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Tamron 28-300MM F/3.5-6.3 XR Di LD VC AF

28-300vr
Review Date: Aug 23, 2008 Recommend? no | Price paid: Not Indicated | Rating: 7 

 
Pros: Extended zoom range in a small package. Front does not rotate.
Cons:
Is it really 28-300?? Not compared to my other lenses...

I just bought the VC version of this lens to compare to my Canon 70-300 IS.

Aside from the normal comments I've seen, I have a really big question... Is this really 28-300mm?

In my comparison tests, 300mm on the Tamaron is almost a perfect match for 200mm on the Canon. 300mm on the Canon is obviously more powerful

300mm

Canon at 70-300 at 300mm
http://homepage.mac.com/seandanekind/Tamaron%20Compare/thumbnails/thumb-9.jpg

Tamaron 28-300 at 300mm
http://homepage.mac.com/seandanekind/Tamaron%20Compare/thumbnails/thumb-1.jpg

200mm

Canon at 70-300 200mm (looks a lot like the Tamaron at 300)
http://homepage.mac.com/seandanekind/Tamaron%20Compare/thumbnails/thumb-10.jpg

Tamaron 28-300 at 208mm (via EXIF)
http://homepage.mac.com/seandanekind/Tamaron%20Compare/thumbnails/thumb-2.jpg

70mm

Tamaron 28-300 at 77mm (via EXIF)
http://homepage.mac.com/seandanekind/Tamaron%20Compare/thumbnails/thumb-5.jpg

Canon at 70-300 at 70mm
http://homepage.mac.com/seandanekind/Tamaron%20Compare/thumbnails/thumb-13.jpg

Wide Angle

Tamaron 28-300 at 28mm
http://homepage.mac.com/seandanekind/Tamaron%20Compare/thumbnails/thumb-8.jpg

Canon 10-22 at 22mm
http://homepage.mac.com/seandanekind/Tamaron%20Compare/thumbnails/thumb-14.jpg


I don't have my 17-85 lens handy, but my guess is that the Tamaron is actually wider than 28mm.

Granted, it's possible that my Canon 70-300 is significantly longer than advertised (+50%), but to my amature eyes, it appears that the Tamaron is more like 24-200mm. And, I double checked - the lens does say 28-300.