Here's my advice on what 82 degree eyepieces to get. The 6.7mm is superb. It is the best of the line optically. This is mostly due to its flat field and sharpness. The flattest of the line. Unanimously the worst eyepiece is the 14mm. It has alot of field curvature. When the inner 50% is in focus the outer 30% is slightly out of focus. So avoid the 14mm.
Id' give you more advice on what to buy but I don't know what telescope you will use it in. Id say get the 6.7mm and the 11mm, and if you can spring for the cash a 24mm or 30mm.
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