Sounds like a resounding victory for Sigma then! So I shall now start hinting furiously to my family for a 10-20mm whilst at the same time continue to save some pennies as I know I'll have to buy it myself

Cheers to all who replied, you've been a great help!

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Take gentle care....
Marie

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I dream of a better tomorrow, where
chickens can cross roads and not
have their motives questioned....
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