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Resurrection. This is a 10 y.o. thread. Funny though that budget EPs offered by Chinese/Taiwanese mfrs have not changed much. There is only so much that can be done with 5 lens elements unless exotic glass and aspherical surfaces are used (= too expensive).
30mm 7-element generic ultra-wides are not too bad. Coma and CA in the outer 1/3 of the FOV at f/6 or faster, but stick one in a long 2" barlow and you'll have a very nice abuse-tolerant public-friendly 13-15mm 80-degree EP. But these EPs have gone way up in price. Andrews used to sell them for $79, and now they're closer to $200. The 20mm version used to be the best bang for buck (identical to the 30mm but also had a bonus removable/reusable 2" barlow group on the end of it).
These days there are better options for similar money.
Last edited by janoskiss; 15-04-2016 at 09:13 PM.
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