Sigma 10-20 which one?
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04-04-12, 01:17 PM
Join Date: Feb 2011
Oldboy is right, all the tests indicate that the f4-5.6 is a slightly sharper lens. But I wouldn't let that guide me. The question you need to ask yourself is, "Do I need the extra ½ stop?" The answer is almost certainly to be 'No' as most of us try to shoot in the lenses 'sweet spot' if possible which is going to be around f8.
The next question is are you likely to want to shoot with a minimal depth of field (will only really apply to close-ups). If you do, and I can't imagine a situation where I would, then spend the extra money, if you can afford it.
If the answer to both questions is an emphatic 'No' then save yourself some money, buy the cheaper one and you're £100 on your way to your next purchase.
The day you think you've found perfection is the day you stop looking, then someone else will find it and move in front of you.
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