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Is the 11-16mm lens on a Canon 7D equal to an 11mm lens or a cropped 17mm?

Mysticpuma

Active Member
I am looking at buying two camera bodies and want to get a nice wide lens.

Currently I am considering a 5D MKII and a 7D, but I wonder if I should just buy 2x 7D's instead?

I would like to use it for films but the stills are more useful to me to begin with, but the last thing I want is to have to buy two wide-angle lenses one for full-frame the other for cropped.

I will need a wide lens for most of my work, but don't know if the Tokina 11mm-16mm is that on a cropped frame camera or if the lens is 11mm-16mm but equal to 17mm-24mm on an cropped frame.

It's not easy to find this detail so any help and advice welcome.

I realise I can't use it on the 5D without getting a crop, but advice is welcomed.

Cheers, MP
 

senu

Distinguished Member
Yes
But if the 11-17 is EF-S only( even as Tokina) it wont work on a 5D
 

RobDickinson

Well-known Member
Its not EF-S. Its still an EF mount. And as such will mount and fire on a 1Ds or 5D. Although it will vignette a lot!

Its used a fair bit as a UWA on 1.3 crop 1DmkIII's etc.

I've used my 10-20 on 5D too. Canon are the only company making ef-s lenses.


But to answer the question yes the 11mm is a true 11mm like every SLR lens you have to apply the crop factor yourself, this is because the focal length is the focal length regardless of sensor size.
 

senu

Distinguished Member
Its not EF-S. Its still an EF mount. And as such will mount and fire on a 1Ds or 5D. Although it will vignette a lot!

Its used a fair bit as a UWA on 1.3 crop 1DmkIII's etc.

I've used my 10-20 on 5D too. Canon are the only company making ef-s lenses.


But to answer the question yes the 11mm is a true 11mm like every SLR lens you have to apply the crop factor yourself, this is because the focal length is the focal length regardless of sensor size.
Thanks
I have the Tokina 12-24 and it is a non Canon therefore an EF but with warning to only use it on a Crop Sensor I assume this is because of the heavy Vignetting rather that a physical reason such as is the case with EF-S
 

mucca_D

Well-known Member

shotokan101

Distinguished Member

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