Expecting too much of a fixed lens?

Started Jan 25, 2014 | Questions thread
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DavidEdwinAston New Member • Posts: 9
Expecting too much of a fixed lens?

I did wonder if the Sigma 30mm f1.4 lens, mounted on my 550d would take a picture of such quality, that it could be cropped and produce an image clearer than that taken with the zoomed Panasonic TZ7 I also own.

(I put a framed picture of our granddaughter some fifteen feet from my shooting position. Zoomed with the Pany and got a moderate image.

Same procedure with the Canon.Great picture of much of the room, with the framed picture in the middle. However, cropping the image on the computer down to just the framed portrait produces a very inferior picture.)

Would this really only work with a faster prime on a far better dslr than my Canon 550 ?:-)

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