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PostPosted: Wed Sep 21, 2011 1:14 pm 
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Joined: Wed Nov 18, 2009 5:23 pm
Posts: 828
Location: Boca Raton, FL, USA
Actually just a correction - Canon doesn't have the focus motor in the body on any camera. Canon uses lens-based motors...the reason they have such a strong used market is that they made the commitment to switch to lens motors a long time ago, abandoning their other mount in the late 80s. Nikon didn't change their mounts, so when they started working with in-lens motors, they still also made focus motors in the body...however more recently they started making their entry-level bodies without in-body motors, so they can only work with lenses that have motors. The enthusiast level and pro level Nikons all still come with body motors to work with all Nikon AF lenses. The side perk to not having changed their mount is that Nikon cameras can still mount Nikon lenses going back into the late 1950s, whereas Canon cameras can't mount their older manual mount before EF. Similarly to Nikon, Pentax has never changed their K-mount and can still mount all lenses they've ever made back into the manual days...and all bodies have focus motors. Sony bought out Minolta, who had similarly to Canon made a transition to an all-new mount, however their reason was for autofocus in the early 80s. So Sony cameras can mount all Minolta AF lenses since the early 80s as well as Sony lenses, but cannot mount the older Minolta MD mount (manual) lenses. All Sony bodies also have focus motors in the body, and so can work with any autofocus Minolta/Sony lens.

Confusing, isn't it??!!

_________________
Justin Miller
Sony DSLR-A580 / Sony 18-250mm / Minolta 50mm F1.7 / Sigma 30mm F1.4 / Tamron 10-24mm / Tamron 150-600mm / Tamron 90mm F2.8 macro / Minolta 300mm F4 APO
Sony A6000 / 18-55mm F3.5-5.6 / 55-210mm F4-6.3 / 10-18mm F4 / 35mm F1.8 / 16mm F2.8 / via manual adapter, lots of Pentax K mount, Konica K/AR mount, and Leica M mount manual lenses

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PostPosted: Wed Sep 21, 2011 1:53 pm 
Yes a bit confusing must confess, but I got it at the second time ;)

Finally I understand correctly what everyone says about Nikon and Canon used lens market!

Thank you a lot for your messages, you both have been very helpful.

I'll probably go for the Canon 550d because here the new Sony's SLT are more expansive then the 550d and with that difference I can actually buy a regular camcorder after if I really feel the need to.

The 850€ Pack for the 550d with a stabilized lens 18-135 is also a good deal, at least here since the pack of the 1100d with the 18-55 and 55-200 non of them stabilized is around 750€.

Besides I really enjoy the results of manual focus in the 550d videos, I think they give a some how romantic look in the final result.

Thank you again for the time spent with me.

all the best for you all

Ricardo


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