CANON LENS HELP

DUNKS

DUNKS

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Name
Peter
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I have aquired a Canon 75-300 f4/5.6. zoom lens. Marks on the collar are, ef 1.4-5.6 and mk three. I thought the ultrasonic models were mk3 and the older ones like mine mk2 can anyone put me right. ID code on this lens is 5600054D.
 
It should read 1:4-5.6 which indicates the aperture value throughout the zoom range ... f/4 @ 75mm to f/5.6 @ 300mm.

The Mk III has 'Ultrasonic' clearly labelled in gold on the side of the barrel. Not sure about the Mk II but if the lettering is missing, I would think that it lacks the USM.

HTH
 
GarynLea said:
It should read 1:4-5.6 which indicates the aperture value throughout the zoom range ... f/4 @ 75mm to f/5.6 @ 300mm.

The Mk III has 'Ultrasonic' clearly labelled in gold on the side of the barrel. Not sure about the Mk II but if the lettering is missing, I would think that it lacks the USM.

HTH
Click to expand...

According to Canon's website there are two versions of the 75-300 f4-5.6 MKIII, one with a USM AF system the other with a micro motor AF system.
 
Gofer said:
According to Canon's website there are two versions of the 75-300 f4-5.6 MKIII, one with a USM AF system the other with a micro motor AF system.
Click to expand...
:plusone:

http://www.canon.com/camera-museum/camera/lens/ef/data/telephoto_zoom/ef_75~300_4~56iii.html

http://www.canon.com/camera-museum/camera/lens/ef/data/telephoto_zoom/ef_75~300_4~56iii_usm.html

Always worth a check, this site lists every lens Canon have ever produced:
http://www.canon.com/camera-museum/camera/lens/ef/ultra_wide.html
 
I don't think the USM makes a great deal of difference on these lenses TBH
 
Thanks all. I had read all sorts of horror stories about this lens, but after giving it a go I find it to be not too bad at all.
 
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