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you probably won't get a widefield ep in that f/l for $120 - for a 60 degree fov you might consider a WO spl 12mm (i have the 6mm and it is pretty good for the price). William optics alo make a 15mm swan 72 degree fov but it probably won't go so good in short f/l scopes - i presume your dob is about f5 or f6. The WO ep's are both around the 120 level. Might be a good idea to check the second hand listing here
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