticon' alt=':lol:' />
[/quote]
No, they are not. The borders are in "good" category on both Canikon, not excellent
Canon 85mm
![[Image: mtf.gif]](http://www.opticallimits.com/images/8Reviews/lenses/canon_85_18/mtf.gif)
Nikon
![[Image: mtf.gif]](http://www.opticallimits.com/images/8Reviews/lenses/nikkor_85_18/mtf.gif)
Sony
![[Image: mtf.png]](http://www.opticallimits.com/images/8Reviews/lenses/sony_85_28/mtf.png)
So both canikon has a hole that they don't have F2.8 lens that's twice cheaper.
Popo, I suspect this boy is comparing 85mm f1.8 on full frame from Canon and Nikon to 85mm f2.8 on APS-C <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/laugh.gif' class='bbc_emoticon' alt=':lol:' />
[/quote]
No, they are not. The borders are in "good" category on both Canikon, not excellent
Canon 85mm
![[Image: mtf.gif]](http://www.opticallimits.com/images/8Reviews/lenses/canon_85_18/mtf.gif)
Nikon
![[Image: mtf.gif]](http://www.opticallimits.com/images/8Reviews/lenses/nikkor_85_18/mtf.gif)
Sony
![[Image: mtf.png]](http://www.opticallimits.com/images/8Reviews/lenses/sony_85_28/mtf.png)
So both canikon has a hole that they don't have F2.8 lens that's twice cheaper.