« on: March 27, 2013, 10:25:30 AM »
I'm not sure this is much of a disappointment, since as far as I understand the optical design is unchanged from the existing model. And we can be sure the new one will be significantly more expensive. Of course we have to wait and see if this is how it plays out.
I'm more annoyed the street price dropped some 20% since I bought the current version, but have no regrets as it is a good leans already.
Where did you read that it was the same optical formula? I'm not doubting you - I just hadn't read that and was curious.
if you compare the lens diagram that sigma posted for the new one, and the lens diagram they posted for the old one, it's the exact same diagram.