Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical A-mount lens review by Mauricio11

Mauricio11#2900 date: Nov-1-2007
sharpness: 5 color: 5 build: 4 distortion: 4 flare control: 5 overall: 4.6	tested on: film camera: APS-C: 6MP; 10MP; 12MP; 14MP; 16MP; 20MP; 24MP full frame: 12MP; 24MP; 36MP; 42MP; 61MP
ownership:	I own this lens
compared to:	Sony 18-70
price paid:	retail
positive:	- sharp - 2.8 through the range - fast AF
negative:	- long end not enough - not FF capable - lock button is useless
comment:	This lens is so sharp that I have to wear gloves when using it (just kidding). But seriously, sharpness is a huge positive aspect from this glass. I could say it is sharper than M20/2.8 and M24/2.8. Definitively sharper than M28/2.8 and kit lens. I've bought this lens to replace my kit lens and make a couple with my T90/2.8 when traveling. I can say they do the job, very well done. Lock button is only for transportation (it locks at 17mm only). It would be nice if it was a zoom lock button. As you can expect, there is some distortion at wide end. You need correct it in PP. Recommended.