My new lens for my 1D MkIII (sort of!)

EdBray

EdBray

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Edward Bray
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Since getting the 1D MkII and now the 1D MkIII I have been kicking myself for selling my 12-24mm Sigma as the widest lens I had available to fit my 1D bodies was my 24-70L which at the wide end gave me an approx FF AOV of about 30mm.

I happenned to be looking on the net for examples of ultra wide angle lenses to fit the 1D series and to be honest it is not very well supported. There are the 12-24 Siggy :'( and the Canon 14L (silly money) and then we are up to the Canon 16-35L or 17-40 which is taking us to a FF AOV equiv of 20-21 degrees. So it was looking like I was going to have to find another sharp Siggy 12-24, when I saw an article on adapting an EF-s 10-22 to fit on a 1D series body.

In order to prevent vignetting you are limited to only using it between 12mm and 22mm (which is similar to the Siggy's 12-24mm) other than that it is fine.

So being a bit daft and taking my lens in my hands I went for it, and here is the first picture from it.

Canon 1D MkIII, Canon EF-s 10-22 @ 12mm f5.6 1/40 sec (exif intact).

12mm.jpg
 
Taking off the rear cover piece was easy. It does expose the electronics but I am getting an older EF lens to try to adapt the cover off that one to fit the 10-22mm. It works brilliantly from 12mm and as the camera is actually a 1.25 crop it gives an FF AOV of about 15mm which is great.

The image quality is also better than the Sigma and if you go out to about 14mm or 15mm (18 or 19mm FF AOV) then you can use filters too which is all but impossible on the Sigma.
 
I'm not convinced y'know....

It seems to have distorted the curtains at the back there something terr......

Oh... no... wait......

:lol:

Seriously though, it seems quite effective, even if the conversion is ripe for inclusion on http://thereifixedit.com/

:p

-Rob
 
That's very interesting Eddie :) Do you have any more information about what's involved, links?

I'm wondering about the EF-S 17-55 which, even if you lose a tad off the wide end would become a 24-70mm equivalent, very sharp, f/2.8 throughout, and with IS. That is a better walkabout range and spec IMO than any of the EF lenses on 1.3x crop.
 
Yes, the flickr link is the one I saw. I managed to pop out mine with my finger, it is only held in with four tiny wedge clips.
 
Thank you chaps :)
 
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