Canon and Nikon terms


rocketatw

Senior Member
Jan 15, 2010
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#1
what is the terms use in Nikon for silent motor (Canon call it USM). is the Nikon 18-105mm with silent motor?

In canon, only crop camera can use EFS lens, how about Nikon, what is the term use for EFS lens and EF lens?
 

stunna88

New Member
Apr 3, 2009
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#2
It's called SWM. 18-105 has SWM.

In Nikon, crop camera is called DX and full frame FX. Nikon DX lenses are compatible to both DX and FX cameras.
 

spree86

Senior Member
Feb 3, 2009
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Bishan
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#3
It's called SWM. 18-105 has SWM.

In Nikon, crop camera is called DX and full frame FX. Nikon DX lenses are compatible to both DX and FX cameras.
You should be more specific as DX lenses are not fully compatible with FX bodies. DX lenses can be used on FX bodies and works just fine but the image only falls on the center part of the FX sensor, so the usual crop factors still applies.

Similarly, FX lenses also works with DX bodies, the crop factor applies of course.
 

Vickon

New Member
Oct 13, 2010
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#4
For Nikkor silent motor they call it AF-S like (AF-S 18-55mm DX) that is the DX (crop sensor or APS-C) lens for Nikon DX body also can be use for Nikon FX but will reduces half of the MP. ;)

Cheers
 

pasay

New Member
May 13, 2010
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Singapore
#5
canon:

canon USM (ultra sonic motor)

canon EF-S lenses (can only mount on APS-C bodies)

canon EF lenses (can mount both cropped and FF bodies)


nikon:

nikon SWM (silent wave motor)

nikon DX lenses (can mount both cropped and full-frame bodies, but automatically changes the FF camera to DX-mode)

nikon [no designation/ lenses that don't have the DX designation] (can mount both cropped and FF bodies)

18-105 is swm
http://www.nikon.com.sg/productitem_new.php?pid=1282-150d0ae5b3
 

Last edited:

daredevil123

Moderator
Staff member
Oct 25, 2005
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lil red dot
#6
You should be more specific as DX lenses are not fully compatible with FX bodies. DX lenses can be used on FX bodies and works just fine but the image only falls on the center part of the FX sensor, so the usual crop factors still applies.

Similarly, FX lenses also works with DX bodies, the crop factor applies of course.
Not all dude. For some lenses you still can wing it... and still shoot in FX mode with DX lenses.

Example...
35/1.8 on D700.
http://www.flickr.com/groups/nikond700/discuss/72157622459065465/
 

spree86

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Feb 3, 2009
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Bishan
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#7

Rashkae

Senior Member
Nov 28, 2005
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#8
Wow, I didn't know that but why is the 35mm 1.8 able to shoot in FX mode? Is the construction different from other DX lenses?
It's just that the projected image circle is large enough to be acceptable on FX...
 

daredevil123

Moderator
Staff member
Oct 25, 2005
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lil red dot
#10
There is some slight vignetting... but remember the 35/1.8 is sharper than the 35/2

I regretted selling my 35/1.8... but one day I will buy it back I think.
 

rocketatw

Senior Member
Jan 15, 2010
1,389
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#11
thanks to everyone who contributed, i understand now.
 

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